/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 08:19:33,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 08:19:33,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 08:19:33,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 08:19:33,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 08:19:33,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 08:19:33,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 08:19:33,332 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 08:19:33,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 08:19:33,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 08:19:33,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 08:19:33,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 08:19:33,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 08:19:33,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 08:19:33,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 08:19:33,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 08:19:33,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 08:19:33,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 08:19:33,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 08:19:33,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 08:19:33,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 08:19:33,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 08:19:33,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 08:19:33,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 08:19:33,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 08:19:33,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 08:19:33,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 08:19:33,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 08:19:33,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 08:19:33,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 08:19:33,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 08:19:33,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 08:19:33,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 08:19:33,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 08:19:33,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 08:19:33,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 08:19:33,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 08:19:33,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 08:19:33,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 08:19:33,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 08:19:33,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 08:19:33,386 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-27 08:19:33,438 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 08:19:33,438 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 08:19:33,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 08:19:33,444 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 08:19:33,445 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 08:19:33,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 08:19:33,445 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 08:19:33,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 08:19:33,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 08:19:33,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 08:19:33,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 08:19:33,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 08:19:33,448 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 08:19:33,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 08:19:33,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 08:19:33,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 08:19:33,448 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 08:19:33,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 08:19:33,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 08:19:33,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 08:19:33,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 08:19:33,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 08:19:33,450 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 08:19:33,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 08:19:33,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 08:19:33,450 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 08:19:33,450 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-27 08:19:33,451 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 08:19:33,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 08:19:33,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 08:19:33,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 08:19:33,905 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 08:19:33,906 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 08:19:33,907 INFO L432 ainManager$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 [2020-10-27 08:19:33,999 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c78984d78/f03b72352a0b4d04a8242b9c58524123/FLAG9d9f6b6fb [2020-10-27 08:19:35,026 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 08:19:35,028 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 [2020-10-27 08:19:35,079 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c78984d78/f03b72352a0b4d04a8242b9c58524123/FLAG9d9f6b6fb [2020-10-27 08:19:35,534 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c78984d78/f03b72352a0b4d04a8242b9c58524123 [2020-10-27 08:19:35,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 08:19:35,544 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 08:19:35,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 08:19:35,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 08:19:35,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 08:19:35,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:19:35" (1/1) ... [2020-10-27 08:19:35,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24ef72b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:19:35, skipping insertion in model container [2020-10-27 08:19:35,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:19:35" (1/1) ... [2020-10-27 08:19:35,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 08:19:35,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 08:19:36,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 08:19:36,975 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 08:19:37,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 08:19:37,495 INFO L208 MainTranslator]: Completed translation [2020-10-27 08:19:37,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:19:37 WrapperNode [2020-10-27 08:19:37,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 08:19:37,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 08:19:37,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 08:19:37,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 08:19:37,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:19:37" (1/1) ... [2020-10-27 08:19:37,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:19:37" (1/1) ... [2020-10-27 08:19:37,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:19:37" (1/1) ... [2020-10-27 08:19:37,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:19:37" (1/1) ... [2020-10-27 08:19:37,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:19:37" (1/1) ... [2020-10-27 08:19:37,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:19:37" (1/1) ... [2020-10-27 08:19:37,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:19:37" (1/1) ... [2020-10-27 08:19:37,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 08:19:37,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 08:19:37,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 08:19:37,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 08:19:37,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:19:37" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 08:19:37,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 08:19:37,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 08:19:37,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-27 08:19:37,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-10-27 08:19:37,954 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 08:19:37,954 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 08:19:37,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-27 08:19:37,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 08:19:37,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-27 08:19:37,955 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-27 08:19:37,955 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-27 08:19:37,955 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2020-10-27 08:19:37,955 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2020-10-27 08:19:37,955 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2020-10-27 08:19:37,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_6 [2020-10-27 08:19:37,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_7 [2020-10-27 08:19:37,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-27 08:19:37,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-27 08:19:37,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-27 08:19:37,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-27 08:19:37,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-27 08:19:37,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-10-27 08:19:37,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-27 08:19:37,957 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2020-10-27 08:19:37,957 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2020-10-27 08:19:37,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2020-10-27 08:19:37,957 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-10-27 08:19:37,958 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-10-27 08:19:37,958 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2020-10-27 08:19:37,958 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2020-10-27 08:19:37,958 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2020-10-27 08:19:37,958 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2020-10-27 08:19:37,958 INFO L138 BoogieDeclarations]: Found implementation of procedure readable [2020-10-27 08:19:37,958 INFO L138 BoogieDeclarations]: Found implementation of procedure checksum [2020-10-27 08:19:37,959 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2020-10-27 08:19:37,959 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2020-10-27 08:19:37,959 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_mem [2020-10-27 08:19:37,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2020-10-27 08:19:37,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_common_align [2020-10-27 08:19:37,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_align [2020-10-27 08:19:37,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2020-10-27 08:19:37,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_find_io_region [2020-10-27 08:19:37,960 