/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 02:50:31,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 02:50:31,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 02:50:31,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 02:50:31,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 02:50:31,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 02:50:31,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 02:50:31,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 02:50:31,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 02:50:31,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 02:50:31,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 02:50:31,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 02:50:31,329 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 02:50:31,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 02:50:31,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 02:50:31,336 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 02:50:31,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 02:50:31,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 02:50:31,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 02:50:31,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 02:50:31,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 02:50:31,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 02:50:31,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 02:50:31,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 02:50:31,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 02:50:31,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 02:50:31,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 02:50:31,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 02:50:31,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 02:50:31,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-10-28 02:50:31,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 02:50:31,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 02:50:31,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 02:50:31,409 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-28 02:50:31,434 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 02:50:31,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 02:50:31,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 02:50:31,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 02:50:31,436 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 02:50:31,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 02:50:31,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 02:50:31,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 02:50:31,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 02:50:31,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 02:50:31,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 02:50:31,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 02:50:31,437 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 02:50:31,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 02:50:31,438 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 02:50:31,438 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 02:50:31,438 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 02:50:31,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 02:50:31,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 02:50:31,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 02:50:31,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 02:50:31,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 02:50:31,439 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 02:50:31,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 02:50:31,440 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 02:50:31,440 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 02:50:31,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 02:50:31,440 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 02:50:31,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 02:50:31,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 02:50:31,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 02:50:31,851 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 02:50:31,852 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 02:50:31,853 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2020-10-28 02:50:31,930 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cb84915de/cc2cc9b764f741989f496de26351217f/FLAG5b69b54fe [2020-10-28 02:50:32,896 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 02:50:32,897 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2020-10-28 02:50:32,943 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cb84915de/cc2cc9b764f741989f496de26351217f/FLAG5b69b54fe [2020-10-28 02:50:33,390 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cb84915de/cc2cc9b764f741989f496de26351217f [2020-10-28 02:50:33,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 02:50:33,400 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 02:50:33,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 02:50:33,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 02:50:33,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 02:50:33,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:50:33" (1/1) ... [2020-10-28 02:50:33,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c57c9b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:50:33, skipping insertion in model container [2020-10-28 02:50:33,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:50:33" (1/1) ... [2020-10-28 02:50:33,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 02:50:33,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 02:50:34,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 02:50:34,883 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 02:50:35,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 02:50:35,385 INFO L208 MainTranslator]: Completed translation [2020-10-28 02:50:35,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:50:35 WrapperNode [2020-10-28 02:50:35,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 02:50:35,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 02:50:35,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 02:50:35,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 02:50:35,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:50:35" (1/1) ... [2020-10-28 02:50:35,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:50:35" (1/1) ... [2020-10-28 02:50:35,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:50:35" (1/1) ... [2020-10-28 02:50:35,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:50:35" (1/1) ... [2020-10-28 02:50:35,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:50:35" (1/1) ... [2020-10-28 02:50:35,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:50:35" (1/1) ... [2020-10-28 02:50:35,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:50:35" (1/1) ... [2020-10-28 02:50:35,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 02:50:35,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 02:50:35,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 02:50:35,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 02:50:35,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:50:35" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 02:50:35,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 02:50:35,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 02:50:35,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-28 02:50:35,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-10-28 02:50:35,805 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 02:50:35,805 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 02:50:35,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-28 02:50:35,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 02:50:35,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 02:50:35,806 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 02:50:35,806 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 02:50:35,806 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2020-10-28 02:50:35,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2020-10-28 02:50:35,807 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2020-10-28 02:50:35,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_6 [2020-10-28 02:50:35,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_7 [2020-10-28 02:50:35,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-28 02:50:35,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-28 02:50:35,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-28 02:50:35,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-28 02:50:35,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-28 02:50:35,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-10-28 02:50:35,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-28 02:50:35,811 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2020-10-28 02:50:35,811 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2020-10-28 02:50:35,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2020-10-28 02:50:35,811 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-10-28 02:50:35,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-10-28 02:50:35,812 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2020-10-28 02:50:35,812 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2020-10-28 02:50:35,812 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2020-10-28 02:50:35,812 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2020-10-28 02:50:35,812 INFO L138 BoogieDeclarations]: Found implementation of procedure readable [2020-10-28 02:50:35,812 INFO L138 BoogieDeclarations]: Found implementation of procedure checksum [2020-10-28 02:50:35,812 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2020-10-28 02:50:35,813 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2020-10-28 02:50:35,813 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_mem [2020-10-28 02:50:35,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2020-10-28 02:50:35,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_common_align [2020-10-28 02:50:35,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_align [2020-10-28 02:50:35,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2020-10-28 02:50:35,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_find_io_region [2020-10-28 02:50:35,813 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2020-10-28 02:50:35,814 