/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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 [2020-10-29 18:40:24,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 18:40:24,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 18:40:24,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 18:40:24,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 18:40:24,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 18:40:24,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 18:40:24,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 18:40:24,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 18:40:24,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 18:40:24,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 18:40:24,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 18:40:24,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 18:40:24,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 18:40:24,207 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 18:40:24,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 18:40:24,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 18:40:24,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 18:40:24,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 18:40:24,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 18:40:24,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 18:40:24,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 18:40:24,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 18:40:24,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 18:40:24,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 18:40:24,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 18:40:24,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 18:40:24,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 18:40:24,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 18:40:24,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 18:40:24,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 18:40:24,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 18:40:24,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 18:40:24,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 18:40:24,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 18:40:24,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 18:40:24,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 18:40:24,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 18:40:24,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 18:40:24,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 18:40:24,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 18:40:24,277 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 [2020-10-29 18:40:24,304 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 18:40:24,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 18:40:24,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 18:40:24,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 18:40:24,306 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 18:40:24,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 18:40:24,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 18:40:24,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 18:40:24,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 18:40:24,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 18:40:24,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 18:40:24,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 18:40:24,308 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 18:40:24,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 18:40:24,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 18:40:24,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 18:40:24,308 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 18:40:24,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 18:40:24,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 18:40:24,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 18:40:24,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 18:40:24,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 18:40:24,310 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 18:40:24,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 18:40:24,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 18:40:24,310 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 18:40:24,310 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 18:40:24,311 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 18:40:24,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 18:40:24,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 18:40:24,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 18:40:24,751 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 18:40:24,752 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 18:40:24,753 INFO L432 ainManager$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 [2020-10-29 18:40:24,846 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0075d8568/907700c460804026bf82053fef6b9608/FLAG67d810b83 [2020-10-29 18:40:25,693 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 18:40:25,693 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 [2020-10-29 18:40:25,729 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0075d8568/907700c460804026bf82053fef6b9608/FLAG67d810b83 [2020-10-29 18:40:26,249 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0075d8568/907700c460804026bf82053fef6b9608 [2020-10-29 18:40:26,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 18:40:26,260 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 18:40:26,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 18:40:26,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 18:40:26,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 18:40:26,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:40:26" (1/1) ... [2020-10-29 18:40:26,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22fcbc92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:26, skipping insertion in model container [2020-10-29 18:40:26,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:40:26" (1/1) ... [2020-10-29 18:40:26,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 18:40:26,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 18:40:26,845 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2715] [2020-10-29 18:40:26,846 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] [2020-10-29 18:40:27,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 18:40:27,479 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 18:40:27,564 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2715] [2020-10-29 18:40:27,565 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] [2020-10-29 18:40:27,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 18:40:27,974 INFO L208 MainTranslator]: Completed translation [2020-10-29 18:40:27,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:27 WrapperNode [2020-10-29 18:40:27,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 18:40:27,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 18:40:27,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 18:40:27,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 18:40:27,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:27" (1/1) ... [2020-10-29 18:40:27,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:27" (1/1) ... [2020-10-29 18:40:28,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:27" (1/1) ... [2020-10-29 18:40:28,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:27" (1/1) ... [2020-10-29 18:40:28,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:27" (1/1) ... [2020-10-29 18:40:28,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:27" (1/1) ... [2020-10-29 18:40:28,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:27" (1/1) ... [2020-10-29 18:40:28,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 18:40:28,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 18:40:28,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 18:40:28,269 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 18:40:28,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:27" (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 [2020-10-29 18:40:28,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 18:40:28,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 18:40:28,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2020-10-29 18:40:28,345 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 18:40:28,345 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 18:40:28,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 18:40:28,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-29 18:40:28,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-29 18:40:28,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-29 18:40:28,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-29 18:40:28,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-29 18:40:28,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-29 18:40:28,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-29 18:40:28,349 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2020-10-29 18:40:28,350 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-29 18:40:28,350 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-29 18:40:28,350 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2020-10-29 18:40:28,351 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2020-10-29 18:40:28,351 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2020-10-29 18:40:28,351 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2020-10-29 18:40:28,351 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_direction_input [2020-10-29 18:40:28,351 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_direction_output [2020-10-29 18:40:28,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __gpio_set_value [2020-10-29 18:40:28,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __gpio_to_irq [2020-10-29 18:40:28,356 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2020-10-29 18:40:28,356 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_irq [2020-10-29 18:40:28,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_21 [2020-10-29 18:40:28,357 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_platform_init [2020-10-29 18:40:28,357 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_enable [2020-10-29 18:40:28,358 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_disable [2020-10-29 18:40:28,358 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_add_len_crc [2020-10-29 18:40:28,358 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_remove_len_crc [2020-10-29 18:40:28,358 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_write [2020-10-29 18:40:28,358 INFO L138 BoogieDeclarations]: Found implementation of procedure get_frame_size [2020-10-29 18:40:28,359 INFO L138 BoogieDeclarations]: Found implementation of procedure check_crc [2020-10-29 18:40:28,359 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_repack [2020-10-29 18:40:28,359 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_read [2020-10-29 18:40:28,359 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_irq_thread_fn [2020-10-29 18:40:28,359 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_of_request_resources [2020-10-29 18:40:28,359 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_request_resources [2020-10-29 18:40:28,360 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_probe [2020-10-29 18:40:28,360 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_remove [2020-10-29 18:40:28,360 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_driver_init [2020-10-29 18:40:28,360 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_driver_exit [2020-10-29 18:40:28,361 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_2 [2020-10-29 18:40:28,361 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2020-10-29 18:40:28,361 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2020-10-29 18:40:28,361 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-10-29 18:40:28,361 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-10-29 18:40:28,362 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-10-29 18:40:28,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-10-29 18:40:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2020-10-29 18:40:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-10-29 18:40:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_i2c_driver_3 [2020-10-29 18:40:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2020-10-29 18:40:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 18:40:28,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_19 [2020-10-29 18:40:28,364 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2020-10-29 18:40:28,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_23 [2020-10-29 18:40:28,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_25 [2020-10-29 18:40:28,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_27 [2020-10-29 18:40:28,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_28 [2020-10-29 18:40:28,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_29 [2020-10-29 18:40:28,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_30 [2020-10-29 18:40:28,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2020-10-29 18:40:28,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_32 [2020-10-29 18:40:28,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_33 [2020-10-29 18:40:28,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-29 18:40:28,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-29 18:40:28,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-29 18:40:28,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-29 18:40:28,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-29 18:40:28,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-29 18:40:28,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_skb [2020-10-29 18:40:28,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-29 18:40:28,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2020-10-29 18:40:28,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-29 18:40:28,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2020-10-29 18:40:28,370 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt [2020-10-29 18:40:28,371 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-29 18:40:28,371 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_gpio_request [2020-10-29 18:40:28,371 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2020-10-29 18:40:28,371 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2020-10-29 18:40:28,371 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_desc [2020-10-29 18:40:28,371 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_direction_input [2020-10-29 18:40:28,371 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_direction_output_raw [2020-10-29 18:40:28,372 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_to_irq [2020-10-29 18:40:28,372 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2020-10-29 18:40:28,372 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_recv [2020-10-29 18:40:28,372 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2020-10-29 18:40:28,372 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2020-10-29 18:40:28,372 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2020-10-29 18:40:28,372 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-10-29 18:40:28,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 18:40:28,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler1_1 [2020-10-29 18:40:28,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler1_2 [2020-10-29 18:40:28,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 18:40:28,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-29 18:40:28,373 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-29 18:40:28,373 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-29 18:40:28,373 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-29 18:40:28,374 INFO L138 BoogieDeclarations]: Found implementation of procedure nfc_hci_recv_frame [2020-10-29 18:40:28,374 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2020-10-29 18:40:28,374 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-29 18:40:28,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-10-29 18:40:28,375 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-10-29 18:40:28,375 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy [2020-10-29 18:40:28,375 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-29 18:40:28,375 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-29 18:40:28,376 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-29 18:40:28,376 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-29 18:40:28,376 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_probe [2020-10-29 18:40:28,377 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_remove [2020-10-29 18:40:28,378 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2020-10-29 18:40:28,378 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-29 18:40:28,378 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 18:40:28,379 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-29 18:40:28,379 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-29 18:40:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 18:40:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 18:40:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 18:40:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 18:40:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 18:40:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 18:40:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-29 18:40:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-29 18:40:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2020-10-29 18:40:28,381 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-29 18:40:28,381 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2020-10-29 18:40:28,382 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-29 18:40:28,385 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-29 18:40:28,386 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-29 18:40:28,386 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-29 18:40:28,386 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-10-29 18:40:28,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-29 18:40:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 18:40:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-29 18:40:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 18:40:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 18:40:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 18:40:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 18:40:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 18:40:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 18:40:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-29 18:40:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-29 18:40:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-29 18:40:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-29 18:40:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-29 18:40:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-29 18:40:28,397 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_2 [2020-10-29 18:40:28,397 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2020-10-29 18:40:28,397 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2020-10-29 18:40:28,397 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-10-29 18:40:28,397 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-10-29 18:40:28,397 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-10-29 18:40:28,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-10-29 18:40:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2020-10-29 18:40:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-10-29 18:40:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_i2c_driver_3 [2020-10-29 18:40:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2020-10-29 18:40:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt [2020-10-29 18:40:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2020-10-29 18:40:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2020-10-29 18:40:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-29 18:40:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 18:40:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-29 18:40:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 18:40:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-29 18:40:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2020-10-29 18:40:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_recv [2020-10-29 18:40:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2020-10-29 18:40:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2020-10-29 18:40:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2020-10-29 18:40:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2020-10-29 18:40:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2020-10-29 18:40:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2020-10-29 18:40:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2020-10-29 18:40:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_direction_input [2020-10-29 18:40:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_direction_output_raw [2020-10-29 