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2020-10-27 08:19:37,960 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2020-10-27 08:19:37,960 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2020-10-27 08:19:37,960 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2020-10-27 08:19:37,960 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_autoadd_resources [2020-10-27 08:19:37,960 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2020-10-27 08:19:37,960 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2020-10-27 08:19:37,961 INFO L138 BoogieDeclarations]: Found implementation of procedure show_io_db [2020-10-27 08:19:37,961 INFO L138 BoogieDeclarations]: Found implementation of procedure store_io_db [2020-10-27 08:19:37,961 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mem_db [2020-10-27 08:19:37,961 INFO L138 BoogieDeclarations]: Found implementation of procedure store_mem_db [2020-10-27 08:19:37,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2020-10-27 08:19:37,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_remove_rsrc [2020-10-27 08:19:37,961 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_init [2020-10-27 08:19:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_exit [2020-10-27 08:19:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 08:19:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2020-10-27 08:19:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2020-10-27 08:19:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2020-10-27 08:19:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_18 [2020-10-27 08:19:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2020-10-27 08:19:37,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2020-10-27 08:19:37,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2020-10-27 08:19:37,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2020-10-27 08:19:37,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2020-10-27 08:19:37,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_24 [2020-10-27 08:19:37,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2020-10-27 08:19:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2020-10-27 08:19:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2020-10-27 08:19:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2020-10-27 08:19:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2020-10-27 08:19:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2020-10-27 08:19:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2020-10-27 08:19:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-27 08:19:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-27 08:19:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-27 08:19:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-27 08:19:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-27 08:19:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-27 08:19:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-27 08:19:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-27 08:19:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-27 08:19:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-27 08:19:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-27 08:19:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-27 08:19:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-27 08:19:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-27 08:19:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-27 08:19:37,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-27 08:19:37,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-27 08:19:37,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-27 08:19:37,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-27 08:19:37,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-27 08:19:37,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-27 08:19:37,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-27 08:19:37,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-27 08:19:37,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-27 08:19:37,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2020-10-27 08:19:37,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2020-10-27 08:19:37,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2020-10-27 08:19:37,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2020-10-27 08:19:37,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2020-10-27 08:19:37,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2020-10-27 08:19:37,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2020-10-27 08:19:37,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-27 08:19:37,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-27 08:19:37,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-27 08:19:37,969 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2020-10-27 08:19:37,969 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2020-10-27 08:19:37,970 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_register [2020-10-27 08:19:37,970 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_unregister [2020-10-27 08:19:37,970 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-27 08:19:37,970 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-10-27 08:19:37,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2020-10-27 08:19:37,970 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2020-10-27 08:19:37,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_6 [2020-10-27 08:19:37,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_7 [2020-10-27 08:19:37,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_setup_6 [2020-10-27 08:19:37,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_setup_7 [2020-10-27 08:19:37,971 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-27 08:19:37,971 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-27 08:19:37,971 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-27 08:19:37,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2020-10-27 08:19:37,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_parent_resource [2020-10-27 08:19:37,972 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-27 08:19:37,972 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2020-10-27 08:19:37,972 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2020-10-27 08:19:37,972 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2020-10-27 08:19:37,972 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2020-10-27 08:19:37,972 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-27 08:19:37,973 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 08:19:37,973 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 08:19:37,973 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 08:19:37,973 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 08:19:37,973 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 08:19:37,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 08:19:37,974 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-27 08:19:37,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-27 08:19:37,974 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-27 08:19:37,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-27 08:19:37,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-27 08:19:37,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-27 08:19:37,974 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-27 08:19:37,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-27 08:19:37,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-27 08:19:37,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-10-27 08:19:37,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-27 08:19:37,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-27 08:19:37,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-27 08:19:37,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-27 08:19:37,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-27 08:19:37,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-27 08:19:37,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-27 08:19:37,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 08:19:37,976 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 08:19:37,976 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 08:19:37,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-27 08:19:37,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 08:19:37,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 08:19:37,977 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-27 08:19:37,977 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-27 08:19:37,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-27 08:19:37,977 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-27 08:19:37,977 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2020-10-27 08:19:37,977 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2020-10-27 08:19:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 08:19:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 08:19:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2020-10-27 08:19:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 08:19:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_setup_6 [2020-10-27 08:19:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_7 [2020-10-27 08:19:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_setup_7 [2020-10-27 08:19:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_6 [2020-10-27 08:19:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_6 [2020-10-27 08:19:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_7 [2020-10-27 08:19:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-27 08:19:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-27 08:19:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-27 08:19:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-27 08:19:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-10-27 08:19:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_18 [2020-10-27 08:19:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2020-10-27 08:19:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2020-10-27 08:19:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2020-10-27 08:19:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2020-10-27 08:19:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2020-10-27 08:19:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2020-10-27 08:19:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2020-10-27 08:19:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2020-10-27 08:19:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2020-10-27 08:19:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2020-10-27 08:19:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2020-10-27 08:19:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2020-10-27 08:19:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_24 [2020-10-27 08:19:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2020-10-27 08:19:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2020-10-27 08:19:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2020-10-27 08:19:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2020-10-27 08:19:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2020-10-27 08:19:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2020-10-27 08:19:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2020-10-27 08:19:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2020-10-27 08:19:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2020-10-27 08:19:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2020-10-27 08:19:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2020-10-27 08:19:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-10-27 08:19:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2020-10-27 08:19:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-10-27 08:19:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2020-10-27 08:19:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2020-10-27 08:19:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-10-27 08:19:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 08:19:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-27 08:19:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_register [2020-10-27 08:19:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_unregister [2020-10-27 08:19:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-10-27 08:19:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-27 08:19:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-10-27 08:19:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_parent_resource [2020-10-27 08:19:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2020-10-27 08:19:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2020-10-27 08:19:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2020-10-27 08:19:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2020-10-27 08:19:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2020-10-27 08:19:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure readable [2020-10-27 08:19:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-27 08:19:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 08:19:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure checksum [2020-10-27 08:19:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2020-10-27 08:19:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-10-27 08:19:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2020-10-27 08:19:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure validate_mem [2020-10-27 08:19:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2020-10-27 08:19:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_common_align [2020-10-27 08:19:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_align [2020-10-27 08:19:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2020-10-27 08:19:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_find_io_region [2020-10-27 08:19:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2020-10-27 08:19:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2020-10-27 08:19:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2020-10-27 08:19:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2020-10-27 08:19:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_autoadd_resources [2020-10-27 08:19:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2020-10-27 08:19:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2020-10-27 08:19:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure show_io_db [2020-10-27 08:19:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure store_io_db [2020-10-27 08:19:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure show_mem_db [2020-10-27 08:19:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure store_mem_db [2020-10-27 08:19:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2020-10-27 08:19:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_remove_rsrc [2020-10-27 08:19:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_init [2020-10-27 08:19:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_exit [2020-10-27 08:19:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-27 08:19:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-27 08:19:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 08:19:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-27 08:19:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-27 08:19:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-27 08:19:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-27 08:19:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-27 08:19:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-27 08:19:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-27 08:19:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-27 08:19:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-27 08:19:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-27 08:19:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-27 08:19:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-27 08:19:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-27 08:19:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-27 08:19:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-27 08:19:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-27 08:19:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2020-10-27 08:19:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2020-10-27 08:19:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2020-10-27 08:19:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2020-10-27 08:19:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2020-10-27 08:19:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 08:19:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 08:19:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 08:19:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 08:19:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 08:19:41,278 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 08:19:41,278 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 08:19:41,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:19:41 BoogieIcfgContainer [2020-10-27 08:19:41,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 08:19:41,284 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 08:19:41,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 08:19:41,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 08:19:41,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:19:35" (1/3) ... [2020-10-27 08:19:41,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4218e5a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:19:41, skipping insertion in model container [2020-10-27 08:19:41,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:19:37" (2/3) ... [2020-10-27 08:19:41,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4218e5a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:19:41, skipping insertion in model container [2020-10-27 08:19:41,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:19:41" (3/3) ... [2020-10-27 08:19:41,292 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2020-10-27 08:19:41,303 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 08:19:41,309 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 08:19:41,322 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 08:19:41,355 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 08:19:41,355 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 08:19:41,355 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 08:19:41,356 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 08:19:41,356 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 08:19:41,356 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 08:19:41,356 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 08:19:41,356 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 08:19:41,393 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states. [2020-10-27 08:19:41,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-27 08:19:41,411 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:19:41,412 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] [2020-10-27 08:19:41,413 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:19:41,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:19:41,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1979210053, now seen corresponding path program 1 times [2020-10-27 08:19:41,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:19:41,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1887317792] [2020-10-27 08:19:41,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:19:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:19:41,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:19:42,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:19:43,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:19:43,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 08:19:43,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:19:43,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1499 [2020-10-27 08:19:43,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:19:43,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:19:43,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 08:19:43,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 08:19:43,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 08:19:45,334 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-27 08:19:45,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:19:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:19:45,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:19:45,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:19:45,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:19:45,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:19:45,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-27 08:19:45,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:19:45,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:19:45,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:19:45,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:19:45,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:19:45,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:19:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:19:45,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:19:45,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:19:45,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:19:45,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:19:45,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:19:45,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:19:45,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:19:45,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:19:45,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:19:45,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:19:45,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 