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2020-10-28 02:50:35,814 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2020-10-28 02:50:35,814 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2020-10-28 02:50:35,814 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_autoadd_resources [2020-10-28 02:50:35,814 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2020-10-28 02:50:35,814 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2020-10-28 02:50:35,814 INFO L138 BoogieDeclarations]: Found implementation of procedure show_io_db [2020-10-28 02:50:35,814 INFO L138 BoogieDeclarations]: Found implementation of procedure store_io_db [2020-10-28 02:50:35,815 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mem_db [2020-10-28 02:50:35,815 INFO L138 BoogieDeclarations]: Found implementation of procedure store_mem_db [2020-10-28 02:50:35,815 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2020-10-28 02:50:35,815 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_remove_rsrc [2020-10-28 02:50:35,815 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_init [2020-10-28 02:50:35,816 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_exit [2020-10-28 02:50:35,816 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 02:50:35,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2020-10-28 02:50:35,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2020-10-28 02:50:35,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2020-10-28 02:50:35,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_18 [2020-10-28 02:50:35,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2020-10-28 02:50:35,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2020-10-28 02:50:35,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2020-10-28 02:50:35,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2020-10-28 02:50:35,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2020-10-28 02:50:35,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_24 [2020-10-28 02:50:35,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2020-10-28 02:50:35,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2020-10-28 02:50:35,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2020-10-28 02:50:35,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2020-10-28 02:50:35,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2020-10-28 02:50:35,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2020-10-28 02:50:35,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2020-10-28 02:50:35,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 02:50:35,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 02:50:35,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 02:50:35,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-28 02:50:35,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-28 02:50:35,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-28 02:50:35,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-28 02:50:35,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-28 02:50:35,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-28 02:50:35,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-28 02:50:35,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-28 02:50:35,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-28 02:50:35,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-28 02:50:35,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-28 02:50:35,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-28 02:50:35,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-28 02:50:35,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-28 02:50:35,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-28 02:50:35,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-28 02:50:35,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-28 02:50:35,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-28 02:50:35,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-28 02:50:35,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-28 02:50:35,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-28 02:50:35,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2020-10-28 02:50:35,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2020-10-28 02:50:35,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2020-10-28 02:50:35,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2020-10-28 02:50:35,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2020-10-28 02:50:35,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2020-10-28 02:50:35,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2020-10-28 02:50:35,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 02:50:35,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 02:50:35,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-28 02:50:35,827 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2020-10-28 02:50:35,827 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2020-10-28 02:50:35,827 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_register [2020-10-28 02:50:35,828 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_unregister [2020-10-28 02:50:35,828 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-28 02:50:35,828 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-10-28 02:50:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2020-10-28 02:50:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2020-10-28 02:50:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_6 [2020-10-28 02:50:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_7 [2020-10-28 02:50:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_setup_6 [2020-10-28 02:50:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_setup_7 [2020-10-28 02:50:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-28 02:50:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-28 02:50:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-28 02:50:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2020-10-28 02:50:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_parent_resource [2020-10-28 02:50:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 02:50:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2020-10-28 02:50:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2020-10-28 02:50:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2020-10-28 02:50:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2020-10-28 02:50:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 02:50:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 02:50:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 02:50:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 02:50:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 02:50:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 02:50:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 02:50:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-28 02:50:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-28 02:50:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-28 02:50:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-28 02:50:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-28 02:50:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-28 02:50:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-28 02:50:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-28 02:50:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-28 02:50:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-10-28 02:50:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-28 02:50:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-28 02:50:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-28 02:50:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-28 02:50:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-28 02:50:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-28 02:50:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-28 02:50:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 02:50:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 02:50:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 02:50:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-28 02:50:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 02:50:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 02:50:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 02:50:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 02:50:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 02:50:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 02:50:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2020-10-28 02:50:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2020-10-28 02:50:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 02:50:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 02:50:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2020-10-28 02:50:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 02:50:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_setup_6 [2020-10-28 02:50:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_7 [2020-10-28 02:50:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_setup_7 [2020-10-28 02:50:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_6 [2020-10-28 02:50:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_6 [2020-10-28 02:50:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_7 [2020-10-28 02:50:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 02:50:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 02:50:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-28 02:50:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-28 02:50:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-10-28 02:50:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_18 [2020-10-28 02:50:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2020-10-28 02:50:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2020-10-28 02:50:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2020-10-28 02:50:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2020-10-28 02:50:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2020-10-28 02:50:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2020-10-28 02:50:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2020-10-28 02:50:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2020-10-28 02:50:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2020-10-28 02:50:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2020-10-28 02:50:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2020-10-28 02:50:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2020-10-28 