18:40:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_to_irq [2020-10-29 18:40:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_desc [2020-10-29 18:40:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_direction_input [2020-10-29 18:40:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_direction_output [2020-10-29 18:40:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure __gpio_set_value [2020-10-29 18:40:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure __gpio_to_irq [2020-10-29 18:40:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2020-10-29 18:40:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_irq [2020-10-29 18:40:28,402 INFO L130 BoogieDeclarations]: Found specification of procedure devm_gpio_request [2020-10-29 18:40:28,402 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2020-10-29 18:40:28,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_19 [2020-10-29 18:40:28,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_33 [2020-10-29 18:40:28,402 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-29 18:40:28,402 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2020-10-29 18:40:28,402 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2020-10-29 18:40:28,402 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_skb [2020-10-29 18:40:28,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_21 [2020-10-29 18:40:28,403 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2020-10-29 18:40:28,403 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-10-29 18:40:28,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_25 [2020-10-29 18:40:28,403 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy [2020-10-29 18:40:28,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_27 [2020-10-29 18:40:28,403 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-10-29 18:40:28,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_23 [2020-10-29 18:40:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2020-10-29 18:40:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_32 [2020-10-29 18:40:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-29 18:40:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-29 18:40:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-29 18:40:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-29 18:40:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2020-10-29 18:40:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_28 [2020-10-29 18:40:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_29 [2020-10-29 18:40:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_30 [2020-10-29 18:40:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_hci_recv_frame [2020-10-29 18:40:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_probe [2020-10-29 18:40:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_remove [2020-10-29 18:40:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_platform_init [2020-10-29 18:40:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 18:40:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 18:40:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 18:40:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_enable [2020-10-29 18:40:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_disable [2020-10-29 18:40:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_add_len_crc [2020-10-29 18:40:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_remove_len_crc [2020-10-29 18:40:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_write [2020-10-29 18:40:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure get_frame_size [2020-10-29 18:40:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure check_crc [2020-10-29 18:40:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_repack [2020-10-29 18:40:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-29 18:40:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_read [2020-10-29 18:40:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-29 18:40:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_irq_thread_fn [2020-10-29 18:40:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_of_request_resources [2020-10-29 18:40:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_request_resources [2020-10-29 18:40:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_probe [2020-10-29 18:40:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_remove [2020-10-29 18:40:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_driver_init [2020-10-29 18:40:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_driver_exit [2020-10-29 18:40:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler1_1 [2020-10-29 18:40:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 18:40:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 18:40:28,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler1_2 [2020-10-29 18:40:28,409 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 18:40:28,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-29 18:40:28,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-29 18:40:28,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-29 18:40:28,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-29 18:40:28,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-29 18:40:28,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-29 18:40:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-29 18:40:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 18:40:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 18:40:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 18:40:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 18:40:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-29 18:40:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 18:40:28,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 18:40:28,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-29 18:40:28,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-29 18:40:28,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-29 18:40:29,676 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-29 18:40:36,164 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 18:40:36,164 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 18:40:36,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:40:36 BoogieIcfgContainer [2020-10-29 18:40:36,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 18:40:36,172 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 18:40:36,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 18:40:36,176 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 18:40:36,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:40:26" (1/3) ... [2020-10-29 18:40:36,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6ceeac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:40:36, skipping insertion in model container [2020-10-29 18:40:36,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:27" (2/3) ... [2020-10-29 18:40:36,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6ceeac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:40:36, skipping insertion in model container [2020-10-29 18:40:36,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:40:36" (3/3) ... [2020-10-29 18:40:36,184 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 [2020-10-29 18:40:36,196 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 18:40:36,202 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 18:40:36,218 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 18:40:36,262 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 18:40:36,263 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 18:40:36,263 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 18:40:36,263 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 18:40:36,263 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 18:40:36,263 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 18:40:36,263 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 18:40:36,263 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 18:40:36,317 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states. [2020-10-29 18:40:36,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-29 18:40:36,338 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:40:36,339 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] [2020-10-29 18:40:36,339 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:40:36,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:40:36,345 INFO L82 PathProgramCache]: Analyzing trace with hash 735387801, now seen corresponding path program 1 times [2020-10-29 18:40:36,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:40:36,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1850041061] [2020-10-29 18:40:36,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:40:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:40:37,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:40:38,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:40:38,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:40:42,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:40:42,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-29 18:40:42,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 18:40:42,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5228 [2020-10-29 18:40:42,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:40:42,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:40:42,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 18:40:42,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:40:42,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 18:40:42,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 18:40:44,978 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification that was a NOOP. DAG size: 610 [2020-10-29 18:40:44,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:40:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:40:45,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:40:45,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:40:45,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:40:45,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:40:45,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 561 [2020-10-29 18:40:45,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:40:45,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:40:45,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:40:45,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:40:45,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 