08:19:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:19:45,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:19:45,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:19:45,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 08:19:45,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:19:45,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:19:45,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:19:45,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:19:45,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:19:45,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 08:19:45,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:19:45,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:19:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:19:45,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:19:45,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:19:45,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:19:45,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:19:45,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:19:45,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:19:45,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:19:45,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:19:45,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:19:45,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:19:45,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 08:19:45,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1887317792] [2020-10-27 08:19:45,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:19:45,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 08:19:45,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423490711] [2020-10-27 08:19:45,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 08:19:45,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:19:45,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 08:19:45,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 08:19:45,624 INFO L87 Difference]: Start difference. First operand 979 states. Second operand 5 states. [2020-10-27 08:19:47,871 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-27 08:20:03,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:20:03,672 INFO L93 Difference]: Finished difference Result 1962 states and 2877 transitions. [2020-10-27 08:20:03,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 08:20:03,678 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-27 08:20:03,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:20:03,706 INFO L225 Difference]: With dead ends: 1962 [2020-10-27 08:20:03,706 INFO L226 Difference]: Without dead ends: 1113 [2020-10-27 08:20:03,727 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 [2020-10-27 08:20:03,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2020-10-27 08:20:04,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 840. [2020-10-27 08:20:04,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 840 states. [2020-10-27 08:20:04,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1146 transitions. [2020-10-27 08:20:04,200 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1146 transitions. Word has length 36 [2020-10-27 08:20:04,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:20:04,202 INFO L481 AbstractCegarLoop]: Abstraction has 840 states and 1146 transitions. [2020-10-27 08:20:04,202 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 08:20:04,202 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1146 transitions. [2020-10-27 08:20:04,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-27 08:20:04,210 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:20:04,210 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] [2020-10-27 08:20:04,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 08:20:04,211 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:20:04,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:20:04,212 INFO L82 PathProgramCache]: Analyzing trace with hash -847971055, now seen corresponding path program 1 times [2020-10-27 08:20:04,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:20:04,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1834567158] [2020-10-27 08:20:04,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:20:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:20:04,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:20:04,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:20:05,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:20:08,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:20:08,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-27 08:20:08,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 08:20:08,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4098 [2020-10-27 08:20:08,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:20:08,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 08:20:08,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 08:20:08,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 08:20:08,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:20:10,342 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-27 08:20:10,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:20:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:20:10,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:20:10,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:20:10,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:20:10,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:20:10,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 08:20:10,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:20:10,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:20:10,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:20:10,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:20:10,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:20:10,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:20:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:20:10,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:20:10,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:20:10,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:20:10,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:20:10,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:20:10,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:20:10,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:20:10,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:20:10,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:20:10,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:20:10,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 08:20:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:20:10,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:20:10,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:20:10,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:20:10,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:20:10,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 08:20:10,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:20:10,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:20:10,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:20:10,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 08:20:10,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:20:10,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:20:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:20:10,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:20:10,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:20:10,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:20:10,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:20:10,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:20:10,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:20:10,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:20:10,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:20:10,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:20:10,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:20:10,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 08:20:10,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1834567158] [2020-10-27 08:20:10,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:20:10,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 08:20:10,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122496593] [2020-10-27 08:20:10,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 08:20:10,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:20:10,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 08:20:10,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 08:20:10,586 INFO L87 Difference]: Start difference. First operand 840 states and 1146 transitions. Second operand 6 states. [2020-10-27 08:20:12,914 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-27 08:20:36,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:20:36,344 INFO L93 Difference]: Finished difference Result 2517 states and 3620 transitions. [2020-10-27 08:20:36,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 08:20:36,345 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2020-10-27 08:20:36,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:20:36,360 INFO L225 Difference]: With dead ends: 2517 [2020-10-27 08:20:36,360 INFO L226 Difference]: Without dead ends: 1687 [2020-10-27 08:20:36,365 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-27 08:20:36,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2020-10-27 08:20:36,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1199. [2020-10-27 08:20:36,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1199 states. [2020-10-27 08:20:36,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1199 states and 1624 transitions. [2020-10-27 08:20:36,790 INFO L78 Accepts]: Start accepts. Automaton has 1199 states and 1624 transitions. Word has length 42 [2020-10-27 08:20:36,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:20:36,791 INFO L481 AbstractCegarLoop]: Abstraction has 1199 states and 1624 transitions. [2020-10-27 08:20:36,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 08:20:36,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1624 transitions. [2020-10-27 08:20:36,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-27 08:20:36,794 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:20:36,794 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] [2020-10-27 08:20:36,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 08:20:36,795 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:20:36,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:20:36,795 INFO L82 PathProgramCache]: Analyzing trace with hash 670417295, now seen corresponding path program 1 times [2020-10-27 08:20:36,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:20:36,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2070757720] [2020-10-27 