/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.12-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 03:14:55,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 03:14:55,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 03:14:55,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 03:14:55,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 03:14:55,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 03:14:55,675 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 03:14:55,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 03:14:55,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 03:14:55,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 03:14:55,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 03:14:55,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 03:14:55,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 03:14:55,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 03:14:55,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 03:14:55,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 03:14:55,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 03:14:55,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 03:14:55,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 03:14:55,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 03:14:55,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 03:14:55,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 03:14:55,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 03:14:55,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 03:14:55,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 03:14:55,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 03:14:55,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 03:14:55,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 03:14:55,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 03:14:55,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 03:14:55,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 03:14:55,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 03:14:55,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 03:14:55,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 03:14:55,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 03:14:55,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 03:14:55,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 03:14:55,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 03:14:55,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 03:14:55,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 03:14:55,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 03:14:55,762 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 03:14:55,812 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 03:14:55,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 03:14:55,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 03:14:55,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 03:14:55,818 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 03:14:55,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 03:14:55,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 03:14:55,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 03:14:55,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 03:14:55,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 03:14:55,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 03:14:55,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 03:14:55,820 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 03:14:55,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 03:14:55,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 03:14:55,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 03:14:55,821 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 03:14:55,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 03:14:55,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 03:14:55,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 03:14:55,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 03:14:55,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 03:14:55,822 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 03:14:55,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 03:14:55,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 03:14:55,823 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 03:14:55,823 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 03:14:55,823 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 03:14:56,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 03:14:56,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 03:14:56,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 03:14:56,230 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 03:14:56,231 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 03:14:56,232 INFO L432 ainManager$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 03:14:56,314 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1bcc11f7c/945f4d909f2a470db264303ab5f46ded/FLAG67427c95f [2020-10-28 03:14:57,319 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 03:14:57,320 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 03:14:57,357 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1bcc11f7c/945f4d909f2a470db264303ab5f46ded/FLAG67427c95f [2020-10-28 03:14:57,741 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1bcc11f7c/945f4d909f2a470db264303ab5f46ded [2020-10-28 03:14:57,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 03:14:57,749 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 03:14:57,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 03:14:57,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 03:14:57,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 03:14:57,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:14:57" (1/1) ... [2020-10-28 03:14:57,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@683d26ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:14:57, skipping insertion in model container [2020-10-28 03:14:57,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:14:57" (1/1) ... [2020-10-28 03:14:57,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 03:14:57,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 03:14:59,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 03:14:59,495 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 03:15:00,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 03:15:00,309 INFO L208 MainTranslator]: Completed translation [2020-10-28 03:15:00,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:15:00 WrapperNode [2020-10-28 03:15:00,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 03:15:00,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 03:15:00,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 03:15:00,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 03:15:00,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:15:00" (1/1) ... [2020-10-28 03:15:00,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:15:00" (1/1) ... [2020-10-28 03:15:00,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:15:00" (1/1) ... [2020-10-28 03:15:00,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:15:00" (1/1) ... [2020-10-28 03:15:00,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:15:00" (1/1) ... [2020-10-28 03:15:00,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:15:00" (1/1) ... [2020-10-28 03:15:00,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:15:00" (1/1) ... [2020-10-28 03:15:00,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 03:15:00,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 03:15:00,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 03:15:00,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 03:15:00,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:15:00" (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 03:15:00,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 03:15:00,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 03:15:00,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-28 03:15:00,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 03:15:00,727 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 03:15:00,727 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-28 03:15:00,727 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-28 03:15:00,727 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2020-10-28 03:15:00,728 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2020-10-28 03:15:00,728 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2020-10-28 03:15:00,728 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2020-10-28 03:15:00,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-28 03:15:00,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 03:15:00,729 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 03:15:00,729 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 03:15:00,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 03:15:00,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 03:15:00,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 03:15:00,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 03:15:00,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 03:15:00,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 03:15:00,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 03:15:00,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 03:15:00,733 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2020-10-28 03:15:00,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2020-10-28 03:15:00,734 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2020-10-28 03:15:00,734 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2020-10-28 03:15:00,734 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2020-10-28 03:15:00,734 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2020-10-28 03:15:00,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2020-10-28 03:15:00,734 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2020-10-28 03:15:00,734 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wiphy_dev [2020-10-28 03:15:00,734 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_DEV [2020-10-28 03:15:00,735 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_rx_cb [2020-10-28 03:15:00,735 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_cb [2020-10-28 03:15:00,735 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_dummy_cb [2020-10-28 03:15:00,735 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_free_urbs [2020-10-28 03:15:00,735 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_stop [2020-10-28 03:15:00,735 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_init_urbs [2020-10-28 03:15:00,735 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_open [2020-10-28 03:15:00,736 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_lm87_chksum [2020-10-28 03:15:00,736 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_lm87 [2020-10-28 03:15:00,736 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_net2280 [2020-10-28 03:15:00,736 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_write [2020-10-28 03:15:00,736 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_read [2020-10-28 03:15:00,736 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_bulk_msg [2020-10-28 03:15:00,736 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_device_reset [2020-10-28 03:15:00,736 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_firmware_reset_3887 [2020-10-28 03:15:00,737 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_upload_firmware_3887 [2020-10-28 03:15:00,737 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_upload_firmware_net2280 [2020-10-28 03:15:00,737 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_find_type [2020-10-28 03:15:00,737 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_start_ops [2020-10-28 03:15:00,737 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_load_firmware_cb [2020-10-28 03:15:00,737 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_load_firmware [2020-10-28 03:15:00,737 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_probe [2020-10-28 03:15:00,738 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_disconnect [2020-10-28 03:15:00,738 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_pre_reset [2020-10-28 03:15:00,739 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_resume [2020-10-28 03:15:00,739 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_post_reset [2020-10-28 03:15:00,739 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_suspend [2020-10-28 03:15:00,739 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_driver_init [2020-10-28 03:15:00,739 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_driver_exit [2020-10-28 03:15:00,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-28 03:15:00,740 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 03:15:00,740 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-28 03:15:00,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2020-10-28 03:15:00,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_3 [2020-10-28 03:15:00,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_4 [2020-10-28 03:15:00,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_5 [2020-10-28 03:15:00,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_6 [2020-10-28 03:15:00,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_7 [2020-10-28 03:15:00,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_8 [2020-10-28 03:15:00,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_9 [2020-10-28 03:15:00,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2020-10-28 03:15:00,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_12 [2020-10-28 03:15:00,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_13 [2020-10-28 03:15:00,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_14 [2020-10-28 03:15:00,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_17 [2020-10-28 03:15:00,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_18 [2020-10-28 03:15:00,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_19 [2020-10-28 03:15:00,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_20 [2020-10-28 03:15:00,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_21 [2020-10-28 03:15:00,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_22 [2020-10-28 03:15:00,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_23 [2020-10-28 03:15:00,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_24 [2020-10-28 03:15:00,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_26 [2020-10-28 03:15:00,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_30 [2020-10-28 03:15:00,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_31 [2020-10-28 03:15:00,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-28 03:15:00,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-10-28 03:15:00,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-10-28 03:15:00,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-10-28 03:15:00,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2020-10-28 03:15:00,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-10-28 03:15:00,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-10-28 03:15:00,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-10-28 03:15:00,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-10-28 03:15:00,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2020-10-28 03:15:00,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-10-28 03:15:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-10-28 03:15:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-10-28 03:15:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-10-28 03:15:00,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-10-28 03:15:00,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-10-28 03:15:00,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 03:15:00,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-28 03:15:00,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-28 03:15:00,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2020-10-28 03:15:00,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-28 03:15:00,779 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-28 03:15:00,779 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2020-10-28 03:15:00,780 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-10-28 03:15:00,780 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-28 03:15:00,781 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2020-10-28 03:15:00,781 INFO L138 BoogieDeclarations]: Found implementation of procedure device_release_driver [2020-10-28 03:15:00,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_restart_hw [2020-10-28 03:15:00,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2020-10-28 03:15:00,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2020-10-28 03:15:00,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 03:15:00,782 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2020-10-28 03:15:00,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-28 03:15:00,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-28 03:15:00,782 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_common [2020-10-28 03:15:00,782 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_skb [2020-10-28 03:15:00,782 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_init_common [2020-10-28 03:15:00,782 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_parse_firmware [2020-10-28 03:15:00,783 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_read_eeprom [2020-10-28 03:15:00,783 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_register_common [2020-10-28 03:15:00,783 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_rx [2020-10-28 03:15:00,783 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_unregister_common [2020-10-28 03:15:00,783 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2020-10-28 03:15:00,783 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware_nowait [2020-10-28 03:15:00,784 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-28 03:15:00,785 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-28 03:15:00,788 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-28 03:15:00,788 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2020-10-28 03:15:00,788 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-28 03:15:00,788 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2020-10-28 03:15:00,788 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2020-10-28 03:15:00,789 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2020-10-28 03:15:00,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-28 03:15:00,791 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2020-10-28 03:15:00,791 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_interrupt_msg [2020-10-28 03:15:00,791 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2020-10-28 03:15:00,792 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_lock_device_for_reset [2020-10-28 03:15:00,793 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-28 03:15:00,793 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2020-10-28 03:15:00,793 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2020-10-28 03:15:00,793 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2020-10-28 03:15:00,793 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 03:15:00,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 03:15:00,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 03:15:00,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 03:15:00,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2020-10-28 03:15:00,794 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 03:15:00,794 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 03:15:00,794 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 03:15:00,795 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 03:15:00,795 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 03:15:00,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 03:15:00,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 03:15:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 03:15:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 03:15:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-28 03:15:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-28 03:15:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-28 03:15:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2020-10-28 03:15:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-28 03:15:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-28 03:15:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 03:15:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-28 03:15:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-28 03:15:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2020-10-28 03:15:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-28 03:15:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2020-10-28 03:15:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 03:15:00,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 03:15:00,802 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2020-10-28 03:15:00,802 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2020-10-28 03:15:00,802 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-28 03:15:00,802 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-28 03:15:00,802 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2020-10-28 03:15:00,802 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2020-10-28 03:15:00,802 INFO L130 BoogieDeclarations]: Found specification of procedure device_release_driver [2020-10-28 03:15:00,802 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-28 03:15:00,803 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-28 03:15:00,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_3 [2020-10-28 03:15:00,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_23 [2020-10-28 03:15:00,803 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-28 03:15:00,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_22 [2020-10-28 03:15:00,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_24 [2020-10-28 03:15:00,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_21 [2020-10-28 03:15:00,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_26 [2020-10-28 03:15:00,803 INFO L130 BoogieDeclarations]: Found specification of procedure usb_lock_device_for_reset [2020-10-28 03:15:00,804 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2020-10-28 03:15:00,804 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2020-10-28 03:15:00,804 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-28 03:15:00,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_30 [2020-10-28 03:15:00,804 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-28 03:15:00,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_31 [2020-10-28 03:15:00,804 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2020-10-28 03:15:00,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_5 [2020-10-28 03:15:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_4 [2020-10-28 03:15:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_9 [2020-10-28 03:15:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_13 [2020-10-28 