18:40:45,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:40:45,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:40:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:40:45,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:40:45,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:40:45,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:40:45,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:40:45,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 18:40:45,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:40:45,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:40:45,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:40:45,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:40:45,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:40:45,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:40:45,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 18:40:45,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:40:45,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:40:45,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:40:45,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:40:45,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:40:45,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 18:40:45,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:40:45,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:40:45,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:40:45,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:40:45,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:40:45,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 18:40:45,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 18:40:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:40:45,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:40:45,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:40:45,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:40:45,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:40:45,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 18:40:45,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:40:45,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:40:45,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:40:45,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:40:45,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:40:45,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:40:45,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 18:40:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:40:45,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:40:45,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:40:45,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:40:45,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:40:45,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 18:40:45,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:40:45,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:40:45,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:40:45,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:40:45,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:40:45,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:40:45,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 18:40:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:40:45,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:40:45,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:40:45,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:40:45,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:40:45,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 18:40:45,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:40:45,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:40:45,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:40:45,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:40:45,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:40:45,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:40:45,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 18:40:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:40:45,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:40:45,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:40:45,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 18:40:45,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:40:45,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:40:45,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:40:45,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:40:45,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:40:45,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:40:45,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 18:40:45,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:40:45,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 18:40:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:40:45,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:40:45,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:40:45,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:40:45,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:40:45,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:40:45,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:40:45,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:40:45,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:40:45,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:40:45,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:40:45,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:40:45,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 18:40:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:40:45,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:40:45,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:40:45,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:40:45,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:40:45,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 18:40:45,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:40:45,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:40:45,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:40:45,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 18:40:45,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:40:45,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:40:46,040 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-29 18:40:46,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1850041061] [2020-10-29 18:40:46,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 18:40:46,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 18:40:46,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914430909] [2020-10-29 18:40:46,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 18:40:46,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 18:40:46,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 18:40:46,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-29 18:40:46,066 INFO L87 Difference]: Start difference. First operand 790 states. Second operand 8 states. [2020-10-29 18:40:50,663 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification that was a NOOP. DAG size: 612 [2020-10-29 18:40:55,506 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification that was a NOOP. DAG size: 614 [2020-10-29 18:40:58,299 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification that was a NOOP. DAG size: 616 [2020-10-29 18:41:01,351 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification that was a NOOP. DAG size: 614 [2020-10-29 18:41:06,531 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification that was a NOOP. DAG size: 613 [2020-10-29 18:41:23,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 18:41:23,970 INFO L93 Difference]: Finished difference Result 2470 states and 3390 transitions. [2020-10-29 18:41:23,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 18:41:23,980 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2020-10-29 18:41:23,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 18:41:24,032 INFO L225 Difference]: With dead ends: 2470 [2020-10-29 18:41:24,033 INFO L226 Difference]: Without dead ends: 1694 [2020-10-29 18:41:24,047 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 15.3s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2020-10-29 18:41:24,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2020-10-29 18:41:24,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1346. [2020-10-29 18:41:24,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1346 states. [2020-10-29 18:41:24,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1346 states and 1722 transitions. [2020-10-29 18:41:24,630 INFO L78 Accepts]: Start accepts. Automaton has 1346 states and 1722 transitions. Word has length 88 [2020-10-29 18:41:24,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 18:41:24,631 INFO L481 AbstractCegarLoop]: Abstraction has 1346 states and 1722 transitions. [2020-10-29 18:41:24,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 18:41:24,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1722 transitions. [2020-10-29 18:41:24,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-29 18:41:24,639 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:41:24,640 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] [2020-10-29 18:41:24,640 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 18:41:24,640 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:41:24,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:41:24,641 INFO L82 PathProgramCache]: Analyzing trace with hash -913675193, now seen corresponding path program 1 times [2020-10-29 18:41:24,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:41:24,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2058872048] [2020-10-29 18:41:24,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:41:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:41:24,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:41:25,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:41:26,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:41:28,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:41:29,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:41:29,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:41:29,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-29 18:41:29,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 18:41:29,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5100 [2020-10-29 18:41:29,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:41:29,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:41:29,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 18:41:29,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:41:29,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 18:41:29,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:41:32,429 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification that was a NOOP. DAG size: 610 [2020-10-29 18:41:32,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:41:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:41:32,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:41:32,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:41:32,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:41:32,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:41:32,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 430 [2020-10-29 18:41:32,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:41:32,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:41:32,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:41:32,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:41:32,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 18:41:32,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:41:33,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:41:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:41:33,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:41:33,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:41:33,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:41:33,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:41:33,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 18:41:33,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:41:33,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:41:33,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:41:33,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:41:33,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:41:33,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:41:33,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 18:41:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:41:33,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:41:33,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:41:33,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:41:33,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:41:33,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 18:41:33,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:41:33,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:41:33,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:41:33,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:41:33,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:41:33,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:41:33,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 18:41:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:41:33,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:41:33,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:41:33,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:41:33,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:41:33,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 18:41:33,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:41:33,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:41:33,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:41:33,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:41:33,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:41:33,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:41:33,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 18:41:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:41:33,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:41:33,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:41:33,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:41:33,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:41:33,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 18:41:33,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:41:33,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:41:33,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:41:33,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:41:33,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:41:33,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:41:33,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 18:41:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:41:33,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:41:33,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:41:33,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:41:33,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:41:33,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:41:33,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:41:33,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:41:33,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:41:33,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:41:33,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:41:33,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:41:33,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 18:41:33,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:41:33,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:41:33,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:41:33,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 18:41:33,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:41:33,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 18:41:33,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:41:33,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:41:33,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:41:33,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:41:33,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 18:41:33,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:41:33,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 18:41:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:41:33,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:41:33,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:41:33,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:41:33,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:41:33,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:41:33,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:41:33,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:41:33,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:41:33,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:41:33,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:41:33,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:41:33,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 18:41:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:41:33,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:41:33,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:41:33,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:41:33,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:41:33,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 18:41:33,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:41:33,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:41:33,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:41:33,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 18:41:33,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:41:33,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:41:33,212 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-29 18:41:33,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2058872048] [2020-10-29 18:41:33,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 18:41:33,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 18:41:33,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130117428] [2020-10-29 18:41:33,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 18:41:33,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 18:41:33,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 18:41:33,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-29 18:41:33,216 INFO L87 Difference]: Start difference. First operand 1346 states and 1722 transitions. Second operand 8 states. [2020-10-29 18:41:37,862 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification that was a NOOP. DAG size: 612 [2020-10-29 18:41:42,703 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification that was a NOOP. DAG size: 614 [2020-10-29 18:41:45,419 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification that was a NOOP. DAG size: 616 [2020-10-29 18:41:47,971 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 614 [2020-10-29 18:42:02,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 18:42:02,675 INFO L93 Difference]: Finished difference Result 2572 states and 3370 transitions. [2020-10-29 18:42:02,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 18:42:02,676 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2020-10-29 18:42:02,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 18:42:02,688 INFO L225 Difference]: With dead ends: 2572 [2020-10-29 18:42:02,688 INFO L226 Difference]: Without dead ends: 1687 [2020-10-29 18:42:02,692 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2020-10-29 18:42:02,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2020-10-29 18:42:03,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1350. [2020-10-29 18:42:03,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1350 states. [2020-10-29 18:42:03,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 1724 transitions. [2020-10-29 18:42:03,109 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 1724 transitions. Word has length 89 [2020-10-29 18:42:03,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 18:42:03,110 INFO L481 AbstractCegarLoop]: Abstraction has 1350 states and 1724 transitions. [2020-10-29 18:42:03,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 18:42:03,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1724 transitions. [2020-10-29 18:42:03,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-29 18:42:03,114 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:42:03,114 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] [2020-10-29 18:42:03,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 18:42:03,115 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:42:03,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:42:03,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1789473364, now seen corresponding path program 1 times [2020-10-29 18:42:03,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:42:03,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1305546108] [2020-10-29 18:42:03,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:42:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:42:03,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:42:04,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:42:04,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:42:06,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:42:07,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:42:08,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:42:08,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-29 18:42:08,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 18:42:08,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5363 [2020-10-29 18:42:08,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:42:08,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:42:08,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 18:42:08,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:42:08,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-29 18:42:08,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:42:11,214 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification that was a NOOP. DAG size: 610 [2020-10-29 18:42:11,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:42:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:42:11,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:42:11,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:42:11,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:42:11,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:42:11,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 472 [2020-10-29 18:42:11,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:42:11,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:42:11,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:42:11,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:42:11,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 18:42:11,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:42:11,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:42:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:42:11,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:42:11,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:42:11,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:42:11,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:42:11,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 18:42:11,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:42:11,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:42:11,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:42:11,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:42:11,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:42:11,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:42:11,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 18:42:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:42:11,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:42:11,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:42:11,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:42:11,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:42:11,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 18:42:11,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:42:11,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:42:11,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:42:11,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:42:11,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:42:11,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 18:42:11,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 18:42:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:42:11,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:42:11,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:42:11,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:42:11,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:42:11,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 18:42:11,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:42:11,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:42:11,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:42:11,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:42:11,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:42:11,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:42:11,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 18:42:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:42:11,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:42:11,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:42:11,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:42:11,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:42:11,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 18:42:11,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:42:11,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:42:11,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:42:11,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:42:11,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:42:11,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:42:11,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 18:42:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:42:11,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:42:11,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:42:11,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:42:11,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:42:11,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:42:11,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:42:11,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:42:11,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:42:11,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:42:11,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:42:11,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:42:11,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 18:42:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:42:11,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:42:11,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:42:11,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 18:42:11,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:42:11,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:42:11,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:42:11,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:42:11,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:42:11,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:42:11,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 18:42:11,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:42:11,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 18:42:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:42:11,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:42:11,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:42:11,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:42:11,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:42:11,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:42:11,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:42:11,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:42:11,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:42:11,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:42:11,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:42:11,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:42:11,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-29 18:42:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:42:11,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:42:11,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:42:11,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:42:11,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:42:11,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 18:42:11,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:42:11,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:42:11,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:42:11,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 18:42:11,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:42:11,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:42:12,031 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-29 18:42:12,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1305546108] [2020-10-29 18:42:12,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 18:42:12,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 18:42:12,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237563656] [2020-10-29 18:42:12,034 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 18:42:12,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 18:42:12,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 18:42:12,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-29 18:42:12,035 INFO L87 Difference]: Start difference. First operand 1350 states and 1724 transitions. Second operand 8 states. [2020-10-29 18:42:16,699 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification that was a NOOP. DAG size: 612 [2020-10-29 18:42:20,812 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification that was a NOOP. DAG size: 614 [2020-10-29 18:42:23,621 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 617 [2020-10-29 18:42:26,632 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification that was a NOOP. DAG size: 615 [2020-10-29 18:42:32,048 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification that was a NOOP. DAG size: 614 [2020-10-29 18:42:56,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 18:42:56,479 INFO L93 Difference]: Finished difference Result 4639 states and 6101 transitions. [2020-10-29 18:42:56,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 18:42:56,480 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 85 [2020-10-29 18:42:56,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 18:42:56,500 INFO L225 Difference]: With dead ends: 4639 [2020-10-29 18:42:56,501 INFO L226 Difference]: Without dead ends: 3309 [2020-10-29 18:42:56,506 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 15.2s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2020-10-29 18:42:56,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3309 states. [2020-10-29 18:42:57,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3309 to 2681. [2020-10-29 18:42:57,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2681 states. [2020-10-29 18:42:57,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2681 states to 2681 states and 3423 transitions. [2020-10-29 18:42:57,438 INFO L78 Accepts]: Start accepts. Automaton has 2681 states and 3423 transitions. Word has length 85 [2020-10-29 18:42:57,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 18:42:57,441 INFO L481 AbstractCegarLoop]: Abstraction has 2681 states and 3423 transitions. [2020-10-29 18:42:57,442 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 18:42:57,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2681 states and 3423 transitions. [2020-10-29 18:42:57,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-29 18:42:57,447 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:42:57,448 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] [2020-10-29 18:42:57,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 18:42:57,448 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:42:57,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:42:57,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1842830372, now seen corresponding path program 1 times [2020-10-29 18:42:57,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:42:57,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1782187756] [2020-10-29 18:42:57,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:42:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:42:57,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:42:58,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:42:58,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:42:59,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:43:01,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:43:02,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:43:02,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 18:43:02,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 18:43:02,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5249 [2020-10-29 18:43:02,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:43:02,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:43:02,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 18:43:02,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:43:02,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 18:43:02,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:43:05,462 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification that was a NOOP. DAG size: 610 [2020-10-29 18:43:05,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:43:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:43:05,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:43:05,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:43:05,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:43:05,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:43:05,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 383 [2020-10-29 18:43:05,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:43:05,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:43:05,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:43:05,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:43:05,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 18:43:05,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:43:05,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:43:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:43:05,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:43:05,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:43:05,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:43:05,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:43:05,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 18:43:05,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:43:05,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:43:05,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:43:05,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:43:05,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:43:05,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:43:05,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 18:43:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:43:05,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:43:05,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:43:05,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:43:05,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:43:05,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 18:43:05,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:43:05,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:43:05,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:43:05,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:43:05,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:43:05,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:43:05,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 18:43:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:43:06,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:43:06,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:43:06,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:43:06,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:43:06,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:43:06,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:43:06,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:43:06,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:43:06,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:43:06,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:43:06,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:43:06,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 18:43:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:43:06,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:43:06,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:43:06,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:43:06,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:43:06,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:43:06,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:43:06,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:43:06,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:43:06,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:43:06,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:43:06,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 16 [2020-10-29 18:43:06,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 18:43:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:43:06,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:43:06,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:43:06,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:43:06,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:43:06,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 18:43:06,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:43:06,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:43:06,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:43:06,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:43:06,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:43:06,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:43:06,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 18:43:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:43:06,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:43:06,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:43:06,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 18:43:06,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:43:06,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 18:43:06,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:43:06,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:43:06,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:43:06,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:43:06,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 18:43:06,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:43:06,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-29 18:43:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:43:06,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:43:06,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:43:06,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:43:06,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:43:06,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 18:43:06,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:43:06,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:43:06,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:43:06,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:43:06,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:43:06,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:43:06,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-29 18:43:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:43:06,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:43:06,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:43:06,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:43:06,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:43:06,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 18:43:06,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:43:06,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:43:06,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:43:06,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 18:43:06,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:43:06,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:43:06,159 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-29 18:43:06,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1782187756] [2020-10-29 18:43:06,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 18:43:06,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 18:43:06,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263886305] [2020-10-29 18:43:06,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 18:43:06,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 18:43:06,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 18:43:06,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-29 18:43:06,167 INFO L87 Difference]: Start difference. First operand 2681 states and 3423 transitions. Second operand 8 states. [2020-10-29 18:43:10,887 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification that was a NOOP. DAG size: 612 [2020-10-29 18:43:16,011 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification that was a NOOP. DAG size: 614 [2020-10-29 18:43:18,612 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 614 [2020-10-29 18:43:21,502 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 616 [2020-10-29 18:43:36,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 18:43:36,774 INFO L93 Difference]: Finished difference Result 5078 states and 6636 transitions. [2020-10-29 18:43:36,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 18:43:36,775 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 90 [2020-10-29 18:43:36,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 18:43:36,796 INFO L225 Difference]: With dead ends: 5078 [2020-10-29 18:43:36,796 INFO L226 Difference]: Without dead ends: 3300 [2020-10-29 18:43:36,803 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2020-10-29 18:43:36,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3300 states. [2020-10-29 18:43:37,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3300 to 2689. [2020-10-29 18:43:37,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2689 states. [2020-10-29 18:43:37,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2689 states and 3427 transitions. [2020-10-29 18:43:37,915 INFO L78 Accepts]: Start accepts. Automaton has 2689 states and 3427 transitions. Word has length 90 [2020-10-29 18:43:37,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 18:43:37,915 INFO L481 AbstractCegarLoop]: Abstraction has 2689 states and 3427 transitions. [2020-10-29 18:43:37,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 18:43:37,915 INFO L276 IsEmpty]: Start isEmpty. Operand 2689 states and 3427 transitions. [2020-10-29 18:43:37,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-29 18:43:37,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:43:37,920 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] [2020-10-29 18:43:37,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 18:43:37,920 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:43:37,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:43:37,921 INFO L82 PathProgramCache]: Analyzing trace with hash -773055487, now seen corresponding path program 1 times [2020-10-29 18:43:37,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:43:37,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2083671821] [2020-10-29 18:43:37,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:43:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:43:38,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:43:38,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:43:38,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:43:39,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:43:40,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:43:43,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:43:43,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-29 18:43:43,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 18:43:43,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5231 [2020-10-29 18:43:43,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:43:43,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:43:43,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 18:43:43,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:43:43,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-29 18:43:43,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:43:45,801 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 610 [2020-10-29 18:43:45,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:43:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:43:45,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:43:46,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:43:46,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:43:46,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:43:46,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 370 [2020-10-29 18:43:46,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:43:46,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:43:46,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:43:46,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:43:46,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 18:43:46,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:43:46,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:43:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:43:46,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:43:46,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:43:46,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:43:46,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:43:46,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:43:46,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:43:46,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:43:46,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:43:46,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:43:46,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:43:46,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:43:46,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 18:43:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:43:46,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:43:46,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:43:46,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:43:46,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:43:46,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:43:46,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:43:46,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:43:46,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:43:46,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:43:46,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:43:46,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:43:46,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 18:43:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:43:46,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:43:46,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:43:46,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:43:46,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:43:46,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:43:46,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:43:46,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:43:46,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:43:46,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:43:46,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:43:46,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:43:46,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 18:43:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:43:46,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:43:46,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:43:46,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:43:46,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:43:46,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:43:46,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:43:46,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:43:46,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:43:46,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:43:46,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:43:46,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:43:46,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 18:43:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:43:46,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:43:46,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:43:46,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:43:46,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:43:46,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:43:46,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:43:46,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:43:46,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:43:46,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:43:46,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:43:46,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:43:46,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 18:43:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:43:46,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:43:46,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:43:46,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 18:43:46,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:43:46,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 18:43:46,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:43:46,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:43:46,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:43:46,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:43:46,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 18:43:46,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:43:46,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-29 18:43:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:43:46,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:43:46,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:43:46,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:43:46,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:43:46,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 18:43:46,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:43:46,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:43:46,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:43:46,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:43:46,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:43:46,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:43:46,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-29 18:43:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:43:46,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:43:46,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:43:46,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:43:46,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:43:46,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:43:46,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:43:46,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:43:46,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:43:46,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 18:43:46,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:43:46,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:43:46,450 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-29 18:43:46,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2083671821] [2020-10-29 18:43:46,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 18:43:46,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 18:43:46,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425930036] [2020-10-29 18:43:46,452 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 18:43:46,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 18:43:46,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 18:43:46,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-29 18:43:46,453 INFO L87 Difference]: Start difference. First operand 2689 states and 3427 transitions. Second operand 8 states. [2020-10-29 18:43:51,174 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification that was a NOOP. DAG size: 612 [2020-10-29 18:43:55,884 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification that was a NOOP. DAG size: 614 [2020-10-29 18:43:58,713 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification that was a NOOP. DAG size: 614 [2020-10-29 18:44:01,390 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification that was a NOOP. DAG size: 616