08:20:36,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:20:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:20:36,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:20:36,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:20:37,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:20:37,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 08:20:37,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:20:37,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 839 [2020-10-27 08:20:37,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:20:37,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:20:37,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 08:20:37,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 08:20:37,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:20:39,528 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-27 08:20:39,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:20:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:20:39,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:20:39,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:20:39,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:20:39,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:20:39,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-27 08:20:39,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:20:39,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:20:39,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:20:39,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:20:39,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:20:39,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:20:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:20:39,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:20:39,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:20:39,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:20:39,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:20:39,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:20:39,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:20:39,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:20:39,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:20:39,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:20:39,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:20:39,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 08:20:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:20:39,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:20:39,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:20:39,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 08:20:39,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:20:39,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:20:39,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:20:39,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:20:39,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:20:39,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 08:20:39,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:20:39,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:20:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:20:39,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:20:39,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:20:39,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:20:39,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:20:39,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:20:39,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:20:39,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:20:39,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:20:39,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:20:39,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:20:39,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 08:20:39,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2070757720] [2020-10-27 08:20:39,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:20:39,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 08:20:39,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625867455] [2020-10-27 08:20:39,818 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 08:20:39,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:20:39,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 08:20:39,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 08:20:39,820 INFO L87 Difference]: Start difference. First operand 1199 states and 1624 transitions. Second operand 5 states. [2020-10-27 08:20:42,077 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-27 08:20:57,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:20:57,297 INFO L93 Difference]: Finished difference Result 1637 states and 2343 transitions. [2020-10-27 08:20:57,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 08:20:57,297 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-10-27 08:20:57,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:20:57,308 INFO L225 Difference]: With dead ends: 1637 [2020-10-27 08:20:57,309 INFO L226 Difference]: Without dead ends: 1632 [2020-10-27 08:20:57,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 08:20:57,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2020-10-27 08:20:57,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1198. [2020-10-27 08:20:57,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1198 states. [2020-10-27 08:20:57,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 1622 transitions. [2020-10-27 08:20:57,639 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 1622 transitions. Word has length 37 [2020-10-27 08:20:57,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:20:57,639 INFO L481 AbstractCegarLoop]: Abstraction has 1198 states and 1622 transitions. [2020-10-27 08:20:57,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 08:20:57,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1622 transitions. [2020-10-27 08:20:57,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-27 08:20:57,642 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:20:57,642 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] [2020-10-27 08:20:57,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 08:20:57,643 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:20:57,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:20:57,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1242775352, now seen corresponding path program 1 times [2020-10-27 08:20:57,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:20:57,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352525405] [2020-10-27 08:20:57,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:20:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:20:57,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:20:57,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:20:58,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:20:58,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-27 08:20:58,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:20:58,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 809 [2020-10-27 08:20:58,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:20:58,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:20:58,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 08:20:58,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 08:20:58,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:21:00,365 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-27 08:21:00,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:21:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:21:00,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:21:00,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:21:00,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:21:00,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:21:00,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-27 08:21:00,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:21:00,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:21:00,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:21:00,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:21:00,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:21:00,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:21:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:21:00,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:21:00,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:21:00,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:21:00,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:21:00,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:21:00,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:21:00,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:21:00,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:21:00,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:21:00,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:21:00,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 08:21:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:21:00,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:21:00,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:21:00,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 08:21:00,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:21:00,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 08:21:00,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:21:00,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:21:00,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:21:00,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 08:21:00,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:21:00,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:21:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:21:00,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:21:00,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:21:00,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:21:00,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:21:00,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:21:00,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:21:00,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:21:00,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:21:00,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:21:00,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:21:00,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 08:21:00,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352525405] [2020-10-27 08:21:00,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:21:00,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 08:21:00,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610869834] [2020-10-27 08:21:00,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 08:21:00,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:21:00,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 08:21:00,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 08:21:00,696 INFO L87 Difference]: Start difference. First operand 1198 states and 1622 transitions. Second operand 5 states. [2020-10-27 08:21:03,003 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-27 08:21:17,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:21:17,748 INFO L93 Difference]: Finished difference Result 1636 states and 2341 transitions. [2020-10-27 08:21:17,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 08:21:17,748 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2020-10-27 08:21:17,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:21:17,759 INFO L225 Difference]: With dead ends: 1636 [2020-10-27 08:21:17,760 INFO L226 Difference]: Without dead ends: 1619 [2020-10-27 08:21:17,761 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 [2020-10-27 08:21:17,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1619 states. [2020-10-27 08:21:18,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1619 to 1185. [2020-10-27 08:21:18,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1185 states. [2020-10-27 08:21:18,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1607 transitions. [2020-10-27 08:21:18,117 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1607 transitions. Word has length 38 [2020-10-27 08:21:18,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:21:18,118 INFO L481 AbstractCegarLoop]: Abstraction has 1185 states and 1607 transitions. [2020-10-27 08:21:18,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 08:21:18,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1607 transitions. [2020-10-27 08:21:18,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-27 08:21:18,121 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:21:18,121 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:21:18,122 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 08:21:18,122 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:21:18,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:21:18,122 INFO L82 PathProgramCache]: Analyzing trace with hash 401130153, now seen corresponding path program 1 times [2020-10-27 08:21:18,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:21:18,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [371639558] [2020-10-27 08:21:18,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:21:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:21:18,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:21:18,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:21:18,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:21:21,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:21:21,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-27 08:21:21,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 08:21:21,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3380 [2020-10-27 08:21:21,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:21:21,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:21:21,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 08:21:21,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 08:21:21,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:21:23,502 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-27 08:21:23,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:21:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:21:23,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:21:23,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:21:23,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:21:23,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:21:23,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-27 08:21:23,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:21:23,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:21:23,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:21:23,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:21:23,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:21:23,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:21:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:21:23,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:21:23,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:21:23,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:21:23,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:21:23,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:21:23,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:21:23,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:21:23,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:21:23,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:21:23,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:21:23,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 08:21:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:21:23,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:21:23,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:21:23,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:21:23,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:21:23,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:21:23,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:21:23,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:21:23,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 08:21:23,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:21:23,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:21:23,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:21:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:21:23,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:21:23,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:21:23,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:21:23,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:21:23,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:21:23,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:21:23,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:21:23,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:21:23,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:21:23,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:21:23,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 08:21:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:21:23,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:21:23,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:21:23,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 08:21:23,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:21:23,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:21:23,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:21:23,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:21:23,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 08:21:23,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:21:23,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:21:23,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:21:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:21:23,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:21:23,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:21:23,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 08:21:23,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:21:23,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:21:23,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:21:23,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:21:23,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:21:23,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:21:23,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:21:23,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 08:21:23,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:21:23,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:21:23,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:21:23,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:21:23,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:21:23,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:21:23,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:21:23,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:21:23,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:21:23,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:21:23,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:21:23,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 08:21:23,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [371639558] [2020-10-27 08:21:23,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:21:23,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 08:21:23,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768721162] [2020-10-27 08:21:23,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 08:21:23,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:21:23,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 08:21:23,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-27 08:21:23,802 INFO L87 Difference]: Start difference. First operand 1185 states and 1607 transitions. Second operand 7 states. [2020-10-27 08:21:25,827 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-27 08:21:52,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:21:52,778 INFO L93 Difference]: Finished difference Result 4604 states and 6635 transitions. [2020-10-27 08:21:52,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 08:21:52,779 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2020-10-27 08:21:52,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:21:52,803 INFO L225 Difference]: With dead ends: 4604 [2020-10-27 08:21:52,803 INFO L226 Difference]: Without dead ends: 3430 [2020-10-27 08:21:52,810 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2020-10-27 08:21:52,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3430 states. [2020-10-27 08:21:53,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3430 to 2296. [2020-10-27 08:21:53,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2296 states. [2020-10-27 08:21:53,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 2296 states and 3119 transitions. [2020-10-27 08:21:53,679 INFO L78 Accepts]: Start accepts. Automaton has 2296 states and 3119 transitions. Word has length 56 [2020-10-27 08:21:53,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:21:53,680 INFO L481 AbstractCegarLoop]: Abstraction has 2296 states and 3119 transitions. [2020-10-27 08:21:53,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 08:21:53,680 INFO L276 IsEmpty]: Start isEmpty. Operand 2296 states and 3119 transitions. [2020-10-27 08:21:53,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-27 08:21:53,684 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:21:53,684 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:21:53,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 08:21:53,684 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:21:53,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:21:53,685 INFO L82 PathProgramCache]: Analyzing trace with hash -1822399835, now seen corresponding path program 1 times [2020-10-27 08:21:53,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:21:53,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [700808780] [2020-10-27 08:21:53,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:21:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:21:53,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:21:53,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:21:54,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:21:56,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:21:56,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 08:21:56,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 08:21:56,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2876 [2020-10-27 08:21:56,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:21:56,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:21:56,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 08:21:56,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 08:21:56,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:21:58,634 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-27 08:21:58,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:21:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:21:58,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:21:58,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:21:58,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:21:58,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:21:58,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-27 08:21:58,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:21:58,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:21:58,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:21:58,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:21:58,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:21:58,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:21:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:21:58,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:21:58,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:21:58,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:21:58,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:21:58,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:21:58,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:21:58,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:21:58,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:21:58,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:21:58,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:21:58,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 08:21:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:21:58,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:21:58,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:21:58,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:21:58,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:21:58,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:21:58,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:21:58,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:21:58,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 08:21:58,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:21:58,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:21:58,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:21:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:21:58,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:21:58,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:21:58,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:21:58,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:21:58,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:21:58,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:21:58,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:21:58,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:21:58,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:21:58,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:21:58,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 08:21:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:21:58,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:21:58,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:21:58,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 08:21:58,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:21:58,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:21:58,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:21:58,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:21:58,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 08:21:58,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:21:58,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:21:58,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:21:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:21:58,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:21:58,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:21:58,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 08:21:58,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:21:58,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:21:58,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:21:58,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:21:58,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:21:58,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:21:58,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:21:58,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 08:21:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:21:58,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:21:58,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:21:58,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:21:58,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:21:58,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:21:58,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:21:58,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:21:58,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:21:58,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:21:58,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:21:58,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 08:21:58,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [700808780] [2020-10-27 08:21:58,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:21:58,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 08:21:58,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422568239] [2020-10-27 08:21:58,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 08:21:58,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:21:58,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 08:21:58,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-27 08:21:58,893 INFO L87 Difference]: Start difference. First operand 2296 states and 3119 transitions. Second operand 7 states. [2020-10-27 08:22:01,496 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-27 08:22:35,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:22:35,836 INFO L93 Difference]: Finished difference Result 8048 states and 11580 transitions. [2020-10-27 08:22:35,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 08:22:35,839 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2020-10-27 08:22:35,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:22:35,878 INFO L225 Difference]: With dead ends: 8048 [2020-10-27 08:22:35,878 INFO L226 Difference]: Without dead ends: 5763 [2020-10-27 08:22:35,889 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2020-10-27 08:22:35,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5763 states. [2020-10-27 08:22:37,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5763 to 3842. [2020-10-27 08:22:37,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3842 states. [2020-10-27 08:22:37,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3842 states to 3842 states and 5226 transitions. [2020-10-27 08:22:37,472 INFO L78 Accepts]: Start accepts. Automaton has 3842 states and 5226 transitions. Word has length 60 [2020-10-27 08:22:37,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:22:37,472 INFO L481 AbstractCegarLoop]: Abstraction has 3842 states and 5226 transitions. [2020-10-27 08:22:37,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 08:22:37,472 INFO L276 IsEmpty]: Start isEmpty. Operand 3842 states and 5226 transitions. [2020-10-27 08:22:37,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-27 08:22:37,480 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:22:37,480 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] [2020-10-27 08:22:37,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 08:22:37,481 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:22:37,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:22:37,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1707690591, now seen corresponding path program 1 times [2020-10-27 08:22:37,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:22:37,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1288891886] [2020-10-27 08:22:37,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:22:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:22:37,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:22:38,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:22:38,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-27 08:22:38,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:22:38,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 981 [2020-10-27 08:22:38,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:22:38,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 08:22:38,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-27 08:22:38,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 08:22:38,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:22:40,635 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-27 08:22:40,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:22:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:22:40,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:22:40,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:22:40,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:22:40,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:22:40,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-27 08:22:40,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:22:40,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:22:40,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:22:40,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:22:40,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:22:40,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:22:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:22:40,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:22:40,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:22:40,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:22:40,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:22:40,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:22:40,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:22:40,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:22:40,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:22:40,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:22:40,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:22:40,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 