02:50:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_24 [2020-10-28 02:50:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2020-10-28 02:50:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2020-10-28 02:50:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2020-10-28 02:50:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2020-10-28 02:50:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2020-10-28 02:50:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2020-10-28 02:50:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2020-10-28 02:50:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2020-10-28 02:50:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2020-10-28 02:50:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2020-10-28 02:50:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2020-10-28 02:50:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-10-28 02:50:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2020-10-28 02:50:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-10-28 02:50:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2020-10-28 02:50:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2020-10-28 02:50:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-10-28 02:50:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 02:50:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 02:50:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_register [2020-10-28 02:50:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_unregister [2020-10-28 02:50:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-10-28 02:50:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-28 02:50:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-10-28 02:50:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_parent_resource [2020-10-28 02:50:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2020-10-28 02:50:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2020-10-28 02:50:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2020-10-28 02:50:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2020-10-28 02:50:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2020-10-28 02:50:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure readable [2020-10-28 02:50:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-28 02:50:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 02:50:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure checksum [2020-10-28 02:50:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2020-10-28 02:50:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-10-28 02:50:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2020-10-28 02:50:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure validate_mem [2020-10-28 02:50:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2020-10-28 02:50:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_common_align [2020-10-28 02:50:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_align [2020-10-28 02:50:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2020-10-28 02:50:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_find_io_region [2020-10-28 02:50:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2020-10-28 02:50:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2020-10-28 02:50:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2020-10-28 02:50:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2020-10-28 02:50:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_autoadd_resources [2020-10-28 02:50:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2020-10-28 02:50:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2020-10-28 02:50:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure show_io_db [2020-10-28 02:50:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure store_io_db [2020-10-28 02:50:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure show_mem_db [2020-10-28 02:50:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure store_mem_db [2020-10-28 02:50:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2020-10-28 02:50:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_remove_rsrc [2020-10-28 02:50:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_init [2020-10-28 02:50:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_exit [2020-10-28 02:50:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 02:50:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 02:50:35,858 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 02:50:35,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 02:50:35,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 02:50:35,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-28 02:50:35,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-28 02:50:35,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-28 02:50:35,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-28 02:50:35,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-28 02:50:35,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-28 02:50:35,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-28 02:50:35,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-28 02:50:35,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-28 02:50:35,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-28 02:50:35,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-28 02:50:35,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-28 02:50:35,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-28 02:50:35,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-28 02:50:35,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2020-10-28 02:50:35,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2020-10-28 02:50:35,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2020-10-28 02:50:35,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2020-10-28 02:50:35,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2020-10-28 02:50:35,867 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 02:50:35,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 02:50:35,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 02:50:35,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 02:50:35,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 02:50:38,962 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 02:50:38,963 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 02:50:38,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:50:38 BoogieIcfgContainer [2020-10-28 02:50:38,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 02:50:38,969 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 02:50:38,969 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 02:50:38,973 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 02:50:38,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 02:50:33" (1/3) ... [2020-10-28 02:50:38,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@424cb974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:50:38, skipping insertion in model container [2020-10-28 02:50:38,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:50:35" (2/3) ... [2020-10-28 02:50:38,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@424cb974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:50:38, skipping insertion in model container [2020-10-28 02:50:38,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:50:38" (3/3) ... [2020-10-28 02:50:38,976 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2020-10-28 02:50:38,988 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 02:50:38,994 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 02:50:39,007 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 02:50:39,039 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 02:50:39,040 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 02:50:39,040 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 02:50:39,040 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 02:50:39,040 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 02:50:39,040 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 02:50:39,040 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 02:50:39,040 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 02:50:39,113 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states. [2020-10-28 02:50:39,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-28 02:50:39,129 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:50:39,130 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 02:50:39,130 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:50:39,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:50:39,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1979210053, now seen corresponding path program 1 times [2020-10-28 02:50:39,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:50:39,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [180924940] [2020-10-28 02:50:39,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:50:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:39,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:39,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:41,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:41,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 02:50:41,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 02:50:41,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1639 [2020-10-28 02:50:41,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:41,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:50:41,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 02:50:41,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 02:50:41,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-28 02:50:43,269 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-28 02:50:43,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:50:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:43,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:43,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:43,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:50:43,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:43,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-28 02:50:43,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:43,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:50:43,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:50:43,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:50:43,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:43,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:50:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:43,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:43,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:43,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:50:43,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:43,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 02:50:43,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:43,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:50:43,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:50:43,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:50:43,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:43,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 02:50:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:43,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:43,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:43,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 02:50:43,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:43,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 02:50:43,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:43,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:50:43,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 02:50:43,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:50:43,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:43,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:50:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:43,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:43,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:43,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:50:43,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:43,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 02:50:43,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:43,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:50:43,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:50:43,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:50:43,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:43,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 02:50:43,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [180924940] [2020-10-28 02:50:43,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:50:43,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 02:50:43,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725329103] [2020-10-28 02:50:43,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 02:50:43,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:50:43,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 02:50:43,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 02:50:43,633 INFO L87 Difference]: Start difference. First operand 979 states. Second operand 5 states. [2020-10-28 02:50:45,748 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-28 02:51:15,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:51:15,088 INFO L93 Difference]: Finished difference Result 3037 states and 4544 transitions. [2020-10-28 02:51:15,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 02:51:15,090 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-28 02:51:15,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:51:15,127 INFO L225 Difference]: With dead ends: 3037 [2020-10-28 02:51:15,128 INFO L226 Difference]: Without dead ends: 2188 [2020-10-28 02:51:15,145 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 02:51:15,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2188 states. [2020-10-28 02:51:15,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2188 to 1636. [2020-10-28 02:51:15,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1636 states. [2020-10-28 02:51:15,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 2245 transitions. [2020-10-28 02:51:15,843 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 2245 transitions. Word has length 36 [2020-10-28 02:51:15,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:51:15,844 INFO L481 AbstractCegarLoop]: Abstraction has 1636 states and 2245 transitions. [2020-10-28 02:51:15,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 02:51:15,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2245 transitions. [2020-10-28 02:51:15,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-28 02:51:15,859 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:51:15,860 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 02:51:15,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 02:51:15,860 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:51:15,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:51:15,861 INFO L82 PathProgramCache]: Analyzing trace with hash -847971055, now seen corresponding path program 1 times [2020-10-28 02:51:15,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:51:15,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [959057147] [2020-10-28 02:51:15,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:51:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:16,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:16,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:16,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:19,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:19,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-28 02:51:19,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 02:51:19,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3568 [2020-10-28 02:51:19,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:19,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:51:19,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 02:51:19,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 02:51:19,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:51:21,449 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-28 02:51:21,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:51:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:21,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:21,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:21,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:51:21,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:51:21,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-28 02:51:21,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:21,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:51:21,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:51:21,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:51:21,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:51:21,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:51:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:21,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:21,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:21,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:51:21,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:51:21,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:51:21,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:21,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:51:21,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:51:21,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:51:21,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:51:21,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 02:51:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:21,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:21,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:21,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 02:51:21,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:51:21,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 02:51:21,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:21,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:51:21,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 02:51:21,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:51:21,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:51:21,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:51:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:21,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:21,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:21,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:51:21,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:51:21,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:51:21,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:21,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:51:21,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:51:21,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:51:21,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:51:21,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 02:51:21,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [959057147] [2020-10-28 02:51:21,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:51:21,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 02:51:21,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045206581] [2020-10-28 02:51:21,667 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 02:51:21,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:51:21,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 02:51:21,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 02:51:21,668 INFO L87 Difference]: Start difference. First operand 1636 states and 2245 transitions. Second operand 6 states. [2020-10-28 02:51:23,759 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-28 02:51:56,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:51:56,604 INFO L93 Difference]: Finished difference Result 6408 states and 9337 transitions. [2020-10-28 02:51:56,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 02:51:56,605 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2020-10-28 02:51:56,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:51:56,640 INFO L225 Difference]: With dead ends: 6408 [2020-10-28 02:51:56,641 INFO L226 Difference]: Without dead ends: 4783 [2020-10-28 02:51:56,650 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-28 02:51:56,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4783 states. [2020-10-28 02:51:57,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4783 to 3176. [2020-10-28 02:51:57,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3176 states. [2020-10-28 02:51:57,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3176 states to 3176 states and 4364 transitions. [2020-10-28 02:51:57,557 INFO L78 Accepts]: Start accepts. Automaton has 3176 states and 4364 transitions. Word has length 42 [2020-10-28 02:51:57,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:51:57,558 INFO L481 AbstractCegarLoop]: Abstraction has 3176 states and 4364 transitions. [2020-10-28 02:51:57,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 02:51:57,559 INFO L276 IsEmpty]: Start isEmpty. Operand 3176 states and 4364 transitions. [2020-10-28 02:51:57,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-28 02:51:57,564 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:51:57,565 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 02:51:57,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 02:51:57,565 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:51:57,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:51:57,566 INFO L82 PathProgramCache]: Analyzing trace with hash -2091192604, now seen corresponding path program 1 times [2020-10-28 02:51:57,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:51:57,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1393620233] [2020-10-28 02:51:57,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:51:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:57,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:57,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:58,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:00,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:00,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 02:52:00,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 02:52:00,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3175 [2020-10-28 02:52:00,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:00,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:52:00,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 02:52:00,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 02:52:00,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:52:02,720 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-28 02:52:02,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:52:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:52:02,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:02,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:02,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:52:02,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:52:02,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-28 02:52:02,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:02,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:52:02,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:52:02,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:52:02,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:52:02,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:52:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:52:02,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:02,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:02,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:52:02,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:52:02,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:52:02,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:02,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:52:02,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:52:02,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:52:02,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:52:02,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 02:52:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:52:02,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:02,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:02,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 02:52:02,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:52:02,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 02:52:02,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:02,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:52:02,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 02:52:02,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:52:02,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:52:02,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:52:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:52:02,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:02,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:02,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:52:02,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:52:02,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:52:02,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:02,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:52:02,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:52:02,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:52:02,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 02:52:02,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 02:52:02,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1393620233] [2020-10-28 02:52:02,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:52:02,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 02:52:02,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017694767] [2020-10-28 02:52:02,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 02:52:02,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:52:02,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 02:52:02,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 02:52:02,937 INFO L87 Difference]: Start difference. First operand 3176 states and 4364 transitions. Second operand 6 states. [2020-10-28 02:52:05,036 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-28 02:52:38,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:52:38,493 INFO L93 Difference]: Finished difference Result 12476 states and 18166 transitions. [2020-10-28 02:52:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 02:52:38,494 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2020-10-28 02:52:38,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:52:38,555 INFO L225 Difference]: With dead ends: 12476 [2020-10-28 02:52:38,555 INFO L226 Difference]: Without dead ends: 9311 [2020-10-28 02:52:38,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-28 02:52:38,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9311 states. [2020-10-28 02:52:40,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9311 to 6170. [2020-10-28 02:52:40,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6170 states. [2020-10-28 02:52:40,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6170 states to 6170 states and 8472 transitions. [2020-10-28 02:52:40,495 INFO L78 Accepts]: Start accepts. Automaton has 6170 states and 8472 transitions. Word has length 40 [2020-10-28 02:52:40,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:52:40,495 INFO L481 AbstractCegarLoop]: Abstraction has 6170 states and 8472 transitions. [2020-10-28 02:52:40,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 02:52:40,495 INFO L276 IsEmpty]: Start isEmpty. Operand 6170 states and 8472 transitions. [2020-10-28 02:52:40,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-28 02:52:40,497 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:52:40,498 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 02:52:40,498 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 02:52:40,498 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:52:40,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:52:40,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1002730619, now seen corresponding path program 1 times [2020-10-28 02:52:40,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:52:40,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1618483382] [2020-10-28 02:52:40,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:52:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:52:40,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:40,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:40,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-28 02:52:40,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:52:40,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 370 [2020-10-28 02:52:40,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:40,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:52:40,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 02:52:40,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-28 02:52:40,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:52:42,856 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-28 02:52:42,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:52:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:52:42,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:42,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:42,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:52:42,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:52:42,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-28 02:52:42,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:42,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:52:42,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:52:42,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:52:42,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:52:42,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:52:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:52:43,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:43,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:43,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:52:43,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:52:43,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 02:52:43,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:43,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:52:43,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:52:43,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 02:52:43,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:52:43,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 02:52:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:52:43,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:43,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:43,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 02:52:43,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:52:43,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 02:52:43,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:43,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:52:43,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:52:43,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 02:52:43,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:52:43,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:52:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:52:43,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:43,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:43,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:52:43,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:52:43,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:52:43,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:43,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:52:43,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:52:43,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:52:43,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:52:43,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 02:52:43,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1618483382] [2020-10-28 02:52:43,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:52:43,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 02:52:43,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241032954] [2020-10-28 02:52:43,052 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 02:52:43,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:52:43,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 02:52:43,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 02:52:43,054 INFO L87 Difference]: Start difference. First operand 6170 states and 8472 transitions. Second operand 5 states. [2020-10-28 02:52:45,253 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-28 02:53:01,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:53:01,374 INFO L93 Difference]: Finished difference Result 8342 states and 12023 transitions. [2020-10-28 02:53:01,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 02:53:01,379 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-10-28 02:53:01,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:53:01,427 INFO L225 Difference]: With dead ends: 8342 [2020-10-28 02:53:01,427 INFO L226 Difference]: Without dead ends: 8337 [2020-10-28 02:53:01,431 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 02:53:01,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8337 states. [2020-10-28 02:53:03,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8337 to 6169. [2020-10-28 02:53:03,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6169 states. [2020-10-28 02:53:03,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6169 states to 6169 states and 8470 transitions. [2020-10-28 02:53:03,099 INFO L78 Accepts]: Start accepts. Automaton has 6169 states and 8470 transitions. Word has length 40 [2020-10-28 02:53:03,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:53:03,099 INFO L481 AbstractCegarLoop]: Abstraction has 6169 states and 8470 transitions. [2020-10-28 02:53:03,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 02:53:03,099 INFO L276 IsEmpty]: Start isEmpty. Operand 6169 states and 8470 transitions. [2020-10-28 02:53:03,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-28 02:53:03,101 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:53:03,102 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 02:53:03,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 02:53:03,102 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:53:03,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:53:03,102 INFO L82 PathProgramCache]: Analyzing trace with hash 464325913, now seen corresponding path program 1 times [2020-10-28 02:53:03,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:53:03,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1366334650] [2020-10-28 02:53:03,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:53:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:53:03,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:53:03,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:53:03,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-28 02:53:03,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:53:03,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 339 [2020-10-28 02:53:03,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:53:03,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:53:03,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 02:53:03,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-28 02:53:03,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:53:05,518 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-28 02:53:05,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:53:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:53:05,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:53:05,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:53:05,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:53:05,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:53:05,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-28 02:53:05,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:53:05,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:53:05,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:53:05,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:53:05,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:53:05,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:53:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:53:05,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:53:05,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:53:05,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:53:05,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:53:05,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 02:53:05,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:53:05,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:53:05,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:53:05,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 02:53:05,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:53:05,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 02:53:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:53:05,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:53:05,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:53:05,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 02:53:05,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:53:05,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 02:53:05,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:53:05,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:53:05,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:53:05,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 02:53:05,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:53:05,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:53:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:53:05,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:53:05,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:53:05,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:53:05,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:53:05,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:53:05,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:53:05,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:53:05,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:53:05,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:53:05,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:53:05,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 02:53:05,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1366334650] [2020-10-28 02:53:05,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:53:05,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 02:53:05,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250181053] [2020-10-28 02:53:05,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 02:53:05,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:53:05,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 02:53:05,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 02:53:05,734 INFO L87 Difference]: Start difference. First operand 6169 states and 8470 transitions. Second operand 5 states. [2020-10-28 02:53:07,952 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-28 02:53:24,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:53:24,013 INFO L93 Difference]: Finished difference Result 8341 states and 12021 transitions. [2020-10-28 02:53:24,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 02:53:24,014 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2020-10-28 02:53:24,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:53:24,162 INFO L225 Difference]: With dead ends: 8341 [2020-10-28 02:53:24,162 INFO L226 Difference]: Without dead ends: 8336 [2020-10-28 02:53:24,168 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 02:53:24,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8336 states. [2020-10-28 02:53:25,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8336 to 6168. [2020-10-28 02:53:25,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6168 states. [2020-10-28 02:53:25,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6168 states to 6168 states and 8468 transitions. [2020-10-28 02:53:25,771 INFO L78 Accepts]: Start accepts. Automaton has 6168 states and 8468 transitions. Word has length 41 [2020-10-28 02:53:25,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:53:25,772 INFO L481 AbstractCegarLoop]: Abstraction has 6168 states and 8468 transitions. [2020-10-28 02:53:25,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 02:53:25,772 INFO L276 IsEmpty]: Start isEmpty. Operand 6168 states and 8468 transitions. [2020-10-28 02:53:25,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-28 02:53:25,774 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:53:25,774 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 02:53:25,774 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 02:53:25,774 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:53:25,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:53:25,775 INFO L82 PathProgramCache]: Analyzing trace with hash 958326398, now seen corresponding path program 1 times [2020-10-28 02:53:25,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:53:25,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2106336202] [2020-10-28 02:53:25,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:53:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:53:25,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:53:26,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:53:26,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-28 02:53:26,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:53:26,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 328 [2020-10-28 02:53:26,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:53:26,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:53:26,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 02:53:26,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 02:53:26,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:53:27,994 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-28 02:53:27,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:53:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:53:28,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:53:28,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:53:28,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:53:28,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:53:28,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-28 02:53:28,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:53:28,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:53:28,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:53:28,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:53:28,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:53:28,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:53:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:53:28,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:53:28,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:53:28,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:53:28,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:53:28,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 02:53:28,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:53:28,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:53:28,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:53:28,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 02:53:28,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:53:28,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 02:53:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:53:28,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:53:28,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:53:28,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 02:53:28,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:53:28,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 02:53:28,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:53:28,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:53:28,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:53:28,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 02:53:28,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:53:28,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:53:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:53:28,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:53:28,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:53:28,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:53:28,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:53:28,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 02:53:28,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:53:28,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:53:28,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:53:28,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:53:28,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:53:28,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 02:53:28,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2106336202] [2020-10-28 02:53:28,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:53:28,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 02:53:28,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356101069] [2020-10-28 02:53:28,177 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 02:53:28,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:53:28,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 02:53:28,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 02:53:28,178 INFO L87 Difference]: Start difference. First operand 6168 states and 8468 transitions. Second operand 5 states. [2020-10-28 02:53:30,451 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-28 02:53:46,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:53:46,490 INFO L93 Difference]: Finished difference Result 8340 states and 12019 transitions. [2020-10-28 02:53:46,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 02:53:46,491 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2020-10-28 02:53:46,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:53:46,529 INFO L225 Difference]: With dead ends: 8340 [2020-10-28 02:53:46,529 INFO L226 Difference]: Without dead ends: 8335 [2020-10-28 02:53:46,533 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 02:53:46,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8335 states. [2020-10-28 02:53:48,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8335 to 6167. [2020-10-28 02:53:48,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6167 states. [2020-10-28 02:53:48,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6167 states to 6167 states and 8466 transitions. [2020-10-28 02:53:48,460 INFO L78 Accepts]: Start accepts. Automaton has 6167 states and 8466 transitions. Word has length 42 [2020-10-28 02:53:48,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:53:48,460 INFO L481 AbstractCegarLoop]: Abstraction has 6167 states and 8466 transitions. [2020-10-28 02:53:48,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 02:53:48,460 INFO L276 IsEmpty]: Start isEmpty. Operand 6167 states and 8466 transitions. [2020-10-28 02:53:48,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-28 02:53:48,462 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:53:48,462 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 02:53:48,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 02:53:48,463 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:53:48,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:53:48,463 INFO L82 PathProgramCache]: Analyzing trace with hash -902850564, now seen corresponding path program 1 times [2020-10-28 02:53:48,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:53:48,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [506736455] [2020-10-28 02:53:48,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:53:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:53:48,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:53:48,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:53:48,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 02:53:48,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:53:48,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 323 [2020-10-28 02:53:48,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:53:48,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:53:48,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 02:53:48,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-28 02:53:48,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:53:50,699 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-28 02:53:50,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:53:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:53:50,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:53:50,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:53:50,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:53:50,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:53:50,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-28 02:53:50,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:53:50,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:53:50,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:53:50,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:53:50,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:53:50,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:53:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:53:50,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:53:50,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:53:50,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:53:50,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:53:50,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 02:53:50,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:53:50,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:53:50,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:53:50,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 02:53:50,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:53:50,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 02:53:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:53:50,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:53:50,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:53:50,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 02:53:50,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:53:50,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 02:53:50,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:53:50,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:53:50,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:53:50,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 02:53:50,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:53:50,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:53:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:53:50,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:53:50,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:53:50,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:53:50,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:53:50,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:53:50,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:53:50,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:53:50,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:53:50,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:53:50,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:53:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 02:53:50,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [506736455] [2020-10-28 02:53:50,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:53:50,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 02:53:50,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941037860] [2020-10-28 02:53:50,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 02:53:50,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:53:50,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 02:53:50,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 02:53:50,881 INFO L87 Difference]: Start difference. First operand 6167 states and 8466 transitions. Second operand 5 states. [2020-10-28 02:53:53,031 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-28 02:54:13,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:54:13,594 INFO L93 Difference]: Finished difference Result 15993 states and 22608 transitions. [2020-10-28 02:54:13,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 02:54:13,595 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2020-10-28 02:54:13,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:54:13,652 INFO L225 Difference]: With dead ends: 15993 [2020-10-28 02:54:13,652 INFO L226 Difference]: Without dead ends: 9824 [2020-10-28 02:54:13,678 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 02:54:13,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9824 states. [2020-10-28 02:54:15,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9824 to 3842. [2020-10-28 02:54:15,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3842 states. [2020-10-28 02:54:15,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3842 states to 3842 states and 5226 transitions. [2020-10-28 02:54:15,273 INFO L78 Accepts]: Start accepts. Automaton has 3842 states and 5226 transitions. Word has length 43 [2020-10-28 02:54:15,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:54:15,273 INFO L481 AbstractCegarLoop]: Abstraction has 3842 states and 5226 transitions. [2020-10-28 02:54:15,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 02:54:15,273 INFO L276 IsEmpty]: Start isEmpty. Operand 3842 states and 5226 transitions. [2020-10-28 02:54:15,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-28 02:54:15,281 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:54:15,282 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 02:54:15,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 02:54:15,282 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:54:15,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:54:15,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1707690591, now seen corresponding path program 1 times [2020-10-28 02:54:15,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:54:15,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [885341927] [2020-10-28 02:54:15,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:54:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:54:15,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:54:16,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:54:16,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-28 02:54:16,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:54:16,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1364 [2020-10-28 02:54:16,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:54:16,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 02:54:16,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-28 02:54:16,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 02:54:16,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:54:18,742 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-28 02:54:18,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:54:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:54:18,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:54:18,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:54:18,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:54:18,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:54:18,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-28 02:54:18,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:54:18,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:54:18,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:54:18,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:54:18,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:54:18,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:54:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:54:18,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:54:18,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:54:18,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:54:18,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:54:18,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:54:18,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:54:18,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:54:18,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:54:18,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:54:18,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:54:18,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 02:54:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:54:18,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:54:18,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:54:18,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 02:54:18,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:54:18,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 02:54:18,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:54:18,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:54:18,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:54:18,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:54:18,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:54:18,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:54:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:54:18,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:54:18,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:54:18,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:54:18,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:54:18,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 02:54:18,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:54:18,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:54:18,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:54:18,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:54:18,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:54:18,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 02:54:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:54:18,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:54:18,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:54:18,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 02:54:18,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:54:18,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 02:54:18,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:54:18,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:54:18,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:54:18,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:54:18,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:54:18,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:54:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:54:18,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:54:18,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:54:18,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:54:18,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:54:18,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 02:54:18,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:54:18,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:54:18,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:54:18,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:54:18,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:54:19,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 02:54:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:54:19,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:54:19,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:54:19,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 02:54:19,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:54:19,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 02:54:19,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:54:19,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:54:19,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:54:19,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 02:54:19,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:54:19,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:54:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:54:19,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:54:19,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:54:19,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 02:54:19,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:54:19,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 02:54:19,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:54:19,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:54:19,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:54:19,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 02:54:19,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:54:19,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 02:54:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:54:19,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:54:19,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:54:19,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:54:19,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:54:19,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 02:54:19,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:54:19,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:54:19,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:54:19,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 02:54:19,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:54:19,088 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 02:54:19,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [885341927] [2020-10-28 02:54:19,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:54:19,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 02:54:19,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262026373] [2020-10-28 02:54:19,093 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 02:54:19,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:54:19,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 02:54:19,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 02:54:19,095 INFO L87 Difference]: Start difference. First operand 3842 states and 5226 transitions. Second operand 7 states.