03:15:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_14 [2020-10-28 03:15:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_7 [2020-10-28 03:15:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_8 [2020-10-28 03:15:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_12 [2020-10-28 03:15:00,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_19 [2020-10-28 03:15:00,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_20 [2020-10-28 03:15:00,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2020-10-28 03:15:00,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_6 [2020-10-28 03:15:00,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2020-10-28 03:15:00,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_17 [2020-10-28 03:15:00,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_18 [2020-10-28 03:15:00,806 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2020-10-28 03:15:00,806 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2020-10-28 03:15:00,807 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2020-10-28 03:15:00,807 INFO L130 BoogieDeclarations]: Found specification of procedure usb_interrupt_msg [2020-10-28 03:15:00,807 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2020-10-28 03:15:00,807 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-28 03:15:00,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 03:15:00,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2020-10-28 03:15:00,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-10-28 03:15:00,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-10-28 03:15:00,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-10-28 03:15:00,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2020-10-28 03:15:00,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-10-28 03:15:00,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-10-28 03:15:00,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-10-28 03:15:00,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-10-28 03:15:00,808 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 03:15:00,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 03:15:00,808 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 03:15:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 03:15:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 03:15:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 03:15:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 03:15:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 03:15:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 03:15:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 03:15:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 03:15:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 03:15:00,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 03:15:00,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 03:15:00,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 03:15:00,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 03:15:00,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 03:15:00,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-28 03:15:00,810 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware_nowait [2020-10-28 03:15:00,810 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2020-10-28 03:15:00,810 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2020-10-28 03:15:00,811 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2020-10-28 03:15:00,811 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2020-10-28 03:15:00,811 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2020-10-28 03:15:00,811 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2020-10-28 03:15:00,811 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2020-10-28 03:15:00,811 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2020-10-28 03:15:00,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 03:15:00,813 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2020-10-28 03:15:00,816 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-28 03:15:00,817 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-28 03:15:00,817 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-28 03:15:00,817 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-28 03:15:00,817 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2020-10-28 03:15:00,817 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2020-10-28 03:15:00,817 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2020-10-28 03:15:00,817 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2020-10-28 03:15:00,817 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2020-10-28 03:15:00,818 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-10-28 03:15:00,818 INFO L130 BoogieDeclarations]: Found specification of procedure set_wiphy_dev [2020-10-28 03:15:00,818 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_DEV [2020-10-28 03:15:00,821 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_restart_hw [2020-10-28 03:15:00,821 INFO L130 BoogieDeclarations]: Found specification of procedure p54_rx [2020-10-28 03:15:00,822 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_skb [2020-10-28 03:15:00,822 INFO L130 BoogieDeclarations]: Found specification of procedure p54_parse_firmware [2020-10-28 03:15:00,822 INFO L130 BoogieDeclarations]: Found specification of procedure p54_read_eeprom [2020-10-28 03:15:00,822 INFO L130 BoogieDeclarations]: Found specification of procedure p54_init_common [2020-10-28 03:15:00,822 INFO L130 BoogieDeclarations]: Found specification of procedure p54_register_common [2020-10-28 03:15:00,822 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_common [2020-10-28 03:15:00,822 INFO L130 BoogieDeclarations]: Found specification of procedure p54_unregister_common [2020-10-28 03:15:00,822 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_rx_cb [2020-10-28 03:15:00,822 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_cb [2020-10-28 03:15:00,823 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_dummy_cb [2020-10-28 03:15:00,823 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_free_urbs [2020-10-28 03:15:00,823 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_stop [2020-10-28 03:15:00,823 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_init_urbs [2020-10-28 03:15:00,824 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_open [2020-10-28 03:15:00,824 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_lm87_chksum [2020-10-28 03:15:00,824 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_lm87 [2020-10-28 03:15:00,824 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_net2280 [2020-10-28 03:15:00,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 03:15:00,824 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_write [2020-10-28 03:15:00,824 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_read [2020-10-28 03:15:00,824 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_bulk_msg [2020-10-28 03:15:00,824 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_device_reset [2020-10-28 03:15:00,825 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_firmware_reset_3887 [2020-10-28 03:15:00,825 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_upload_firmware_3887 [2020-10-28 03:15:00,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2020-10-28 03:15:00,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 03:15:00,825 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_upload_firmware_net2280 [2020-10-28 03:15:00,825 INFO L130 BoogieDeclarations]: Found specification of procedure p54_find_type [2020-10-28 03:15:00,825 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_start_ops [2020-10-28 03:15:00,825 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-28 03:15:00,825 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_load_firmware_cb [2020-10-28 03:15:00,825 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_load_firmware [2020-10-28 03:15:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_probe [2020-10-28 03:15:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_disconnect [2020-10-28 03:15:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_pre_reset [2020-10-28 03:15:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_resume [2020-10-28 03:15:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_post_reset [2020-10-28 03:15:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_suspend [2020-10-28 03:15:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_driver_init [2020-10-28 03:15:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_driver_exit [2020-10-28 03:15:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 03:15:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 03:15:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 03:15:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-28 03:15:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-10-28 03:15:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-10-28 03:15:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 03:15:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-10-28 03:15:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-10-28 03:15:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-10-28 03:15:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-10-28 03:15:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-28 03:15:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 03:15:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 03:15:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 03:15:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 03:15:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 03:15:00,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 03:15:00,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 03:15:00,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 03:15:00,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 03:15:01,976 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 03:15:25,183 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-28 03:15:26,028 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 03:15:26,028 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 03:15:26,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:15:26 BoogieIcfgContainer [2020-10-28 03:15:26,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 03:15:26,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 03:15:26,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 03:15:26,044 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 03:15:26,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 03:14:57" (1/3) ... [2020-10-28 03:15:26,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e670b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:15:26, skipping insertion in model container [2020-10-28 03:15:26,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:15:00" (2/3) ... [2020-10-28 03:15:26,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e670b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:15:26, skipping insertion in model container [2020-10-28 03:15:26,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:15:26" (3/3) ... [2020-10-28 03:15:26,049 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 03:15:26,064 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 03:15:26,072 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 03:15:26,087 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 03:15:26,139 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 03:15:26,139 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 03:15:26,139 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 03:15:26,139 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 03:15:26,140 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 03:15:26,140 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 03:15:26,140 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 03:15:26,140 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 03:15:26,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states. [2020-10-28 03:15:26,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-28 03:15:26,227 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:15:26,228 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 03:15:26,228 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:15:26,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:15:26,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1134538530, now seen corresponding path program 1 times [2020-10-28 03:15:26,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:15:26,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1420472306] [2020-10-28 03:15:26,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:15:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:27,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:27,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:29,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:32,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:32,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-28 03:15:32,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 03:15:32,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5317 [2020-10-28 03:15:32,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:32,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:15:32,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-28 03:15:32,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 03:15:32,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 03:15:33,402 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2020-10-28 03:15:33,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:15:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:33,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:33,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:33,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:15:33,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:33,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 386 [2020-10-28 03:15:33,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:33,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:15:33,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:33,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:15:33,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:33,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:15:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:34,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:34,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:34,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:15:34,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:34,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 03:15:34,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:34,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:15:34,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:34,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:15:34,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:34,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:15:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:34,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:34,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:34,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:15:34,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:34,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 03:15:34,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:34,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:15:34,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:34,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:15:34,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:34,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 03:15:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:34,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:34,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:34,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:34,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:15:34,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:15:34,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 03:15:34,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:34,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 03:15:34,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 03:15:34,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:15:34,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:34,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 03:15:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:34,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:34,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:34,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 03:15:34,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:34,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 03:15:34,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:34,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:15:34,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 03:15:34,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:15:34,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:34,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:15:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:34,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:34,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:34,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:15:34,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:34,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 03:15:34,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:34,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:15:34,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:34,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:15:34,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:34,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:15:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:34,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:34,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:34,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:15:34,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:34,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:15:34,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:34,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:15:34,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:34,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:15:34,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 03:15:34,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 03:15:34,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1420472306] [2020-10-28 03:15:34,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:15:34,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 03:15:34,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492048137] [2020-10-28 03:15:34,310 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 03:15:34,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:15:34,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 03:15:34,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-28 03:15:34,329 INFO L87 Difference]: Start difference. First operand 1240 states. Second operand 9 states. [2020-10-28 03:15:37,726 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2020-10-28 03:15:38,738 WARN L193 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2020-10-28 03:15:39,985 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification that was a NOOP. DAG size: 354 [2020-10-28 03:16:19,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:16:19,835 INFO L93 Difference]: Finished difference Result 3726 states and 5112 transitions. [2020-10-28 03:16:19,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 03:16:19,837 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 46 [2020-10-28 03:16:19,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:16:19,887 INFO L225 Difference]: With dead ends: 3726 [2020-10-28 03:16:19,888 INFO L226 Difference]: Without dead ends: 2643 [2020-10-28 03:16:19,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2020-10-28 03:16:19,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2643 states. [2020-10-28 03:16:20,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2643 to 2027. [2020-10-28 03:16:20,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2027 states. [2020-10-28 03:16:20,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 2027 states and 2665 transitions. [2020-10-28 03:16:20,523 INFO L78 Accepts]: Start accepts. Automaton has 2027 states and 2665 transitions. Word has length 46 [2020-10-28 03:16:20,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:16:20,524 INFO L481 AbstractCegarLoop]: Abstraction has 2027 states and 2665 transitions. [2020-10-28 03:16:20,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 03:16:20,524 INFO L276 IsEmpty]: Start isEmpty. Operand 2027 states and 2665 transitions. [2020-10-28 03:16:20,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-28 03:16:20,538 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:16:20,538 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 03:16:20,538 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 03:16:20,539 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:16:20,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:16:20,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1704340678, now seen corresponding path program 1 times [2020-10-28 03:16:20,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:16:20,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1626860250] [2020-10-28 03:16:20,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:16:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:20,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:23,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:25,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:25,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-28 03:16:25,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:16:25,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5226 [2020-10-28 03:16:25,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:25,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:16:25,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 03:16:25,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:16:25,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 03:16:26,942 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2020-10-28 03:16:26,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:16:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:26,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:27,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:27,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:16:27,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:27,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 522 [2020-10-28 03:16:27,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:27,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:27,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:27,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:27,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:27,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:16:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:27,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:27,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:27,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:16:27,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:27,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 03:16:27,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:27,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:27,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:27,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:27,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:27,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:16:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:27,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:27,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:27,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:16:27,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:27,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 03:16:27,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:27,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:27,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:27,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:27,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:27,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 03:16:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:27,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:27,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:27,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 03:16:27,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:27,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-28 03:16:27,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:27,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:16:27,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 03:16:27,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 03:16:27,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 03:16:27,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 03:16:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:27,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:27,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:27,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 03:16:27,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:27,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 03:16:27,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:27,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:27,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 03:16:27,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:27,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:27,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:16:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:27,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:27,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:27,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:16:27,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:27,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 03:16:27,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:27,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:27,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:27,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:27,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:27,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:16:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:27,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:27,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:27,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:16:27,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:27,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:16:27,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:27,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:27,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:27,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:27,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:27,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:16:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:27,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:27,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:27,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:16:27,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:27,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 03:16:27,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:27,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:27,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:27,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:27,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:28,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:16:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:28,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:28,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:28,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:16:28,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:28,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:16:28,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:28,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:28,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:28,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:28,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:28,044 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-28 03:16:28,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1626860250] [2020-10-28 03:16:28,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 03:16:28,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 03:16:28,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313098798] [2020-10-28 03:16:28,047 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 03:16:28,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:16:28,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 03:16:28,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-28 03:16:28,048 INFO L87 Difference]: Start difference. First operand 2027 states and 2665 transitions. Second operand 10 states. [2020-10-28 03:16:31,274 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2020-10-28 03:16:48,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:16:48,735 INFO L93 Difference]: Finished difference Result 4645 states and 6168 transitions. [2020-10-28 03:16:48,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 03:16:48,736 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 63 [2020-10-28 03:16:48,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:16:48,755 INFO L225 Difference]: With dead ends: 4645 [2020-10-28 03:16:48,756 INFO L226 Difference]: Without dead ends: 2644 [2020-10-28 03:16:48,765 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-28 03:16:48,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2644 states. [2020-10-28 03:16:49,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2644 to 2028. [2020-10-28 03:16:49,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2028 states. [2020-10-28 03:16:49,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2028 states to 2028 states and 2666 transitions. [2020-10-28 03:16:49,144 INFO L78 Accepts]: Start accepts. Automaton has 2028 states and 2666 transitions. Word has length 63 [2020-10-28 03:16:49,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:16:49,144 INFO L481 AbstractCegarLoop]: Abstraction has 2028 states and 2666 transitions. [2020-10-28 03:16:49,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 03:16:49,144 INFO L276 IsEmpty]: Start isEmpty. Operand 2028 states and 2666 transitions. [2020-10-28 03:16:49,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-28 03:16:49,147 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:16:49,147 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 03:16:49,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 03:16:49,148 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:16:49,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:16:49,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1188559709, now seen corresponding path program 2 times [2020-10-28 03:16:49,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:16:49,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1028412756] [2020-10-28 03:16:49,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:16:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:49,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:51,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:54,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:54,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-28 03:16:54,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:16:54,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-28 03:16:54,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:54,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 03:16:54,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 03:16:54,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:16:54,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:55,277 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2020-10-28 03:16:55,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:16:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:55,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:55,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:55,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:16:55,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:55,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-10-28 03:16:55,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:55,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:55,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:55,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:55,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:55,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:16:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:55,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:55,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:55,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:16:55,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:55,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:16:55,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:55,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:55,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:55,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:55,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:55,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:16:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:55,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:55,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:55,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:16:55,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:55,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:16:55,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:55,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:55,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:55,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:55,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:55,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 03:16:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:55,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:55,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:55,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 03:16:55,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:55,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-28 03:16:55,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:55,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 03:16:55,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 03:16:55,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 03:16:55,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:55,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 03:16:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:55,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:55,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:55,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 03:16:55,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:55,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 03:16:55,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:55,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:55,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 03:16:55,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:55,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:55,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:16:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:55,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:55,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:55,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:16:55,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:55,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 03:16:55,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:55,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:55,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:55,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:55,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:56,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:16:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:56,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:56,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:56,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:16:56,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:56,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:16:56,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:56,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:56,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:56,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:56,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:56,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:16:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:56,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:56,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:56,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:16:56,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:56,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 03:16:56,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:56,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:56,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:56,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:56,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:56,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:16:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:56,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:56,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:56,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:16:56,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:56,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:16:56,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:56,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:56,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:56,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:56,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:56,121 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-28 03:16:56,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1028412756] [2020-10-28 03:16:56,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 03:16:56,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 03:16:56,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619363748] [2020-10-28 03:16:56,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 03:16:56,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:16:56,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 03:16:56,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-28 03:16:56,125 INFO L87 Difference]: Start difference. First operand 2028 states and 2666 transitions. Second operand 11 states. [2020-10-28 03:16:59,454 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2020-10-28 03:17:17,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:17:17,452 INFO L93 Difference]: Finished difference Result 4646 states and 6169 transitions. [2020-10-28 03:17:17,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 03:17:17,452 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 64 [2020-10-28 03:17:17,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:17:17,470 INFO L225 Difference]: With dead ends: 4646 [2020-10-28 03:17:17,470 INFO L226 Difference]: Without dead ends: 2645 [2020-10-28 03:17:17,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2020-10-28 03:17:17,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2645 states. [2020-10-28 03:17:17,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2645 to 2029. [2020-10-28 03:17:17,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2029 states. [2020-10-28 03:17:17,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2029 states to 2029 states and 2667 transitions. [2020-10-28 03:17:17,850 INFO L78 Accepts]: Start accepts. Automaton has 2029 states and 2667 transitions. Word has length 64 [2020-10-28 03:17:17,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:17:17,850 INFO L481 AbstractCegarLoop]: Abstraction has 2029 states and 2667 transitions. [2020-10-28 03:17:17,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 03:17:17,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2029 states and 2667 transitions. [2020-10-28 03:17:17,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-28 03:17:17,852 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:17:17,853 INFO L422 BasicCegarLoop]: trace histogram [3, 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 03:17:17,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 03:17:17,853 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:17:17,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:17:17,854 INFO L82 PathProgramCache]: Analyzing trace with hash -674158490, now seen corresponding path program 3 times [2020-10-28 03:17:17,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:17:17,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1588353987] [2020-10-28 03:17:17,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:17:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:18,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:20,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:23,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:23,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-28 03:17:23,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:17:23,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5304 [2020-10-28 03:17:23,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:23,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 03:17:23,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 03:17:23,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 03:17:23,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 03:17:24,301 WARN L193 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2020-10-28 03:17:24,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:17:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:24,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:24,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:24,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:17:24,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:24,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 218 [2020-10-28 03:17:24,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:24,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:24,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:24,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:24,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:24,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:17:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:24,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:24,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:24,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:17:24,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:24,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:17:24,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:24,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:24,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:24,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:24,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:24,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:17:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:24,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:24,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:24,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:17:24,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:24,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:17:24,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:24,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:24,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:24,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:24,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:24,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 03:17:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:24,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:24,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:24,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 03:17:24,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:24,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-28 03:17:24,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:24,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 03:17:24,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 03:17:24,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 03:17:24,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:24,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 03:17:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:24,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:24,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:24,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 03:17:24,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:24,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 03:17:24,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:24,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:24,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 03:17:24,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:24,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:24,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:17:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:24,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:24,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:24,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:17:24,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:24,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 03:17:24,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:24,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:24,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:24,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:24,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:24,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:17:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:24,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:24,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:24,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:17:24,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:24,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 03:17:24,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:24,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:24,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:24,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:24,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:25,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:17:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:25,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:25,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:25,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:17:25,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:25,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 03:17:25,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:25,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:25,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:25,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:25,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:25,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:17:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:25,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:25,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:25,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:17:25,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:25,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:17:25,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:25,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:25,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:25,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:25,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:25,098 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-28 03:17:25,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1588353987] [2020-10-28 03:17:25,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 03:17:25,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 03:17:25,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751319256] [2020-10-28 03:17:25,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 03:17:25,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:17:25,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 03:17:25,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-10-28 03:17:25,103 INFO L87 Difference]: Start difference. First operand 2029 states and 2667 transitions. Second operand 12 states. [2020-10-28 03:17:28,409 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2020-10-28 03:17:46,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:17:46,951 INFO L93 Difference]: Finished difference Result 4647 states and 6170 transitions. [2020-10-28 03:17:46,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 03:17:46,952 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 65 [2020-10-28 03:17:46,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:17:46,969 INFO L225 Difference]: With dead ends: 4647 [2020-10-28 03:17:46,969 INFO L226 Difference]: Without dead ends: 2646 [2020-10-28 03:17:46,978 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2020-10-28 03:17:46,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2646 states. [2020-10-28 03:17:47,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2646 to 2030. [2020-10-28 03:17:47,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2030 states. [2020-10-28 03:17:47,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2030 states to 2030 states and 2668 transitions. [2020-10-28 03:17:47,436 INFO L78 Accepts]: Start accepts. Automaton has 2030 states and 2668 transitions. Word has length 65 [2020-10-28 03:17:47,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:17:47,436 INFO L481 AbstractCegarLoop]: Abstraction has 2030 states and 2668 transitions. [2020-10-28 03:17:47,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 03:17:47,436 INFO L276 IsEmpty]: Start isEmpty. Operand 2030 states and 2668 transitions. [2020-10-28 03:17:47,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-28 03:17:47,441 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:17:47,442 INFO L422 BasicCegarLoop]: trace histogram [4, 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 03:17:47,442 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 03:17:47,443 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:17:47,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:17:47,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1907589885, now seen corresponding path program 4 times [2020-10-28 03:17:47,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:17:47,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1232481959] [2020-10-28 03:17:47,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:17:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:47,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:50,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:50,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-28 03:17:50,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:50,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2682 [2020-10-28 03:17:50,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:50,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:17:50,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:17:50,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-28 03:17:50,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:51,238 WARN L193 SmtUtils]: Spent 866.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2020-10-28 03:17:51,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:17:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:51,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:51,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:51,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:17:51,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:51,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 438 [2020-10-28 03:17:51,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:51,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:17:51,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:51,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 03:17:51,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:52,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:17:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:52,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:52,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:52,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:17:52,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:52,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 03:17:52,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:52,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:17:52,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:52,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:17:52,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:52,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:17:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:52,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:52,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:52,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:17:52,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:52,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 03:17:52,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:52,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:17:52,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:52,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 03:17:52,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:52,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 03:17:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:52,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:52,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:52,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:17:52,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:52,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 03:17:52,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:52,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:17:52,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:52,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 03:17:52,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:52,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 03:17:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:52,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:52,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:52,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 03:17:52,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:52,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 03:17:52,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:52,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:17:52,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:52,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 03:17:52,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:52,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:17:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:52,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:52,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:52,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:17:52,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:52,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 03:17:52,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:52,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:52,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:52,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:52,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:52,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:17:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:52,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:52,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:52,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:17:52,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:52,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:17:52,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:52,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:52,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:52,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:52,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:52,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:17:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:52,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:52,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:52,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:17:52,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:52,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:17:52,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:52,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:52,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:52,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:52,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:52,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:17:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:52,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:52,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:52,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:17:52,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:52,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:17:52,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:52,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:52,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:52,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:52,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:52,345 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-28 03:17:52,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1232481959] [2020-10-28 03:17:52,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:17:52,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 03:17:52,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991729307] [2020-10-28 03:17:52,348 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 03:17:52,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:17:52,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 03:17:52,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-28 03:17:52,352 INFO L87 Difference]: Start difference. First operand 2030 states and 2668 transitions. Second operand 8 states. [2020-10-28 03:17:55,396 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2020-10-28 03:18:20,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:18:20,647 INFO L93 Difference]: Finished difference Result 7212 states and 9746 transitions. [2020-10-28 03:18:20,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 03:18:20,655 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 66 [2020-10-28 03:18:20,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:18:20,690 INFO L225 Difference]: With dead ends: 7212 [2020-10-28 03:18:20,690 INFO L226 Difference]: Without dead ends: 5214 [2020-10-28 03:18:20,699 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 03:18:20,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5214 states. [2020-10-28 03:18:21,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5214 to 4251. [2020-10-28 03:18:21,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4251 states. [2020-10-28 03:18:21,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4251 states to 4251 states and 5685 transitions. [2020-10-28 03:18:21,685 INFO L78 Accepts]: Start accepts. Automaton has 4251 states and 5685 transitions. Word has length 66 [2020-10-28 03:18:21,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:18:21,687 INFO L481 AbstractCegarLoop]: Abstraction has 4251 states and 5685 transitions. [2020-10-28 03:18:21,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 03:18:21,687 INFO L276 IsEmpty]: Start isEmpty. Operand 4251 states and 5685 transitions. [2020-10-28 03:18:21,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-28 03:18:21,690 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:18:21,690 INFO L422 BasicCegarLoop]: trace histogram [4, 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 03:18:21,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 03:18:21,690 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:18:21,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:18:21,691 INFO L82 PathProgramCache]: Analyzing trace with hash 336451183, now seen corresponding path program 1 times [2020-10-28 03:18:21,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:18:21,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1703475736] [2020-10-28 03:18:21,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:18:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:21,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:24,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:24,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-28 03:18:24,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:24,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2595 [2020-10-28 03:18:24,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:24,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:18:24,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:18:24,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-28 03:18:24,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:25,686 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 352 [2020-10-28 03:18:25,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:18:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:25,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:26,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:26,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:18:26,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:26,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 633 [2020-10-28 03:18:26,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:26,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:26,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:26,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 03:18:26,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:26,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:18:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:26,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:26,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:26,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:18:26,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:26,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 03:18:26,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:26,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:26,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:26,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:18:26,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:26,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:18:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:26,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:26,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:26,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:18:26,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:26,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:18:26,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:26,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:26,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:26,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 03:18:26,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:26,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 03:18:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:26,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:26,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:26,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:18:26,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:26,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 03:18:26,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:26,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:26,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:26,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 03:18:26,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:26,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 03:18:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:26,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:26,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:26,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 03:18:26,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:26,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-28 03:18:26,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:26,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:26,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:26,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 03:18:26,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:26,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:18:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:26,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:26,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:26,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:18:26,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:26,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 03:18:26,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:26,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:18:26,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:26,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:18:26,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:26,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:18:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:26,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:26,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:26,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:18:26,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:26,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:18:26,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:26,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:18:26,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:26,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:18:26,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:26,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:18:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:26,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:26,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:26,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:18:26,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:26,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 03:18:26,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:26,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:18:26,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:26,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:18:26,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:26,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:18:26,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:26,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:26,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:26,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:18:26,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:26,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 03:18:26,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:26,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:18:26,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:26,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:18:26,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:26,856 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-28 03:18:26,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1703475736] [2020-10-28 03:18:26,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:18:26,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 03:18:26,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535780193] [2020-10-28 03:18:26,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 03:18:26,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:18:26,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 03:18:26,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-28 03:18:26,859 INFO L87 Difference]: Start difference. First operand 4251 states and 5685 transitions. Second operand 8 states. [2020-10-28 03:18:29,994 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification that was a NOOP. DAG size: 355