08:22:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:22:40,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:22:40,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:22:40,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:22:40,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:22:40,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:22:40,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:22:40,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:22:40,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:22:40,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:22:40,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:22:40,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:22:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:22:40,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:22:40,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:22:40,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:22:40,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:22:40,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:22:40,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:22:40,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:22:40,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:22:40,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:22:40,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:22:40,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 08:22:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:22:40,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:22:40,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:22:40,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:22:40,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:22:40,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:22:40,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:22:40,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:22:40,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:22:40,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:22:40,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:22:40,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:22:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:22:40,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:22:40,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:22:40,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:22:40,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:22:40,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:22:40,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:22:40,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:22:40,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:22:40,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:22:40,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:22:40,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 08:22:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:22:40,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:22:40,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:22:40,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 08:22:40,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:22:40,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:22:40,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:22:40,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:22:40,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:22:40,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 08:22:40,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:22:40,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:22:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:22:40,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:22:40,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:22:40,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 08:22:40,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:22:40,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:22:40,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:22:40,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:22:40,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:22:40,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:22:40,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:22:40,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 08:22:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:22:40,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:22:40,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:22:40,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:22:40,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:22:40,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:22:40,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:22:40,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:22:40,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:22:40,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:22:40,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:22:40,982 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 08:22:40,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1288891886] [2020-10-27 08:22:40,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:22:40,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 08:22:40,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157431396] [2020-10-27 08:22:40,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 08:22:40,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:22:40,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 08:22:40,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-27 08:22:40,986 INFO L87 Difference]: Start difference. First operand 3842 states and 5226 transitions. Second operand 7 states. [2020-10-27 08:22:48,788 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-27 08:23:06,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:23:06,758 INFO L93 Difference]: Finished difference Result 6229 states and 8961 transitions. [2020-10-27 08:23:06,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 08:23:06,759 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 80 [2020-10-27 08:23:06,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:23:06,793 INFO L225 Difference]: With dead ends: 6229 [2020-10-27 08:23:06,793 INFO L226 Difference]: Without dead ends: 5529 [2020-10-27 08:23:06,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-10-27 08:23:06,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5529 states. [2020-10-27 08:23:07,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5529 to 3720. [2020-10-27 08:23:07,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3720 states. [2020-10-27 08:23:07,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3720 states to 3720 states and 5032 transitions. [2020-10-27 08:23:07,988 INFO L78 Accepts]: Start accepts. Automaton has 3720 states and 5032 transitions. Word has length 80 [2020-10-27 08:23:07,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:23:07,988 INFO L481 AbstractCegarLoop]: Abstraction has 3720 states and 5032 transitions. [2020-10-27 08:23:07,988 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 08:23:07,989 INFO L276 IsEmpty]: Start isEmpty. Operand 3720 states and 5032 transitions. [2020-10-27 08:23:08,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-27 08:23:08,002 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:23:08,003 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:23:08,003 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 08:23:08,003 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:23:08,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:23:08,003 INFO L82 PathProgramCache]: Analyzing trace with hash 7855129, now seen corresponding path program 1 times [2020-10-27 08:23:08,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:23:08,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1204529298] [2020-10-27 08:23:08,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:23:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:23:08,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:23:08,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:23:08,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:23:08,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:23:08,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:23:08,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:23:09,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:23:13,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:23:13,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-27 08:23:13,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 08:23:13,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5172 [2020-10-27 08:23:13,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:23:13,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 08:23:13,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:23:13,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 08:23:13,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:23:15,223 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-27 08:23:15,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:23:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:23:15,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:23:15,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:23:15,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:23:15,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:23:15,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-10-27 08:23:15,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:23:15,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:23:15,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:23:15,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:23:15,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:23:15,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:23:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:23:15,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:23:15,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:23:15,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:23:15,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:23:15,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:23:15,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:23:15,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:23:15,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:23:15,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:23:15,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:23:15,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 08:23:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:23:15,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:23:15,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking...