/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=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 10:38:25,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 10:38:25,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 10:38:25,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 10:38:25,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 10:38:25,622 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 10:38:25,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 10:38:25,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 10:38:25,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 10:38:25,639 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 10:38:25,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 10:38:25,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 10:38:25,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 10:38:25,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 10:38:25,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 10:38:25,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 10:38:25,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 10:38:25,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 10:38:25,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 10:38:25,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 10:38:25,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 10:38:25,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 10:38:25,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 10:38:25,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 10:38:25,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 10:38:25,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 10:38:25,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 10:38:25,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 10:38:25,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 10:38:25,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 10:38:25,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 10:38:25,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 10:38:25,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 10:38:25,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 10:38:25,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 10:38:25,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 10:38:25,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 10:38:25,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 10:38:25,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 10:38:25,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 10:38:25,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 10:38:25,703 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 [2020-10-27 10:38:25,735 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 10:38:25,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 10:38:25,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 10:38:25,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 10:38:25,738 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 10:38:25,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 10:38:25,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 10:38:25,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 10:38:25,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 10:38:25,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 10:38:25,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 10:38:25,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 10:38:25,739 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 10:38:25,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 10:38:25,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 10:38:25,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 10:38:25,740 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 10:38:25,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 10:38:25,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 10:38:25,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 10:38:25,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 10:38:25,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 10:38:25,741 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 10:38:25,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 10:38:25,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 10:38:25,742 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 10:38:25,742 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-27 10:38:25,742 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 10:38:26,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 10:38:26,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 10:38:26,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 10:38:26,150 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 10:38:26,151 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 10:38:26,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2020-10-27 10:38:26,241 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d210b7f56/75db36c0cbb44630bdf9971ae49de81f/FLAG41547af24 [2020-10-27 10:38:27,151 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 10:38:27,153 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2020-10-27 10:38:27,205 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d210b7f56/75db36c0cbb44630bdf9971ae49de81f/FLAG41547af24 [2020-10-27 10:38:27,670 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d210b7f56/75db36c0cbb44630bdf9971ae49de81f [2020-10-27 10:38:27,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 10:38:27,680 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 10:38:27,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 10:38:27,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 10:38:27,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 10:38:27,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:38:27" (1/1) ... [2020-10-27 10:38:27,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c50ff1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:27, skipping insertion in model container [2020-10-27 10:38:27,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:38:27" (1/1) ... [2020-10-27 10:38:27,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 10:38:27,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 10:38:28,265 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2715] [2020-10-27 10:38:28,266 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2716-2717] [2020-10-27 10:38:28,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 10:38:28,887 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 10:38:29,013 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2715] [2020-10-27 10:38:29,014 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2716-2717] [2020-10-27 10:38:29,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 10:38:29,245 INFO L208 MainTranslator]: Completed translation [2020-10-27 10:38:29,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:29 WrapperNode [2020-10-27 10:38:29,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 10:38:29,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 10:38:29,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 10:38:29,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 10:38:29,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:29" (1/1) ... [2020-10-27 10:38:29,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:29" (1/1) ... [2020-10-27 10:38:29,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:29" (1/1) ... [2020-10-27 10:38:29,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:29" (1/1) ... [2020-10-27 10:38:29,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:29" (1/1) ... [2020-10-27 10:38:29,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:29" (1/1) ... [2020-10-27 10:38:29,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:29" (1/1) ... [2020-10-27 10:38:29,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 10:38:29,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 10:38:29,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 10:38:29,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 10:38:29,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:29" (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 [2020-10-27 10:38:29,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 10:38:29,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 10:38:29,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2020-10-27 10:38:29,605 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 10:38:29,605 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 10:38:29,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 10:38:29,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-27 10:38:29,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-27 10:38:29,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-27 10:38:29,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-27 10:38:29,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-27 10:38:29,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-27 10:38:29,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-27 10:38:29,606 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2020-10-27 10:38:29,606 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-27 10:38:29,607 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-27 10:38:29,607 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2020-10-27 10:38:29,607 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2020-10-27 10:38:29,607 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2020-10-27 10:38:29,607 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2020-10-27 10:38:29,607 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_direction_input [2020-10-27 10:38:29,607 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_direction_output [2020-10-27 10:38:29,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __gpio_set_value [2020-10-27 10:38:29,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __gpio_to_irq [2020-10-27 10:38:29,608 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2020-10-27 10:38:29,608 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_irq [2020-10-27 10:38:29,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_21 [2020-10-27 10:38:29,608 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_platform_init [2020-10-27 10:38:29,608 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_enable [2020-10-27 10:38:29,609 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_disable [2020-10-27 10:38:29,609 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_add_len_crc [2020-10-27 10:38:29,609 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_remove_len_crc [2020-10-27 10:38:29,609 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_write [2020-10-27 10:38:29,609 INFO L138 BoogieDeclarations]: Found implementation of procedure get_frame_size [2020-10-27 10:38:29,609 INFO L138 BoogieDeclarations]: Found implementation of procedure check_crc [2020-10-27 10:38:29,609 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_repack [2020-10-27 10:38:29,610 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_read [2020-10-27 10:38:29,610 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_irq_thread_fn [2020-10-27 10:38:29,610 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_of_request_resources [2020-10-27 10:38:29,610 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_request_resources [2020-10-27 10:38:29,610 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_probe [2020-10-27 10:38:29,610 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_remove [2020-10-27 10:38:29,610 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_driver_init [2020-10-27 10:38:29,610 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_driver_exit [2020-10-27 10:38:29,611 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_2 [2020-10-27 10:38:29,611 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2020-10-27 10:38:29,611 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2020-10-27 10:38:29,611 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-10-27 10:38:29,611 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-10-27 10:38:29,611 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-10-27 10:38:29,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-10-27 10:38:29,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2020-10-27 10:38:29,612 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-10-27 10:38:29,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_i2c_driver_3 [2020-10-27 10:38:29,612 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2020-10-27 10:38:29,612 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 10:38:29,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_19 [2020-10-27 10:38:29,613 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2020-10-27 10:38:29,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_23 [2020-10-27 10:38:29,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_25 [2020-10-27 10:38:29,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_27 [2020-10-27 10:38:29,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_28 [2020-10-27 10:38:29,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_29 [2020-10-27 10:38:29,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_30 [2020-10-27 10:38:29,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2020-10-27 10:38:29,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_32 [2020-10-27 10:38:29,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_33 [2020-10-27 10:38:29,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-27 10:38:29,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-27 10:38:29,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-27 10:38:29,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-27 10:38:29,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-27 10:38:29,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-27 10:38:29,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_skb [2020-10-27 10:38:29,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-27 10:38:29,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2020-10-27 10:38:29,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-27 10:38:29,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2020-10-27 10:38:29,616 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt [2020-10-27 10:38:29,616 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-27 10:38:29,616 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_gpio_request [2020-10-27 10:38:29,616 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2020-10-27 10:38:29,616 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2020-10-27 10:38:29,617 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_desc [2020-10-27 10:38:29,617 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_direction_input [2020-10-27 10:38:29,617 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_direction_output_raw [2020-10-27 10:38:29,617 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_to_irq [2020-10-27 10:38:29,617 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2020-10-27 10:38:29,617 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_recv [2020-10-27 10:38:29,617 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2020-10-27 10:38:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2020-10-27 10:38:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2020-10-27 10:38:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-10-27 10:38:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-27 10:38:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler1_1 [2020-10-27 10:38:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler1_2 [2020-10-27 10:38:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-27 10:38:29,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-27 10:38:29,619 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-27 10:38:29,619 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-27 10:38:29,619 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-27 10:38:29,619 INFO L138 BoogieDeclarations]: Found implementation of procedure nfc_hci_recv_frame [2020-10-27 10:38:29,619 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2020-10-27 10:38:29,619 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-27 10:38:29,620 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-10-27 10:38:29,620 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-10-27 10:38:29,620 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy [2020-10-27 10:38:29,620 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-27 10:38:29,620 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-27 10:38:29,620 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-27 10:38:29,620 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-27 10:38:29,621 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_probe [2020-10-27 10:38:29,621 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_remove [2020-10-27 10:38:29,621 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2020-10-27 10:38:29,621 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-27 10:38:29,621 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-27 10:38:29,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-27 10:38:29,622 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-27 10:38:29,622 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 10:38:29,622 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 10:38:29,622 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 10:38:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 10:38:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 10:38:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 10:38:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-27 10:38:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-27 10:38:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2020-10-27 10:38:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-27 10:38:29,624 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2020-10-27 10:38:29,624 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-27 10:38:29,624 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-27 10:38:29,624 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-27 10:38:29,624 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-27 10:38:29,624 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-10-27 10:38:29,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-27 10:38:29,625 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 10:38:29,625 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 10:38:29,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 10:38:29,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 10:38:29,625 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 10:38:29,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 10:38:29,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 10:38:29,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-27 10:38:29,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-27 10:38:29,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-27 10:38:29,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-27 10:38:29,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-27 10:38:29,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-27 10:38:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-27 10:38:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_2 [2020-10-27 10:38:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2020-10-27 10:38:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2020-10-27 10:38:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-10-27 10:38:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-10-27 10:38:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-10-27 10:38:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-10-27 10:38:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2020-10-27 10:38:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-10-27 10:38:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_i2c_driver_3 [2020-10-27 10:38:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2020-10-27 10:38:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt [2020-10-27 10:38:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2020-10-27 10:38:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2020-10-27 10:38:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-27 10:38:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 10:38:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-27 10:38:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 10:38:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-27 10:38:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2020-10-27 10:38:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_recv [2020-10-27 10:38:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2020-10-27 10:38:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2020-10-27 10:38:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2020-10-27 10:38:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2020-10-27 10:38:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2020-10-27 10:38:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2020-10-27 10:38:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2020-10-27 10:38:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_direction_input [2020-10-27 10:38:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_direction_output_raw [2020-10-27 10:38:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_to_irq [2020-10-27 10:38:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_desc [2020-10-27 10:38:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_direction_input [2020-10-27 10:38:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_direction_output [2020-10-27 10:38:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure __gpio_set_value [2020-10-27 10:38:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure __gpio_to_irq [2020-10-27 10:38:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2020-10-27 10:38:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_irq [2020-10-27 10:38:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure devm_gpio_request [2020-10-27 10:38:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2020-10-27 10:38:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_19 [2020-10-27 10:38:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_33 [2020-10-27 10:38:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-27 10:38:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2020-10-27 10:38:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2020-10-27 10:38:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_skb [2020-10-27 10:38:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_21 [2020-10-27 10:38:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2020-10-27 10:38:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-10-27 10:38:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_25 [2020-10-27 10:38:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy [2020-10-27 10:38:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_27 [2020-10-27 10:38:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-10-27 10:38:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_23 [2020-10-27 10:38:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2020-10-27 10:38:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_32 [2020-10-27 10:38:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-27 10:38:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-27 10:38:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-27 10:38:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-27 10:38:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2020-10-27 10:38:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_28 [2020-10-27 10:38:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_29 [2020-10-27 10:38:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_30 [2020-10-27 10:38:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_hci_recv_frame [2020-10-27 10:38:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_probe [2020-10-27 10:38:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_remove [2020-10-27 10:38:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_platform_init [2020-10-27 10:38:29,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 10:38:29,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 10:38:29,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 10:38:29,636 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_enable [2020-10-27 10:38:29,636 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_disable [2020-10-27 10:38:29,636 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_add_len_crc [2020-10-27 10:38:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_remove_len_crc [2020-10-27 10:38:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_write [2020-10-27 10:38:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure get_frame_size [2020-10-27 10:38:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure check_crc [2020-10-27 10:38:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_repack [2020-10-27 10:38:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-27 10:38:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_read [2020-10-27 10:38:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-27 10:38:29,638 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_irq_thread_fn [2020-10-27 10:38:29,638 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_of_request_resources [2020-10-27 10:38:29,638 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_request_resources [2020-10-27 10:38:29,638 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_probe [2020-10-27 10:38:29,638 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_remove [2020-10-27 10:38:29,638 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_driver_init [2020-10-27 10:38:29,638 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_driver_exit [2020-10-27 10:38:29,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler1_1 [2020-10-27 10:38:29,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-27 10:38:29,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-27 10:38:29,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler1_2 [2020-10-27 10:38:29,639 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 10:38:29,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-27 10:38:29,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-27 10:38:29,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-27 10:38:29,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-27 10:38:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-27 10:38:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-27 10:38:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-27 10:38:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 10:38:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-27 10:38:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 10:38:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 10:38:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-27 10:38:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 10:38:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 10:38:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-27 10:38:29,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-27 10:38:29,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-27 10:38:30,842 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-27 10:38:37,297 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 10:38:37,298 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 10:38:37,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:38:37 BoogieIcfgContainer [2020-10-27 10:38:37,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 10:38:37,306 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 10:38:37,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 10:38:37,310 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 10:38:37,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:38:27" (1/3) ... [2020-10-27 10:38:37,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e76c951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:38:37, skipping insertion in model container [2020-10-27 10:38:37,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:29" (2/3) ... [2020-10-27 10:38:37,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e76c951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:38:37, skipping insertion in model container [2020-10-27 10:38:37,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:38:37" (3/3) ... [2020-10-27 10:38:37,313 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2020-10-27 10:38:37,324 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 10:38:37,331 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 10:38:37,344 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 10:38:37,375 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 10:38:37,375 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 10:38:37,375 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 10:38:37,376 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 10:38:37,376 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 10:38:37,376 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 10:38:37,376 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 10:38:37,376 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 10:38:37,409 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states. [2020-10-27 10:38:37,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-27 10:38:37,430 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:38:37,431 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:38:37,431 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:38:37,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:38:37,439 INFO L82 PathProgramCache]: Analyzing trace with hash 735387801, now seen corresponding path program 1 times [2020-10-27 10:38:37,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:38:37,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1602841698] [2020-10-27 10:38:37,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:38:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:38:38,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:38:39,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:38:39,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:38:43,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:38:43,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-27 10:38:43,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 10:38:43,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5119 [2020-10-27 10:38:43,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:38:43,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 10:38:43,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:38:43,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 10:38:43,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 10:38:45,690 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 610 [2020-10-27 10:38:45,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:38:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:38:45,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:38:46,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:38:46,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:38:46,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:38:46,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 517 [2020-10-27 10:38:46,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:38:46,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:38:46,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:38:46,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 10:38:46,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:38:46,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:38:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:38:46,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:38:46,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:38:46,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:38:46,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:38:46,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:38:46,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:38:46,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:38:46,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:38:46,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:38:46,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:38:46,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:38:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:38:46,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:38:46,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:38:46,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:38:46,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:38:46,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:38:46,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:38:46,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:38:46,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:38:46,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:38:46,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:38:46,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:38:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:38:46,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:38:46,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:38:46,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:38:46,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:38:46,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:38:46,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:38:46,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:38:46,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:38:46,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:38:46,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:38:46,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 10:38:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:38:46,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:38:46,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:38:46,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:38:46,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:38:46,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:38:46,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:38:46,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:38:46,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:38:46,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:38:46,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:38:46,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 10:38:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:38:46,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:38:46,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:38:46,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:38:46,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:38:46,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:38:46,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:38:46,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:38:46,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:38:46,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:38:46,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:38:46,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 10:38:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:38:46,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:38:46,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:38:46,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 10:38:46,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:38:46,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:38:46,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:38:46,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:38:46,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:38:46,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 10:38:46,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:38:46,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 10:38:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:38:46,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:38:46,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:38:46,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:38:46,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:38:46,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:38:46,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:38:46,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:38:46,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:38:46,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:38:46,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:38:46,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 10:38:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:38:46,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:38:46,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:38:46,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:38:46,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:38:46,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:38:46,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:38:46,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:38:46,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 10:38:46,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:38:46,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:38:46,607 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-27 10:38:46,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1602841698] [2020-10-27 10:38:46,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 10:38:46,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 10:38:46,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154790621] [2020-10-27 10:38:46,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 10:38:46,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:38:46,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 10:38:46,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 10:38:46,638 INFO L87 Difference]: Start difference. First operand 790 states. Second operand 8 states. [2020-10-27 10:38:51,068 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 612 [2020-10-27 10:38:55,543 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 614 [2020-10-27 10:38:58,119 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 616 [2020-10-27 10:39:00,907 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 614 [2020-10-27 10:39:05,766 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 613 [2020-10-27 10:39:22,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:39:22,104 INFO L93 Difference]: Finished difference Result 2470 states and 3390 transitions. [2020-10-27 10:39:22,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 10:39:22,107 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2020-10-27 10:39:22,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:39:22,149 INFO L225 Difference]: With dead ends: 2470 [2020-10-27 10:39:22,150 INFO L226 Difference]: Without dead ends: 1694 [2020-10-27 10:39:22,160 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2020-10-27 10:39:22,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2020-10-27 10:39:22,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1346. [2020-10-27 10:39:22,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1346 states. [2020-10-27 10:39:22,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1346 states and 1722 transitions. [2020-10-27 10:39:22,850 INFO L78 Accepts]: Start accepts. Automaton has 1346 states and 1722 transitions. Word has length 88 [2020-10-27 10:39:22,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:39:22,851 INFO L481 AbstractCegarLoop]: Abstraction has 1346 states and 1722 transitions. [2020-10-27 10:39:22,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 10:39:22,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1722 transitions. [2020-10-27 10:39:22,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-27 10:39:22,865 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:39:22,865 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:39:22,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 10:39:22,866 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:39:22,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:39:22,867 INFO L82 PathProgramCache]: Analyzing trace with hash -913675193, now seen corresponding path program 1 times [2020-10-27 10:39:22,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:39:22,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1637285890] [2020-10-27 10:39:22,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:39:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:39:23,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:39:23,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:39:24,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:39:26,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:39:26,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:39:28,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:39:28,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-27 10:39:28,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 10:39:28,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5107 [2020-10-27 10:39:28,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:39:28,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 10:39:28,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:39:28,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-27 10:39:28,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:39:30,593 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 610 [2020-10-27 10:39:30,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:39:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:39:30,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:39:31,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:39:31,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:39:31,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:39:31,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 413 [2020-10-27 10:39:31,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:39:31,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:39:31,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:39:31,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 10:39:31,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:39:31,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:39:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:39:31,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:39:31,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:39:31,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:39:31,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:39:31,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:39:31,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:39:31,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:39:31,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:39:31,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:39:31,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:39:31,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:39:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:39:31,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:39:31,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:39:31,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:39:31,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:39:31,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 10:39:31,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:39:31,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:39:31,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:39:31,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:39:31,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:39:31,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:39:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:39:31,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:39:31,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:39:31,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:39:31,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:39:31,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:39:31,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:39:31,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:39:31,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:39:31,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:39:31,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:39:31,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 10:39:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:39:31,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:39:31,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:39:31,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:39:31,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:39:31,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:39:31,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:39:31,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:39:31,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:39:31,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:39:31,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:39:31,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 10:39:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:39:31,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:39:31,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:39:31,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:39:31,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:39:31,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:39:31,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:39:31,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:39:31,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:39:31,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:39:31,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:39:31,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 10:39:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:39:31,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:39:31,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:39:31,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 10:39:31,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:39:31,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:39:31,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:39:31,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:39:31,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:39:31,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 10:39:31,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:39:31,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 10:39:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:39:31,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:39:31,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:39:31,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:39:31,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:39:31,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:39:31,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:39:31,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:39:31,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:39:31,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:39:31,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:39:31,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 10:39:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:39:31,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:39:31,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:39:31,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:39:31,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:39:31,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:39:31,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:39:31,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:39:31,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 10:39:31,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:39:31,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:39:31,387 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-27 10:39:31,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1637285890] [2020-10-27 10:39:31,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 10:39:31,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 10:39:31,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349046325] [2020-10-27 10:39:31,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 10:39:31,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:39:31,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 10:39:31,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-27 10:39:31,391 INFO L87 Difference]: Start difference. First operand 1346 states and 1722 transitions. Second operand 10 states. [2020-10-27 10:39:35,852 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 613 [2020-10-27 10:39:40,864 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 617 [2020-10-27 10:39:43,488 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 621 [2020-10-27 10:39:47,309 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 617 [2020-10-27 10:40:01,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:40:01,118 INFO L93 Difference]: Finished difference Result 3079 states and 4060 transitions. [2020-10-27 10:40:01,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 10:40:01,127 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-10-27 10:40:01,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:40:01,139 INFO L225 Difference]: With dead ends: 3079 [2020-10-27 10:40:01,139 INFO L226 Difference]: Without dead ends: 1753 [2020-10-27 10:40:01,144 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2020-10-27 10:40:01,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1753 states. [2020-10-27 10:40:01,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1753 to 1418. [2020-10-27 10:40:01,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1418 states. [2020-10-27 10:40:01,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 1824 transitions. [2020-10-27 10:40:01,669 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 1824 transitions. Word has length 89 [2020-10-27 10:40:01,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:40:01,671 INFO L481 AbstractCegarLoop]: Abstraction has 1418 states and 1824 transitions. [2020-10-27 10:40:01,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 10:40:01,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1824 transitions. [2020-10-27 10:40:01,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-27 10:40:01,677 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:40:01,677 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:40:01,678 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 10:40:01,678 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:40:01,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:40:01,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1820198118, now seen corresponding path program 1 times [2020-10-27 10:40:01,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:40:01,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1850653505] [2020-10-27 10:40:01,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:40:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:40:01,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:40:02,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:40:04,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:40:04,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:40:06,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:40:06,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 10:40:06,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 10:40:06,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-27 10:40:06,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:40:06,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 10:40:06,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:40:06,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 10:40:06,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:40:09,242 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 610 [2020-10-27 10:40:09,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:40:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:40:09,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:40:09,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:40:09,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:40:09,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:40:09,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 383 [2020-10-27 10:40:09,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:40:09,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:40:09,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:40:09,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 10:40:09,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:40:09,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:40:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:40:09,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:40:09,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:40:09,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:40:09,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:40:09,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:40:09,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:40:09,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:40:09,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:40:09,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:40:09,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:40:09,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:40:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:40:09,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:40:09,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:40:09,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:40:09,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:40:09,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:40:09,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:40:09,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:40:09,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:40:09,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:40:09,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:40:09,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:40:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:40:09,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:40:09,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:40:09,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:40:09,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:40:09,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:40:09,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:40:09,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:40:09,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:40:09,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:40:09,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:40:09,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 10:40:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:40:09,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:40:09,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:40:09,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:40:09,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:40:09,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:40:09,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:40:09,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:40:09,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:40:09,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:40:09,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:40:09,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 10:40:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:40:09,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:40:09,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:40:09,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:40:09,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:40:09,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:40:09,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:40:09,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:40:09,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:40:09,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:40:09,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:40:09,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 10:40:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:40:09,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:40:09,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:40:09,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 10:40:09,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:40:09,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:40:09,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:40:09,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:40:09,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:40:09,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 10:40:09,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:40:09,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 10:40:09,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:40:09,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:40:09,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:40:09,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:40:09,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:40:09,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:40:09,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:40:09,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:40:09,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:40:09,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:40:09,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:40:09,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 10:40:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:40:09,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:40:09,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:40:09,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:40:09,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:40:09,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:40:09,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:40:09,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:40:09,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 10:40:09,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:40:09,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:40:09,951 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-27 10:40:09,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1850653505] [2020-10-27 10:40:09,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 10:40:09,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 10:40:09,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231145152] [2020-10-27 10:40:09,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 10:40:09,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:40:09,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 10:40:09,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 10:40:09,956 INFO L87 Difference]: Start difference. First operand 1418 states and 1824 transitions. Second operand 8 states. [2020-10-27 10:40:14,405 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 612 [2020-10-27 10:40:18,879 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 614 [2020-10-27 10:40:21,235 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 614 [2020-10-27 10:40:23,892 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 616 [2020-10-27 10:40:37,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:40:37,415 INFO L93 Difference]: Finished difference Result 2695 states and 3532 transitions. [2020-10-27 10:40:37,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 10:40:37,416 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 90 [2020-10-27 10:40:37,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:40:37,427 INFO L225 Difference]: With dead ends: 2695 [2020-10-27 10:40:37,427 INFO L226 Difference]: Without dead ends: 1773 [2020-10-27 10:40:37,431 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2020-10-27 10:40:37,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1773 states. [2020-10-27 10:40:37,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1773 to 1422. [2020-10-27 10:40:37,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1422 states. [2020-10-27 10:40:37,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1422 states and 1826 transitions. [2020-10-27 10:40:37,865 INFO L78 Accepts]: Start accepts. Automaton has 1422 states and 1826 transitions. Word has length 90 [2020-10-27 10:40:37,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:40:37,865 INFO L481 AbstractCegarLoop]: Abstraction has 1422 states and 1826 transitions. [2020-10-27 10:40:37,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 10:40:37,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1826 transitions. [2020-10-27 10:40:37,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-27 10:40:37,868 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:40:37,868 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:40:37,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 10:40:37,869 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:40:37,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:40:37,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1812105618, now seen corresponding path program 1 times [2020-10-27 10:40:37,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:40:37,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1376077943] [2020-10-27 10:40:37,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:40:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:40:38,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:40:38,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:40:40,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:40:42,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:40:42,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:40:42,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 10:40:42,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 10:40:42,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 10:40:42,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:40:42,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 10:40:42,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:40:42,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 10:40:42,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:40:45,525 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification that was a NOOP. DAG size: 610 [2020-10-27 10:40:45,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:40:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:40:45,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:40:45,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:40:45,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:40:45,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:40:45,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 361 [2020-10-27 10:40:45,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:40:45,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:40:45,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:40:45,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 10:40:45,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:40:45,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:40:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:40:46,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:40:46,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:40:46,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:40:46,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:40:46,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:40:46,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:40:46,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:40:46,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:40:46,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:40:46,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:40:46,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:40:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:40:46,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:40:46,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:40:46,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:40:46,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:40:46,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:40:46,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:40:46,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:40:46,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:40:46,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:40:46,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:40:46,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:40:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:40:46,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:40:46,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:40:46,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:40:46,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:40:46,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:40:46,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:40:46,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:40:46,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:40:46,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:40:46,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:40:46,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 10:40:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:40:46,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:40:46,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:40:46,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:40:46,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:40:46,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:40:46,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:40:46,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:40:46,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:40:46,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:40:46,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:40:46,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 10:40:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:40:46,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:40:46,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:40:46,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:40:46,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:40:46,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:40:46,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:40:46,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:40:46,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:40:46,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:40:46,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:40:46,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 10:40:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:40:46,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:40:46,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:40:46,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 10:40:46,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:40:46,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:40:46,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:40:46,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:40:46,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:40:46,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 10:40:46,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:40:46,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 10:40:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:40:46,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:40:46,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:40:46,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:40:46,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:40:46,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 10:40:46,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:40:46,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:40:46,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:40:46,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:40:46,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:40:46,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 10:40:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:40:46,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:40:46,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:40:46,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:40:46,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:40:46,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:40:46,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:40:46,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:40:46,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 10:40:46,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:40:46,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:40:46,148 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-27 10:40:46,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1376077943] [2020-10-27 10:40:46,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 10:40:46,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 10:40:46,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406859805] [2020-10-27 10:40:46,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 10:40:46,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:40:46,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 10:40:46,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 10:40:46,151 INFO L87 Difference]: Start difference. First operand 1422 states and 1826 transitions. Second operand 8 states. [2020-10-27 10:40:50,620 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 612 [2020-10-27 10:40:54,632 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 614 [2020-10-27 10:40:57,244 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 616 [2020-10-27 10:40:59,998 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 614 [2020-10-27 10:41:05,253 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 613 [2020-10-27 10:41:28,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:41:28,030 INFO L93 Difference]: Finished difference Result 4871 states and 6415 transitions. [2020-10-27 10:41:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 10:41:28,037 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 85 [2020-10-27 10:41:28,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:41:28,057 INFO L225 Difference]: With dead ends: 4871 [2020-10-27 10:41:28,057 INFO L226 Difference]: Without dead ends: 3469 [2020-10-27 10:41:28,063 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 14.4s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2020-10-27 10:41:28,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3469 states. [2020-10-27 10:41:28,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3469 to 2825. [2020-10-27 10:41:28,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2825 states. [2020-10-27 10:41:29,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2825 states to 2825 states and 3627 transitions. [2020-10-27 10:41:29,010 INFO L78 Accepts]: Start accepts. Automaton has 2825 states and 3627 transitions. Word has length 85 [2020-10-27 10:41:29,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:41:29,010 INFO L481 AbstractCegarLoop]: Abstraction has 2825 states and 3627 transitions. [2020-10-27 10:41:29,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 10:41:29,010 INFO L276 IsEmpty]: Start isEmpty. Operand 2825 states and 3627 transitions. [2020-10-27 10:41:29,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-27 10:41:29,015 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:41:29,015 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:41:29,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 10:41:29,015 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:41:29,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:41:29,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1907047512, now seen corresponding path program 1 times [2020-10-27 10:41:29,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:41:29,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1272927462] [2020-10-27 10:41:29,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:41:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:41:29,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:41:29,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:41:30,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:41:31,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:41:34,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:41:34,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-27 10:41:34,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 10:41:34,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 10:41:34,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:41:34,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 10:41:34,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:41:34,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-27 10:41:34,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:41:36,665 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 610 [2020-10-27 10:41:36,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:41:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:41:36,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:41:36,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:41:36,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:41:36,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:41:36,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-10-27 10:41:36,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:41:36,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:41:36,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:41:36,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 10:41:36,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:41:37,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:41:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:41:37,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:41:37,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:41:37,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:41:37,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:41:37,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:41:37,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:41:37,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:41:37,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:41:37,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:41:37,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:41:37,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:41:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:41:37,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:41:37,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:41:37,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:41:37,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:41:37,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:41:37,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:41:37,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:41:37,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:41:37,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:41:37,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:41:37,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:41:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:41:37,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:41:37,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:41:37,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:41:37,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:41:37,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:41:37,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:41:37,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:41:37,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:41:37,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:41:37,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:41:37,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 10:41:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:41:37,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:41:37,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:41:37,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:41:37,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:41:37,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:41:37,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:41:37,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:41:37,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:41:37,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:41:37,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:41:37,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 10:41:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:41:37,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:41:37,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:41:37,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:41:37,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:41:37,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:41:37,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:41:37,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:41:37,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:41:37,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:41:37,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:41:37,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 10:41:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:41:37,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:41:37,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:41:37,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 10:41:37,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:41:37,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 10:41:37,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:41:37,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:41:37,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:41:37,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 10:41:37,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:41:37,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 10:41:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:41:37,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:41:37,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:41:37,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:41:37,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:41:37,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 10:41:37,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:41:37,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:41:37,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:41:37,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:41:37,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:41:37,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 10:41:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:41:37,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:41:37,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:41:37,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:41:37,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:41:37,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:41:37,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:41:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:41:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 10:41:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:41:37,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:41:37,168 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-27 10:41:37,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1272927462] [2020-10-27 10:41:37,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 10:41:37,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 10:41:37,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180132001] [2020-10-27 10:41:37,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 10:41:37,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:41:37,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 10:41:37,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 10:41:37,170 INFO L87 Difference]: Start difference. First operand 2825 states and 3627 transitions. Second operand 8 states. [2020-10-27 10:41:41,586 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 612 [2020-10-27 10:41:46,038 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 614 [2020-10-27 10:41:48,688 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification that was a NOOP. DAG size: 614 [2020-10-27 10:41:51,355 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 616 [2020-10-27 10:42:01,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:42:01,336 INFO L93 Difference]: Finished difference Result 5274 states and 6900 transitions. [2020-10-27 10:42:01,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 10:42:01,337 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 91 [2020-10-27 10:42:01,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:42:01,356 INFO L225 Difference]: With dead ends: 5274 [2020-10-27 10:42:01,356 INFO L226 Difference]: Without dead ends: 3422 [2020-10-27 10:42:01,362 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2020-10-27 10:42:01,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3422 states. [2020-10-27 10:42:02,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3422 to 2797. [2020-10-27 10:42:02,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2797 states. [2020-10-27 10:42:02,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2797 states to 2797 states and 3579 transitions. [2020-10-27 10:42:02,167 INFO L78 Accepts]: Start accepts. Automaton has 2797 states and 3579 transitions. Word has length 91 [2020-10-27 10:42:02,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:42:02,167 INFO L481 AbstractCegarLoop]: Abstraction has 2797 states and 3579 transitions. [2020-10-27 10:42:02,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 10:42:02,167 INFO L276 IsEmpty]: Start isEmpty. Operand 2797 states and 3579 transitions. [2020-10-27 10:42:02,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-27 10:42:02,172 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:42:02,172 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:42:02,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 10:42:02,172 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:42:02,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:42:02,173 INFO L82 PathProgramCache]: Analyzing trace with hash -750423233, now seen corresponding path program 1 times [2020-10-27 10:42:02,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:42:02,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2135294393] [2020-10-27 10:42:02,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:42:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:42:02,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:42:02,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:42:03,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:42:03,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking...