/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 08:22:18,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 08:22:18,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 08:22:18,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 08:22:18,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 08:22:18,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 08:22:18,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 08:22:18,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 08:22:18,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 08:22:18,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 08:22:18,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 08:22:18,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 08:22:18,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 08:22:18,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 08:22:18,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 08:22:18,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 08:22:18,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 08:22:18,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 08:22:18,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 08:22:18,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 08:22:18,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 08:22:18,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 08:22:18,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 08:22:18,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 08:22:18,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 08:22:18,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 08:22:18,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 08:22:18,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 08:22:18,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 08:22:18,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 08:22:18,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 08:22:18,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 08:22:18,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 08:22:18,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 08:22:18,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 08:22:18,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 08:22:18,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 08:22:18,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 08:22:18,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 08:22:18,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 08:22:18,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 08:22:18,426 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-28 08:22:18,452 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 08:22:18,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 08:22:18,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 08:22:18,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 08:22:18,455 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 08:22:18,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 08:22:18,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 08:22:18,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 08:22:18,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 08:22:18,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 08:22:18,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 08:22:18,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 08:22:18,456 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 08:22:18,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 08:22:18,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 08:22:18,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 08:22:18,457 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 08:22:18,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 08:22:18,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 08:22:18,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 08:22:18,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 08:22:18,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 08:22:18,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 08:22:18,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 08:22:18,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 08:22:18,459 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 08:22:18,459 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 08:22:18,459 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 08:22:18,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 08:22:18,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 08:22:18,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 08:22:18,971 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 08:22:18,972 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 08:22:18,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2020-10-28 08:22:19,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fe12dabf8/bfce443398ca47e39d7e2171364267bb/FLAG4c50376e6 [2020-10-28 08:22:19,971 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 08:22:19,972 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2020-10-28 08:22:20,011 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fe12dabf8/bfce443398ca47e39d7e2171364267bb/FLAG4c50376e6 [2020-10-28 08:22:20,039 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fe12dabf8/bfce443398ca47e39d7e2171364267bb [2020-10-28 08:22:20,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 08:22:20,059 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 08:22:20,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 08:22:20,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 08:22:20,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 08:22:20,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:22:20" (1/1) ... [2020-10-28 08:22:20,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24a35e35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:22:20, skipping insertion in model container [2020-10-28 08:22:20,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:22:20" (1/1) ... [2020-10-28 08:22:20,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 08:22:20,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 08:22:21,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 08:22:21,376 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 08:22:21,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 08:22:21,914 INFO L208 MainTranslator]: Completed translation [2020-10-28 08:22:21,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:22:21 WrapperNode [2020-10-28 08:22:21,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 08:22:21,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 08:22:21,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 08:22:21,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 08:22:21,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:22:21" (1/1) ... [2020-10-28 08:22:21,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:22:21" (1/1) ... [2020-10-28 08:22:22,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:22:21" (1/1) ... [2020-10-28 08:22:22,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:22:21" (1/1) ... [2020-10-28 08:22:22,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:22:21" (1/1) ... [2020-10-28 08:22:22,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:22:21" (1/1) ... [2020-10-28 08:22:22,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:22:21" (1/1) ... [2020-10-28 08:22:22,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 08:22:22,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 08:22:22,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 08:22:22,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 08:22:22,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:22:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 08:22:22,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 08:22:22,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 08:22:22,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2020-10-28 08:22:22,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2020-10-28 08:22:22,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-10-28 08:22:22,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 08:22:22,265 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 08:22:22,266 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-28 08:22:22,266 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2020-10-28 08:22:22,266 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-28 08:22:22,266 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-28 08:22:22,266 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-28 08:22:22,266 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-28 08:22:22,267 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-28 08:22:22,267 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2020-10-28 08:22:22,267 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2020-10-28 08:22:22,267 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2020-10-28 08:22:22,267 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2020-10-28 08:22:22,267 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-28 08:22:22,267 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create_kmalloc_pool [2020-10-28 08:22:22,268 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2020-10-28 08:22:22,268 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2020-10-28 08:22:22,268 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2020-10-28 08:22:22,268 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2020-10-28 08:22:22,268 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2020-10-28 08:22:22,268 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2020-10-28 08:22:22,269 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2020-10-28 08:22:22,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 08:22:22,269 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2020-10-28 08:22:22,269 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 08:22:22,269 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 08:22:22,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 08:22:22,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 08:22:22,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 08:22:22,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 08:22:22,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 08:22:22,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 08:22:22,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 08:22:22,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 08:22:22,270 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2020-10-28 08:22:22,271 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2020-10-28 08:22:22,271 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2020-10-28 08:22:22,271 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_add_buf [2020-10-28 08:22:22,271 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2020-10-28 08:22:22,271 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2020-10-28 08:22:22,271 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_find_single_vq [2020-10-28 08:22:22,271 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_done [2020-10-28 08:22:22,272 INFO L138 BoogieDeclarations]: Found implementation of procedure do_req [2020-10-28 08:22:22,272 INFO L138 BoogieDeclarations]: Found implementation of procedure do_virtblk_request [2020-10-28 08:22:22,272 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_prepare_flush [2020-10-28 08:22:22,272 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_get_id [2020-10-28 08:22:22,272 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_ioctl [2020-10-28 08:22:22,272 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_getgeo [2020-10-28 08:22:22,272 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2020-10-28 08:22:22,272 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_probe [2020-10-28 08:22:22,273 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2020-10-28 08:22:22,273 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-28 08:22:22,273 INFO L138 BoogieDeclarations]: Found implementation of procedure fini [2020-10-28 08:22:22,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_virtio_driver_1 [2020-10-28 08:22:22,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_block_device_operations_2 [2020-10-28 08:22:22,273 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 08:22:22,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2020-10-28 08:22:22,274 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-28 08:22:22,274 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-28 08:22:22,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_make_request_5 [2020-10-28 08:22:22,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-28 08:22:22,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-28 08:22:22,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-28 08:22:22,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-28 08:22:22,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-28 08:22:22,275 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR___0 [2020-10-28 08:22:22,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_get_request [2020-10-28 08:22:22,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_make_request [2020-10-28 08:22:22,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_blk_rq [2020-10-28 08:22:22,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 08:22:22,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_all [2020-10-28 08:22:22,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2020-10-28 08:22:22,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-28 08:22:22,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-10-28 08:22:22,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-28 08:22:22,276 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-28 08:22:22,276 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-28 08:22:22,277 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-28 08:22:22,277 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2020-10-28 08:22:22,277 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2020-10-28 08:22:22,277 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_map_kern [2020-10-28 08:22:22,277 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2020-10-28 08:22:22,277 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2020-10-28 08:22:22,277 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_execute_rq [2020-10-28 08:22:22,278 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_queue [2020-10-28 08:22:22,278 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_peek_request [2020-10-28 08:22:22,278 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_alignment_offset [2020-10-28 08:22:22,278 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_bounce_limit [2020-10-28 08:22:22,278 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_io_min [2020-10-28 08:22:22,278 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_io_opt [2020-10-28 08:22:22,278 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_logical_block_size [2020-10-28 08:22:22,278 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_hw_sectors [2020-10-28 08:22:22,279 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2020-10-28 08:22:22,279 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segments [2020-10-28 08:22:22,279 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2020-10-28 08:22:22,279 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_physical_block_size [2020-10-28 08:22:22,279 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_map_sg [2020-10-28 08:22:22,279 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2020-10-28 08:22:22,279 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_request [2020-10-28 08:22:22,280 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_stop_queue [2020-10-28 08:22:22,280 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2020-10-28 08:22:22,280 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2020-10-28 08:22:22,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 08:22:22,280 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-28 08:22:22,280 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2020-10-28 08:22:22,280 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_alloc [2020-10-28 08:22:22,280 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create [2020-10-28 08:22:22,281 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2020-10-28 08:22:22,281 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2020-10-28 08:22:22,281 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-28 08:22:22,281 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2020-10-28 08:22:22,281 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2020-10-28 08:22:22,281 INFO L138 BoogieDeclarations]: Found implementation of procedure register_virtio_driver [2020-10-28 08:22:22,281 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_ioctl [2020-10-28 08:22:22,282 INFO L138 BoogieDeclarations]: Found implementation of procedure set_disk_ro [2020-10-28 08:22:22,282 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2020-10-28 08:22:22,282 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2020-10-28 08:22:22,282 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_virtio_driver [2020-10-28 08:22:22,282 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_check_driver_offered_feature [2020-10-28 08:22:22,282 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_add_buf_gfp [2020-10-28 08:22:22,282 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_get_buf [2020-10-28 08:22:22,283 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_kick [2020-10-28 08:22:22,283 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 08:22:22,283 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 08:22:22,283 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 08:22:22,283 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 08:22:22,283 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 08:22:22,283 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 08:22:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 08:22:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 08:22:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 08:22:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 08:22:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-28 08:22:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-28 08:22:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-28 08:22:22,285 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-10-28 08:22:22,285 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2020-10-28 08:22:22,285 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 08:22:22,285 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2020-10-28 08:22:22,285 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-28 08:22:22,285 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-28 08:22:22,286 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-28 08:22:22,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 08:22:22,286 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-28 08:22:22,286 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-28 08:22:22,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 08:22:22,286 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-28 08:22:22,286 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-28 08:22:22,286 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2020-10-28 08:22:22,287 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-28 08:22:22,287 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-28 08:22:22,287 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-28 08:22:22,287 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-28 08:22:22,287 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-28 08:22:22,287 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2020-10-28 08:22:22,287 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2020-10-28 08:22:22,288 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2020-10-28 08:22:22,288 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2020-10-28 08:22:22,288 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2020-10-28 08:22:22,288 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2020-10-28 08:22:22,288 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2020-10-28 08:22:22,288 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2020-10-28 08:22:22,288 INFO L130 BoogieDeclarations]: Found specification of procedure set_disk_ro [2020-10-28 08:22:22,288 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2020-10-28 08:22:22,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 08:22:22,289 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2020-10-28 08:22:22,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 08:22:22,289 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2020-10-28 08:22:22,289 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2020-10-28 08:22:22,289 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-28 08:22:22,289 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-28 08:22:22,289 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create [2020-10-28 08:22:22,289 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2020-10-28 08:22:22,290 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_alloc [2020-10-28 08:22:22,290 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2020-10-28 08:22:22,290 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kmalloc [2020-10-28 08:22:22,290 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kfree [2020-10-28 08:22:22,290 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create_kmalloc_pool [2020-10-28 08:22:22,290 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2020-10-28 08:22:22,290 INFO L130 BoogieDeclarations]: Found specification of procedure bio_map_kern [2020-10-28 08:22:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2020-10-28 08:22:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_make_request_5 [2020-10-28 08:22:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_ioctl [2020-10-28 08:22:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2020-10-28 08:22:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure blk_stop_queue [2020-10-28 08:22:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure blk_execute_rq [2020-10-28 08:22:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2020-10-28 08:22:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure blk_peek_request [2020-10-28 08:22:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_request [2020-10-28 08:22:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_all [2020-10-28 08:22:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_queue [2020-10-28 08:22:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2020-10-28 08:22:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_bounce_limit [2020-10-28 08:22:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2020-10-28 08:22:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segments [2020-10-28 08:22:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2020-10-28 08:22:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2020-10-28 08:22:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_physical_block_size [2020-10-28 08:22:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_alignment_offset [2020-10-28 08:22:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_min [2020-10-28 08:22:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_opt [2020-10-28 08:22:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2020-10-28 08:22:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_sg [2020-10-28 08:22:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2020-10-28 08:22:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_make_request [2020-10-28 08:22:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-28 08:22:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-28 08:22:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-28 08:22:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 08:22:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2020-10-28 08:22:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2020-10-28 08:22:22,295 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2020-10-28 08:22:22,295 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2020-10-28 08:22:22,295 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2020-10-28 08:22:22,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 08:22:22,295 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 08:22:22,295 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2020-10-28 08:22:22,295 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2020-10-28 08:22:22,295 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 08:22:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 08:22:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 08:22:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 08:22:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-28 08:22:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 08:22:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 08:22:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 08:22:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 08:22:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 08:22:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 08:22:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 08:22:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 08:22:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 08:22:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 08:22:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_virtio_driver_1 [2020-10-28 08:22:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_block_device_operations_2 [2020-10-28 08:22:22,298 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2020-10-28 08:22:22,298 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2020-10-28 08:22:22,298 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2020-10-28 08:22:22,298 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2020-10-28 08:22:22,298 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_add_buf_gfp [2020-10-28 08:22:22,298 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_add_buf [2020-10-28 08:22:22,298 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_kick [2020-10-28 08:22:22,298 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_get_buf [2020-10-28 08:22:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure register_virtio_driver [2020-10-28 08:22:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_virtio_driver [2020-10-28 08:22:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_check_driver_offered_feature [2020-10-28 08:22:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2020-10-28 08:22:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2020-10-28 08:22:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2020-10-28 08:22:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_find_single_vq [2020-10-28 08:22:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-10-28 08:22:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 08:22:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure blk_done [2020-10-28 08:22:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure do_req [2020-10-28 08:22:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure do_virtblk_request [2020-10-28 08:22:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_prepare_flush [2020-10-28 08:22:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_get_id [2020-10-28 08:22:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_ioctl [2020-10-28 08:22:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_getgeo [2020-10-28 08:22:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2020-10-28 08:22:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_probe [2020-10-28 08:22:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 08:22:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2020-10-28 08:22:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-28 08:22:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure fini [2020-10-28 08:22:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 08:22:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 08:22:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 08:22:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 08:22:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-28 08:22:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-28 08:22:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR___0 [2020-10-28 08:22:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_get_request [2020-10-28 08:22:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_blk_rq [2020-10-28 08:22:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 08:22:22,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 08:22:22,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 08:22:22,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 08:22:22,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 08:22:23,604 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 08:22:23,811 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-28 08:22:24,629 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 08:22:24,629 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 08:22:24,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:22:24 BoogieIcfgContainer [2020-10-28 08:22:24,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 08:22:24,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 08:22:24,634 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 08:22:24,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 08:22:24,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:22:20" (1/3) ... [2020-10-28 08:22:24,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5a63e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:22:24, skipping insertion in model container [2020-10-28 08:22:24,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:22:21" (2/3) ... [2020-10-28 08:22:24,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5a63e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:22:24, skipping insertion in model container [2020-10-28 08:22:24,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:22:24" (3/3) ... [2020-10-28 08:22:24,641 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2020-10-28 08:22:24,653 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 08:22:24,660 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 08:22:24,673 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 08:22:24,708 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 08:22:24,708 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 08:22:24,708 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 08:22:24,708 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 08:22:24,708 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 08:22:24,708 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 08:22:24,709 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 08:22:24,709 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 08:22:24,745 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states. [2020-10-28 08:22:24,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-28 08:22:24,756 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 08:22:24,757 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] [2020-10-28 08:22:24,758 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 08:22:24,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 08:22:24,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1536909658, now seen corresponding path program 1 times [2020-10-28 08:22:24,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 08:22:24,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2044155518] [2020-10-28 08:22:24,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 08:22:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:22:25,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:25,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:25,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:27,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:22:27,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-28 08:22:27,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 08:22:27,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2470 [2020-10-28 08:22:27,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:22:27,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 08:22:27,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-28 08:22:27,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 08:22:27,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 08:22:27,974 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-28 08:22:27,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 08:22:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:22:28,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:28,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:22:28,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:22:28,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:22:28,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 08:22:28,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:22:28,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:22:28,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:22:28,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:22:28,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:22:28,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 08:22:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:22:28,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:28,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:22:28,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:22:28,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:22:28,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 08:22:28,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:22:28,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:22:28,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:22:28,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:22:28,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:22:28,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 08:22:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:22:28,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:28,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:22:28,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 08:22:28,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:22:28,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:22:28,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:22:28,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:22:28,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:22:28,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:22:28,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 08:22:28,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 08:22:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:22:28,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:28,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:28,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:22:28,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:22:28,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 08:22:28,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 08:22:28,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:22:28,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 08:22:28,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 08:22:28,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 08:22:28,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 08:22:28,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 08:22:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:22:28,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:28,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:22:28,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 08:22:28,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:22:28,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 08:22:28,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:22:28,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:22:28,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 08:22:28,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:22:28,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 08:22:28,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 08:22:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:22:28,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:28,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:22:28,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:22:28,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:22:28,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 08:22:28,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:22:28,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:22:28,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:22:28,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:22:28,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:22:28,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 08:22:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:22:28,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:28,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:22:28,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:22:28,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:22:28,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 08:22:28,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:22:28,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:22:28,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:22:28,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:22:28,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:22:28,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 08:22:28,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2044155518] [2020-10-28 08:22:28,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 08:22:28,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 08:22:28,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660383452] [2020-10-28 08:22:28,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 08:22:28,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 08:22:28,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 08:22:28,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-28 08:22:28,383 INFO L87 Difference]: Start difference. First operand 883 states. Second operand 8 states. [2020-10-28 08:22:28,794 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 08:22:29,168 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-28 08:22:29,468 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-28 08:22:29,850 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-28 08:22:30,111 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-28 08:22:47,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 08:22:47,634 INFO L93 Difference]: Finished difference Result 2882 states and 3786 transitions. [2020-10-28 08:22:47,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 08:22:47,636 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 45 [2020-10-28 08:22:47,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 08:22:47,674 INFO L225 Difference]: With dead ends: 2882 [2020-10-28 08:22:47,675 INFO L226 Difference]: Without dead ends: 1980 [2020-10-28 08:22:47,688 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-10-28 08:22:47,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2020-10-28 08:22:48,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1420. [2020-10-28 08:22:48,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1420 states. [2020-10-28 08:22:48,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1420 states and 1696 transitions. [2020-10-28 08:22:48,107 INFO L78 Accepts]: Start accepts. Automaton has 1420 states and 1696 transitions. Word has length 45 [2020-10-28 08:22:48,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 08:22:48,108 INFO L481 AbstractCegarLoop]: Abstraction has 1420 states and 1696 transitions. [2020-10-28 08:22:48,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 08:22:48,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1696 transitions. [2020-10-28 08:22:48,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-28 08:22:48,120 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 08:22:48,120 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] [2020-10-28 08:22:48,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 08:22:48,121 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 08:22:48,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 08:22:48,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1888152892, now seen corresponding path program 1 times [2020-10-28 08:22:48,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 08:22:48,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [653066285] [2020-10-28 08:22:48,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 08:22:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:22:48,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:48,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:49,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:22:49,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-28 08:22:49,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 08:22:49,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1279 [2020-10-28 08:22:49,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:22:49,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 08:22:49,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 08:22:49,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 08:22:49,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:22:49,723 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-28 08:22:49,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 08:22:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:22:49,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:49,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:22:49,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:22:49,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:22:49,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 08:22:49,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:22:49,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:22:49,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:22:49,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:22:49,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:22:49,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 08:22:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:22:49,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:49,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:22:49,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:22:49,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:22:49,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 08:22:49,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:22:49,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:22:49,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:22:49,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:22:49,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:22:49,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 08:22:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:22:49,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:49,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:22:49,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 08:22:49,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:22:49,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 08:22:49,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:22:49,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:22:49,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:22:49,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:22:49,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:22:49,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 08:22:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:22:49,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:49,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:22:49,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 08:22:49,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:22:49,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-28 08:22:49,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:22:49,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 08:22:49,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 08:22:49,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 08:22:49,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:22:49,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 08:22:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:22:49,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:49,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:22:49,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 08:22:49,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:22:49,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 08:22:49,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:22:49,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:22:49,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 08:22:49,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:22:49,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:22:49,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:22:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:22:49,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:22:49,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:22:49,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:22:49,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:22:49,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 08:22:49,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:22:49,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:22:49,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:22:49,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:22:49,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:22:49,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 08:22:49,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [653066285] [2020-10-28 08:22:49,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 08:22:49,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-28 08:22:49,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646032471] [2020-10-28 08:22:49,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 08:22:49,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 08:22:49,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 08:22:49,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-28 08:22:49,999 INFO L87 Difference]: Start difference. First operand 1420 states and 1696 transitions. Second operand 9 states. [2020-10-28 08:22:50,219 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 08:22:50,724 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-28 08:22:50,959 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-28 08:22:51,271 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-28 08:23:01,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 08:23:01,935 INFO L93 Difference]: Finished difference Result 3404 states and 4268 transitions. [2020-10-28 08:23:01,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 08:23:01,936 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 48 [2020-10-28 08:23:01,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 08:23:01,949 INFO L225 Difference]: With dead ends: 3404 [2020-10-28 08:23:01,950 INFO L226 Difference]: Without dead ends: 2013 [2020-10-28 08:23:01,955 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2020-10-28 08:23:01,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2013 states. [2020-10-28 08:23:02,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2013 to 1421. [2020-10-28 08:23:02,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1421 states. [2020-10-28 08:23:02,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 1421 states and 1697 transitions. [2020-10-28 08:23:02,163 INFO L78 Accepts]: Start accepts. Automaton has 1421 states and 1697 transitions. Word has length 48 [2020-10-28 08:23:02,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 08:23:02,163 INFO L481 AbstractCegarLoop]: Abstraction has 1421 states and 1697 transitions. [2020-10-28 08:23:02,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 08:23:02,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1421 states and 1697 transitions. [2020-10-28 08:23:02,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-28 08:23:02,165 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 08:23:02,165 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 08:23:02,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 08:23:02,166 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 08:23:02,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 08:23:02,166 INFO L82 PathProgramCache]: Analyzing trace with hash -572469843, now seen corresponding path program 2 times [2020-10-28 08:23:02,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 08:23:02,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1843836652] [2020-10-28 08:23:02,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 08:23:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:02,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:02,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:03,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:03,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 08:23:03,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 08:23:03,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1432 [2020-10-28 08:23:03,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:03,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 08:23:03,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 08:23:03,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 08:23:03,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:03,876 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-28 08:23:03,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 08:23:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:03,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:03,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:03,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:23:03,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:03,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 08:23:03,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:03,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:03,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:03,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:03,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:03,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 08:23:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:03,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:03,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:03,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:23:03,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:03,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:23:03,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:03,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:03,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:03,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:03,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:03,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 08:23:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:03,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:03,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:03,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 08:23:03,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:03,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 08:23:03,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:03,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:03,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:03,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:03,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:03,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 08:23:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:03,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:04,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:04,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 08:23:04,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:04,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-28 08:23:04,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:04,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 08:23:04,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 08:23:04,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 08:23:04,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:04,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 08:23:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:04,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:04,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:04,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 08:23:04,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:04,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 08:23:04,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:04,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:04,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 08:23:04,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:04,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 08:23:04,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:23:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:04,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:04,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:04,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:23:04,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:04,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 08:23:04,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:04,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:04,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:04,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:04,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:04,116 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 08:23:04,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1843836652] [2020-10-28 08:23:04,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 08:23:04,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 08:23:04,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065118109] [2020-10-28 08:23:04,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 08:23:04,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 08:23:04,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 08:23:04,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-28 08:23:04,122 INFO L87 Difference]: Start difference. First operand 1421 states and 1697 transitions. Second operand 10 states. [2020-10-28 08:23:04,352 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 08:23:04,959 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-28 08:23:05,180 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-28 08:23:05,417 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-28 08:23:05,679 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-28 08:23:16,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 08:23:16,764 INFO L93 Difference]: Finished difference Result 3405 states and 4269 transitions. [2020-10-28 08:23:16,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 08:23:16,764 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 49 [2020-10-28 08:23:16,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 08:23:16,778 INFO L225 Difference]: With dead ends: 3405 [2020-10-28 08:23:16,778 INFO L226 Difference]: Without dead ends: 2014 [2020-10-28 08:23:16,783 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2020-10-28 08:23:16,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2014 states. [2020-10-28 08:23:16,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2014 to 1422. [2020-10-28 08:23:16,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1422 states. [2020-10-28 08:23:16,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1422 states and 1698 transitions. [2020-10-28 08:23:16,990 INFO L78 Accepts]: Start accepts. Automaton has 1422 states and 1698 transitions. Word has length 49 [2020-10-28 08:23:16,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 08:23:16,991 INFO L481 AbstractCegarLoop]: Abstraction has 1422 states and 1698 transitions. [2020-10-28 08:23:16,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 08:23:16,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1698 transitions. [2020-10-28 08:23:16,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-28 08:23:16,992 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 08:23:16,992 INFO L422 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 08:23:16,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 08:23:16,993 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 08:23:16,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 08:23:16,993 INFO L82 PathProgramCache]: Analyzing trace with hash 457636700, now seen corresponding path program 3 times [2020-10-28 08:23:16,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 08:23:16,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [993492946] [2020-10-28 08:23:16,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 08:23:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:17,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:17,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:18,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:18,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-28 08:23:18,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 08:23:18,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1589 [2020-10-28 08:23:18,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:18,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 08:23:18,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 08:23:18,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 08:23:18,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 08:23:18,844 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-28 08:23:18,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 08:23:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:18,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:18,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:18,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:23:18,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:18,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 08:23:18,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:18,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:18,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:18,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:18,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:18,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 08:23:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:18,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:18,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:18,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:23:18,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:18,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:23:18,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:18,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:18,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:18,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:18,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:18,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 08:23:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:18,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:18,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:18,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 08:23:18,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:18,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 08:23:18,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:18,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:18,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:18,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:18,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:18,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 08:23:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:18,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:18,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:18,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 08:23:18,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:18,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-28 08:23:18,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:18,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 08:23:18,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 08:23:18,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 08:23:18,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:19,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 08:23:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:19,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:19,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:19,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 08:23:19,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:19,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 08:23:19,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:19,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:19,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 08:23:19,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:19,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:19,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:23:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:19,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:19,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:19,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:23:19,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:19,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 08:23:19,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:19,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:19,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:19,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:19,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:19,110 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 08:23:19,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [993492946] [2020-10-28 08:23:19,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 08:23:19,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 08:23:19,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891698912] [2020-10-28 08:23:19,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 08:23:19,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 08:23:19,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 08:23:19,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-28 08:23:19,113 INFO L87 Difference]: Start difference. First operand 1422 states and 1698 transitions. Second operand 11 states. [2020-10-28 08:23:19,332 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 08:23:19,881 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-28 08:23:20,127 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-28 08:23:20,370 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-28 08:23:20,641 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-28 08:23:20,890 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-28 08:23:32,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 08:23:32,556 INFO L93 Difference]: Finished difference Result 3406 states and 4270 transitions. [2020-10-28 08:23:32,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 08:23:32,557 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 50 [2020-10-28 08:23:32,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 08:23:32,570 INFO L225 Difference]: With dead ends: 3406 [2020-10-28 08:23:32,570 INFO L226 Difference]: Without dead ends: 2015 [2020-10-28 08:23:32,575 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2020-10-28 08:23:32,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2015 states. [2020-10-28 08:23:32,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2015 to 1423. [2020-10-28 08:23:32,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1423 states. [2020-10-28 08:23:32,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1423 states and 1699 transitions. [2020-10-28 08:23:32,795 INFO L78 Accepts]: Start accepts. Automaton has 1423 states and 1699 transitions. Word has length 50 [2020-10-28 08:23:32,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 08:23:32,796 INFO L481 AbstractCegarLoop]: Abstraction has 1423 states and 1699 transitions. [2020-10-28 08:23:32,796 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 08:23:32,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 1699 transitions. [2020-10-28 08:23:32,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-28 08:23:32,798 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 08:23:32,798 INFO L422 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 08:23:32,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 08:23:32,799 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 08:23:32,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 08:23:32,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1968798835, now seen corresponding path program 4 times [2020-10-28 08:23:32,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 08:23:32,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [973240512] [2020-10-28 08:23:32,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 08:23:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:32,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:33,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:33,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 08:23:33,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:33,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-10-28 08:23:33,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:33,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 08:23:33,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 08:23:33,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-28 08:23:33,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:33,343 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-28 08:23:33,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 08:23:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:33,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:33,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:33,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:23:33,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:33,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-28 08:23:33,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:33,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 08:23:33,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:33,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 08:23:33,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:33,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 08:23:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:33,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:33,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:33,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:23:33,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:33,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 08:23:33,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:33,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 08:23:33,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:33,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 08:23:33,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:33,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 08:23:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:33,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:33,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:33,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 08:23:33,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:33,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:23:33,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:33,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 08:23:33,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:33,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 08:23:33,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:33,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 08:23:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:33,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:33,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:33,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 08:23:33,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:33,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 08:23:33,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:33,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 08:23:33,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:33,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 08:23:33,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:33,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 08:23:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:33,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:33,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:33,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 08:23:33,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:33,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 08:23:33,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:33,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 08:23:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 08:23:33,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:33,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:23:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:33,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:33,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:33,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:23:33,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:33,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 08:23:33,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:33,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:33,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:33,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:33,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:33,634 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-28 08:23:33,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [973240512] [2020-10-28 08:23:33,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 08:23:33,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 08:23:33,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906977500] [2020-10-28 08:23:33,636 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 08:23:33,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 08:23:33,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 08:23:33,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-28 08:23:33,638 INFO L87 Difference]: Start difference. First operand 1423 states and 1699 transitions. Second operand 7 states. [2020-10-28 08:23:33,844 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 08:23:34,161 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-28 08:23:34,462 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-28 08:23:51,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 08:23:51,057 INFO L93 Difference]: Finished difference Result 3894 states and 5085 transitions. [2020-10-28 08:23:51,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-28 08:23:51,058 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2020-10-28 08:23:51,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 08:23:51,086 INFO L225 Difference]: With dead ends: 3894 [2020-10-28 08:23:51,086 INFO L226 Difference]: Without dead ends: 3874 [2020-10-28 08:23:51,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2020-10-28 08:23:51,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3874 states. [2020-10-28 08:23:51,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3874 to 2795. [2020-10-28 08:23:51,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2795 states. [2020-10-28 08:23:51,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2795 states to 2795 states and 3368 transitions. [2020-10-28 08:23:51,508 INFO L78 Accepts]: Start accepts. Automaton has 2795 states and 3368 transitions. Word has length 51 [2020-10-28 08:23:51,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 08:23:51,509 INFO L481 AbstractCegarLoop]: Abstraction has 2795 states and 3368 transitions. [2020-10-28 08:23:51,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 08:23:51,509 INFO L276 IsEmpty]: Start isEmpty. Operand 2795 states and 3368 transitions. [2020-10-28 08:23:51,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-28 08:23:51,516 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 08:23:51,516 INFO L422 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 08:23:51,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 08:23:51,517 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 08:23:51,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 08:23:51,517 INFO L82 PathProgramCache]: Analyzing trace with hash 2002717755, now seen corresponding path program 1 times [2020-10-28 08:23:51,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 08:23:51,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1954077261] [2020-10-28 08:23:51,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 08:23:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:51,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:51,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:52,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:53,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:53,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-28 08:23:53,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 08:23:53,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1904 [2020-10-28 08:23:53,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:53,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 08:23:53,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-28 08:23:53,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 08:23:53,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:53,773 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-28 08:23:53,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 08:23:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:53,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:53,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:53,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:23:53,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:53,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 08:23:53,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:53,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:53,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:53,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:53,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 08:23:53,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 08:23:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:53,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:53,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:53,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:23:53,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:53,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 08:23:53,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:53,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:53,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:53,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:53,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:53,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 08:23:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:53,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:53,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:53,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 08:23:53,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:53,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 08:23:53,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:53,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:53,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:53,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:53,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:53,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 08:23:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:53,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:53,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:53,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 08:23:53,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:53,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 08:23:53,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:53,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:53,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:53,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:53,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:53,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 08:23:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:53,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:54,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:54,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 08:23:54,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:54,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-10-28 08:23:54,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:54,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 08:23:54,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-28 08:23:54,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 08:23:54,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:54,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 08:23:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:54,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:54,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:54,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-28 08:23:54,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:54,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-10-28 08:23:54,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:54,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 08:23:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-28 08:23:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 08:23:54,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:54,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:23:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:54,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:54,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:54,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 08:23:54,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:54,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 08:23:54,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:54,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:54,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:54,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:54,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:54,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:23:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:54,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:54,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:54,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:23:54,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:54,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 08:23:54,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:54,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:54,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:54,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:54,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:54,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 08:23:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:54,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:54,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:54,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 08:23:54,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:54,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 08:23:54,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:54,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:54,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:54,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:54,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:54,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:23:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:54,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:54,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:54,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:23:54,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:54,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 08:23:54,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:54,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:54,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:54,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:54,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:54,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 08:23:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:54,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:54,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:54,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 08:23:54,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:54,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-28 08:23:54,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:54,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 08:23:54,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 08:23:54,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 08:23:54,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:54,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:23:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:54,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:54,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:54,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 08:23:54,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:54,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-28 08:23:54,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:54,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 08:23:54,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 08:23:54,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 08:23:54,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:54,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 08:23:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:54,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:54,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:54,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:23:54,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:54,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 08:23:54,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:54,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 08:23:54,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:54,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 08:23:54,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:54,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 08:23:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:54,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:54,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:54,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 08:23:54,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:54,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 08:23:54,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:54,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:54,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 08:23:54,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:54,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:54,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:23:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:54,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:54,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:54,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:23:54,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:54,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:23:54,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:54,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:54,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:54,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:54,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:54,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 08:23:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:54,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:54,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:54,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 08:23:54,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:54,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 08:23:54,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:54,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:54,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 08:23:54,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:54,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:54,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:23:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:54,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:54,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:54,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:23:54,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:54,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 08:23:54,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:54,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:54,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:54,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:54,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:54,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 08:23:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:54,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:54,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:54,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:23:54,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:54,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 08:23:54,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:54,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:54,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 08:23:54,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:54,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:54,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-28 08:23:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:54,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:54,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:54,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 08:23:54,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:54,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 08:23:54,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:54,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:54,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 08:23:54,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:54,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:54,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:23:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:54,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:54,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:54,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:23:54,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:54,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:23:54,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:54,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:54,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:54,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:54,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:55,028 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-28 08:23:55,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1954077261] [2020-10-28 08:23:55,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 08:23:55,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 08:23:55,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121226677] [2020-10-28 08:23:55,032 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 08:23:55,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 08:23:55,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 08:23:55,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-28 08:23:55,033 INFO L87 Difference]: Start difference. First operand 2795 states and 3368 transitions. Second operand 12 states. [2020-10-28 08:23:55,269 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 08:23:56,522 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-28 08:23:59,529 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-28 08:23:59,840 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-28 08:24:07,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 08:24:07,280 INFO L93 Difference]: Finished difference Result 6564 states and 8319 transitions. [2020-10-28 08:24:07,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 08:24:07,281 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 139 [2020-10-28 08:24:07,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 08:24:07,305 INFO L225 Difference]: With dead ends: 6564 [2020-10-28 08:24:07,305 INFO L226 Difference]: Without dead ends: 3800 [2020-10-28 08:24:07,316 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2020-10-28 08:24:07,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3800 states. [2020-10-28 08:24:07,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3800 to 2821. [2020-10-28 08:24:07,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2821 states. [2020-10-28 08:24:07,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2821 states to 2821 states and 3414 transitions. [2020-10-28 08:24:07,834 INFO L78 Accepts]: Start accepts. Automaton has 2821 states and 3414 transitions. Word has length 139 [2020-10-28 08:24:07,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 08:24:07,837 INFO L481 AbstractCegarLoop]: Abstraction has 2821 states and 3414 transitions. [2020-10-28 08:24:07,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 08:24:07,837 INFO L276 IsEmpty]: Start isEmpty. Operand 2821 states and 3414 transitions. [2020-10-28 08:24:07,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-28 08:24:07,846 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 08:24:07,847 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 08:24:07,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 08:24:07,847 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 08:24:07,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 08:24:07,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1147709746, now seen corresponding path program 1 times [2020-10-28 08:24:07,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 08:24:07,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [628448515] [2020-10-28 08:24:07,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 08:24:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:07,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:08,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:08,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:08,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-28 08:24:08,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 08:24:08,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 569 [2020-10-28 08:24:08,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:08,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 08:24:08,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-28 08:24:08,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 08:24:08,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:08,704 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-28 08:24:08,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 08:24:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:08,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:08,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:08,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:24:08,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:08,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 08:24:08,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:08,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:08,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:08,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:08,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:08,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 08:24:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:08,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:08,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:08,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:24:08,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:08,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 08:24:08,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:08,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:08,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:08,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:08,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:08,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 08:24:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:08,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:08,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:08,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 08:24:08,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:08,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 08:24:08,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:08,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:08,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:08,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:08,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:08,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 08:24:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:08,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:08,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:08,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 08:24:08,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:08,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 08:24:08,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:08,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:08,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:08,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:08,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:08,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 08:24:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:08,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:08,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:08,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 08:24:08,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:08,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-28 08:24:08,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:08,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:08,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-28 08:24:08,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:08,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:08,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 08:24:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:09,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:09,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:09,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-28 08:24:09,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:09,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-28 08:24:09,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:09,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:09,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:09,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:09,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:09,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:24:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:09,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:09,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:09,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 08:24:09,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:09,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 08:24:09,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:09,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:09,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:09,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:09,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:09,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:24:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:09,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:09,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:09,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:24:09,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:09,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 08:24:09,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:09,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:09,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:09,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:09,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:09,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 08:24:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:09,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:09,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:09,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 08:24:09,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:09,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 08:24:09,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:09,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:09,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:09,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:09,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 08:24:09,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:24:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:09,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:09,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:09,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:24:09,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:09,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 08:24:09,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:09,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:09,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:09,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:09,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:09,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 08:24:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:09,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:09,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:09,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 08:24:09,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:09,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 08:24:09,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:09,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:09,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:09,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:09,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:09,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:24:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:09,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:09,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:09,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-28 08:24:09,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:09,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 08:24:09,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:09,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:09,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:09,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:09,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:09,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 08:24:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:09,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:09,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:09,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 08:24:09,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:09,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 08:24:09,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:09,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:09,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:09,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:09,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:09,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 08:24:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:09,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:09,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:09,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:24:09,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:09,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 08:24:09,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:09,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:09,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:09,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:09,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:09,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 08:24:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:09,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:09,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:09,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:24:09,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:09,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 08:24:09,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:09,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:09,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:09,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:09,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:09,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 08:24:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:09,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:09,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:09,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:24:09,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:09,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 08:24:09,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:09,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:09,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:09,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:09,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:09,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 08:24:09,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:09,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:09,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:09,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 08:24:09,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:09,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 08:24:09,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:09,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:09,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:09,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:09,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:09,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:24:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:09,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:09,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:09,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:24:09,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:09,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 08:24:09,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:09,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:09,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:09,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:09,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:09,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-28 08:24:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:09,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:09,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:09,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 08:24:09,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:09,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-28 08:24:09,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:09,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:09,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:09,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:09,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:09,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:24:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:09,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:09,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:09,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:24:09,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:09,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 08:24:09,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:09,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:09,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:09,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:09,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:09,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-28 08:24:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:09,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:09,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:09,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:24:09,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:09,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 08:24:09,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:09,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:09,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:09,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:09,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:09,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-28 08:24:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:09,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:09,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:09,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 08:24:09,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:09,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 08:24:09,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:09,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:09,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 08:24:09,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:09,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:09,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:24:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:09,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:09,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:09,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:24:09,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:09,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 08:24:09,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:09,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:09,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:09,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:09,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:09,554 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-28 08:24:09,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [628448515] [2020-10-28 08:24:09,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 08:24:09,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 08:24:09,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516954889] [2020-10-28 08:24:09,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 08:24:09,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 08:24:09,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 08:24:09,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-28 08:24:09,564 INFO L87 Difference]: Start difference. First operand 2821 states and 3414 transitions. Second operand 10 states. [2020-10-28 08:24:09,790 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 08:24:10,163 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-28 08:24:10,445 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-28 08:24:28,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 08:24:28,275 INFO L93 Difference]: Finished difference Result 9666 states and 12279 transitions. [2020-10-28 08:24:28,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 08:24:28,279 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 155 [2020-10-28 08:24:28,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 08:24:28,319 INFO L225 Difference]: With dead ends: 9666 [2020-10-28 08:24:28,319 INFO L226 Difference]: Without dead ends: 6880 [2020-10-28 08:24:28,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2020-10-28 08:24:28,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6880 states. [2020-10-28 08:24:29,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6880 to 5081. [2020-10-28 08:24:29,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5081 states. [2020-10-28 08:24:29,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5081 states to 5081 states and 6108 transitions. [2020-10-28 08:24:29,295 INFO L78 Accepts]: Start accepts. Automaton has 5081 states and 6108 transitions. Word has length 155 [2020-10-28 08:24:29,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 08:24:29,295 INFO L481 AbstractCegarLoop]: Abstraction has 5081 states and 6108 transitions. [2020-10-28 08:24:29,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 08:24:29,295 INFO L276 IsEmpty]: Start isEmpty. Operand 5081 states and 6108 transitions. [2020-10-28 08:24:29,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-28 08:24:29,307 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 08:24:29,307 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 08:24:29,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 08:24:29,307 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 08:24:29,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 08:24:29,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1165812609, now seen corresponding path program 1 times [2020-10-28 08:24:29,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 08:24:29,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [896499202] [2020-10-28 08:24:29,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 08:24:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:29,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:29,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:30,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:30,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-10-28 08:24:30,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 08:24:30,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1058 [2020-10-28 08:24:30,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:30,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 08:24:30,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-28 08:24:30,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-28 08:24:30,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:30,715 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-28 08:24:30,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 08:24:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:30,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:30,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:30,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:24:30,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:30,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 08:24:30,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:30,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:30,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:30,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:30,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:30,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 08:24:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:30,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:30,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:30,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:24:30,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:30,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:24:30,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:30,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:30,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:30,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:30,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 08:24:30,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 08:24:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:30,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:30,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:30,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 08:24:30,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:30,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 08:24:30,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:30,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:30,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:30,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:30,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:30,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 08:24:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:30,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:30,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:30,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 08:24:30,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:30,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 08:24:30,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:30,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:30,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:30,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:30,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:30,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 08:24:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:30,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:30,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:30,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 08:24:30,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:30,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 08:24:30,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:30,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 08:24:30,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:30,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 08:24:30,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:30,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:24:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:30,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:30,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:30,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:24:30,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:30,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:24:30,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:30,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:30,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:30,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:30,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:30,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 08:24:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:30,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:30,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:30,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 08:24:30,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:30,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 08:24:30,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:30,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 08:24:30,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:30,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 08:24:30,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:30,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:24:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:30,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:30,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:30,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:24:30,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:30,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 08:24:30,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:30,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:30,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:30,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:30,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:31,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 08:24:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:31,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:31,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:31,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 08:24:31,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:31,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 08:24:31,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:31,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 08:24:31,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:31,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 08:24:31,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:31,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:24:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:31,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:31,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:31,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:24:31,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:31,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 08:24:31,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:31,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:31,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:31,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:31,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:31,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 08:24:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:31,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:31,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:31,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 08:24:31,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:31,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-28 08:24:31,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:31,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:31,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-28 08:24:31,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:31,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:31,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 08:24:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:31,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:31,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:31,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-28 08:24:31,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:31,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-28 08:24:31,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:31,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:31,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:31,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:31,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:31,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:24:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:31,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:31,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:31,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 08:24:31,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:31,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 08:24:31,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:31,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:31,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:31,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:31,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:31,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:24:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:31,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:31,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:31,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:24:31,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:31,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 08:24:31,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:31,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:31,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:31,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:31,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:31,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 08:24:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:31,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:31,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:31,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 08:24:31,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:31,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 08:24:31,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:31,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:31,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:31,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:31,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:31,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:24:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:31,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:31,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:31,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:24:31,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:31,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 08:24:31,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:31,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:31,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:31,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:31,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:31,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 08:24:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:31,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:31,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:31,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 08:24:31,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:31,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 08:24:31,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:31,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:31,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:31,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:31,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:31,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:24:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:31,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:31,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:31,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-28 08:24:31,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:31,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 08:24:31,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:31,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:31,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:31,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:31,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:31,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 08:24:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:31,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:31,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:31,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 08:24:31,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:31,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 08:24:31,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:31,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:31,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:31,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:31,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:31,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 08:24:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:31,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:31,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:31,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:24:31,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:31,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 08:24:31,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:31,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:31,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:31,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:31,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:31,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 08:24:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:31,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:31,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:31,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:24:31,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:31,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 08:24:31,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:31,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:31,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:31,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:31,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:31,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 08:24:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:31,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:31,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:31,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:24:31,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:31,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 08:24:31,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:31,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:31,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:31,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:31,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:31,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 08:24:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:31,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:31,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:31,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 08:24:31,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:31,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 08:24:31,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:31,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:31,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:31,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:31,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:31,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:24:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:31,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:31,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:31,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:24:31,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:31,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 08:24:31,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:31,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:31,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:31,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:31,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:31,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-28 08:24:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:31,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:31,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:31,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 08:24:31,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:31,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 08:24:31,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:31,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:31,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:31,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:31,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:31,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:24:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:31,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:31,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:31,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:24:31,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:31,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 08:24:31,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:31,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:31,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:31,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:31,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:31,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-28 08:24:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:31,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:31,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:31,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:24:31,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:31,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 08:24:31,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:31,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:31,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:31,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:31,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:31,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-28 08:24:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:31,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:31,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:31,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 08:24:31,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:31,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 08:24:31,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:31,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:31,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 08:24:31,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:31,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:31,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 08:24:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:31,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:31,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:31,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:24:31,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:31,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 08:24:31,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:31,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:31,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:31,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:31,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:31,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 08:24:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:24:31,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:24:31,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:24:31,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:24:31,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:24:31,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 08:24:31,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:24:31,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:24:31,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:24:31,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:24:31,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:24:31,729 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-10-28 08:24:31,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [896499202] [2020-10-28 08:24:31,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 08:24:31,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-28 08:24:31,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373238731] [2020-10-28 08:24:31,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 08:24:31,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 08:24:31,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 08:24:31,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-10-28 08:24:31,732 INFO L87 Difference]: Start difference. First operand 5081 states and 6108 transitions. Second operand 14 states. [2020-10-28 08:24:31,961 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 08:24:40,544 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-28 08:24:44,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 08:24:44,794 INFO L93 Difference]: Finished difference Result 11930 states and 14977 transitions. [2020-10-28 08:24:44,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 08:24:44,795 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 194 [2020-10-28 08:24:44,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 08:24:44,831 INFO L225 Difference]: With dead ends: 11930 [2020-10-28 08:24:44,831 INFO L226 Difference]: Without dead ends: 6874 [2020-10-28 08:24:44,849 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2020-10-28 08:24:44,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6874 states. [2020-10-28 08:24:45,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6874 to 5048. [2020-10-28 08:24:45,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5048 states. [2020-10-28 08:24:45,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5048 states to 5048 states and 6067 transitions. [2020-10-28 08:24:45,535 INFO L78 Accepts]: Start accepts. Automaton has 5048 states and 6067 transitions. Word has length 194 [2020-10-28 08:24:45,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 08:24:45,536 INFO L481 AbstractCegarLoop]: Abstraction has 5048 states and 6067 transitions. [2020-10-28 08:24:45,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 08:24:45,536 INFO L276 IsEmpty]: Start isEmpty. Operand 5048 states and 6067 transitions. [2020-10-28 08:24:45,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-10-28 08:24:45,547 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 08:24:45,548 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 08:24:45,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 08:24:45,548 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 08:24:45,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 08:24:45,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1753734029, now seen corresponding path program 1 times [2020-10-28 08:24:45,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 08:24:45,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [936918904] [2020-10-28 08:24:45,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 08:24:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-28 08:24:45,653 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-28 08:24:45,653 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-28 08:24:45,658 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 08:24:45,668 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2020-10-28 08:24:45,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:24:45 BoogieIcfgContainer [2020-10-28 08:24:45,698 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 08:24:45,700 INFO L168 Benchmark]: Toolchain (without parser) took 145645.84 ms. Allocated memory was 155.2 MB in the beginning and 1.1 GB in the end (delta: 908.1 MB). Free memory was 102.7 MB in the beginning and 387.7 MB in the end (delta: -284.9 MB). Peak memory consumption was 623.9 MB. Max. memory is 8.0 GB. [2020-10-28 08:24:45,700 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 155.2 MB. Free memory is still 127.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 08:24:45,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1852.38 ms. Allocated memory is still 155.2 MB. Free memory was 102.2 MB in the beginning and 88.2 MB in the end (delta: 14.1 MB). Peak memory consumption was 45.7 MB. Max. memory is 8.0 GB. [2020-10-28 08:24:45,701 INFO L168 Benchmark]: Boogie Preprocessor took 271.29 ms. Allocated memory is still 155.2 MB. Free memory was 88.2 MB in the beginning and 76.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-10-28 08:24:45,702 INFO L168 Benchmark]: RCFGBuilder took 2444.32 ms. Allocated memory was 155.2 MB in the beginning and 208.7 MB in the end (delta: 53.5 MB). Free memory was 76.1 MB in the beginning and 111.5 MB in the end (delta: -35.4 MB). Peak memory consumption was 61.6 MB. Max. memory is 8.0 GB. [2020-10-28 08:24:45,703 INFO L168 Benchmark]: TraceAbstraction took 141063.64 ms. Allocated memory was 208.7 MB in the beginning and 1.1 GB in the end (delta: 854.6 MB). Free memory was 111.0 MB in the beginning and 387.7 MB in the end (delta: -276.6 MB). Peak memory consumption was 578.5 MB. Max. memory is 8.0 GB. [2020-10-28 08:24:45,706 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 155.2 MB. Free memory is still 127.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1852.38 ms. Allocated memory is still 155.2 MB. Free memory was 102.2 MB in the beginning and 88.2 MB in the end (delta: 14.1 MB). Peak memory consumption was 45.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 271.29 ms. Allocated memory is still 155.2 MB. Free memory was 88.2 MB in the beginning and 76.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2444.32 ms. Allocated memory was 155.2 MB in the beginning and 208.7 MB in the end (delta: 53.5 MB). Free memory was 76.1 MB in the beginning and 111.5 MB in the end (delta: -35.4 MB). Peak memory consumption was 61.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 141063.64 ms. Allocated memory was 208.7 MB in the beginning and 1.1 GB in the end (delta: 854.6 MB). Free memory was 111.0 MB in the beginning and 387.7 MB in the end (delta: -276.6 MB). Peak memory consumption was 578.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 4266. Possible FailurePath: [L3592] int LDV_IN_INTERRUPT = 1; [L3593] struct block_device *virtblk_fops_group0 ; [L3594] int ldv_state_variable_2 ; [L3595] int ref_cnt ; [L3596] int ldv_state_variable_1 ; [L3597] struct virtio_device *virtio_blk_group0 ; [L3598] int ldv_state_variable_0 ; [L3729] static int major ; [L3730] static int index ; [L4055-L4056] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L4254-L4255] static struct virtio_device_id const id_table[2U] = { {2U, 4294967295U}, {0U, 0U}}; [L4256-L4259] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4260-L4261] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4283] struct virtio_device_id const __mod_virtio_device_table ; [L4284] int ldv_retval_0 ; [L4285] int ldv_retval_1 ; [L4522] int ldv_blk_rq = 0; [L4308] unsigned long ldvarg1 ; [L4309] unsigned long tmp ; [L4310] fmode_t ldvarg3 ; [L4311] struct hd_geometry *ldvarg0 ; [L4312] void *tmp___0 ; [L4313] unsigned int ldvarg2 ; [L4314] unsigned int tmp___1 ; [L4315] int tmp___2 ; [L4316] int tmp___3 ; [L4317] int tmp___4 ; [L4318] int tmp___5 ; [L4320] tmp = __VERIFIER_nondet_ulong() [L4321] ldvarg1 = tmp [L4322] CALL, EXPR ldv_zalloc(16UL) [L3533] void *p ; [L3534] void *tmp ; [L3535] int tmp___0 ; [L3537] tmp___0 = __VERIFIER_nondet_int() [L3538] COND TRUE tmp___0 != 0 [L3539] return ((void *)0); [L4322] RET, EXPR ldv_zalloc(16UL) [L4322] tmp___0 = ldv_zalloc(16UL) [L4323] ldvarg0 = (struct hd_geometry *)tmp___0 [L4324] tmp___1 = __VERIFIER_nondet_uint() [L4325] ldvarg2 = tmp___1 [L4326] FCALL ldv_initialize() [L4327] FCALL memset((void *)(& ldvarg3), 0, 4UL) [L4328] ldv_state_variable_1 = 0 [L4329] ref_cnt = 0 [L4330] ldv_state_variable_0 = 1 [L4331] ldv_state_variable_2 = 0 [L4333] tmp___2 = __VERIFIER_nondet_int() [L4335] case 0: [L4365] case 1: [L4366] COND TRUE ldv_state_variable_0 != 0 [L4367] tmp___4 = __VERIFIER_nondet_int() [L4369] case 0: [L4377] case 1: [L4378] COND TRUE ldv_state_variable_0 == 1 [L4379] CALL, EXPR init() [L4264] int tmp ; [L4266] CALL, EXPR register_blkdev(0U, "virtblk") [L4722] return __VERIFIER_nondet_int(); [L4266] RET, EXPR register_blkdev(0U, "virtblk") [L4266] major = register_blkdev(0U, "virtblk") [L4267] COND FALSE !(major < 0) [L4271] CALL, EXPR register_virtio_driver(& virtio_blk) [L4726] return __VERIFIER_nondet_int(); [L4271] RET, EXPR register_virtio_driver(& virtio_blk) [L4271] tmp = register_virtio_driver(& virtio_blk) [L4272] return (tmp); [L4379] RET, EXPR init() [L4379] ldv_retval_1 = init() [L4380] COND TRUE ldv_retval_1 == 0 [L4381] ldv_state_variable_0 = 3 [L4382] ldv_state_variable_2 = 1 [L4383] CALL ldv_initialize_block_device_operations_2() [L4299] void *tmp ; [L4301] CALL, EXPR ldv_zalloc(464UL) [L3533] void *p ; [L3534] void *tmp ; [L3535] int tmp___0 ; [L3537] tmp___0 = __VERIFIER_nondet_int() [L3538] COND TRUE tmp___0 != 0 [L3539] return ((void *)0); [L4301] RET, EXPR ldv_zalloc(464UL) [L4301] tmp = ldv_zalloc(464UL) [L4302] virtblk_fops_group0 = (struct block_device *)tmp [L4383] RET ldv_initialize_block_device_operations_2() [L4384] ldv_state_variable_1 = 1 [L4385] CALL ldv_initialize_virtio_driver_1() [L4290] void *tmp ; [L4292] CALL, EXPR ldv_zalloc(1048UL) [L3533] void *p ; [L3534] void *tmp ; [L3535] int tmp___0 ; [L3537] tmp___0 = __VERIFIER_nondet_int() [L3538] COND TRUE tmp___0 != 0 [L3539] return ((void *)0); [L4292] RET, EXPR ldv_zalloc(1048UL) [L4292] tmp = ldv_zalloc(1048UL) [L4293] virtio_blk_group0 = (struct virtio_device *)tmp [L4385] RET ldv_initialize_virtio_driver_1() [L4388] COND FALSE !(ldv_retval_1 != 0) [L4333] tmp___2 = __VERIFIER_nondet_int() [L4335] case 0: [L4365] case 1: [L4403] case 2: [L4404] COND TRUE ldv_state_variable_2 != 0 [L4405] tmp___5 = __VERIFIER_nondet_int() [L4407] case 0: [L4408] COND TRUE ldv_state_variable_2 == 1 [L4409] EXPR \read(ldvarg3) [L4409] CALL virtblk_ioctl(virtblk_fops_group0, ldvarg3, ldvarg2, ldvarg1) [L3993] struct gendisk *disk ; [L3994] struct virtio_blk *vblk ; [L3995] void *usr_data ; [L3996] char id_str[20U] ; [L3997] int err ; [L3998] int tmp ; [L3999] bool tmp___0 ; [L4000] int tmp___1 ; [L4001] int tmp___2 ; [L4003] EXPR bdev->bd_disk [L4003] disk = bdev->bd_disk [L4004] EXPR disk->private_data [L4004] vblk = (struct virtio_blk *)disk->private_data [L4005] COND TRUE cmd == 1447184708U [L4006] usr_data = (void *)data [L4007] CALL, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3960] struct virtio_blk *vblk ; [L3961] struct request *req ; [L3962] struct bio *bio ; [L3963] long tmp ; [L3964] long tmp___0 ; [L3965] long tmp___1 ; [L3966] long tmp___2 ; [L3967] int tmp___3 ; [L3969] EXPR disk->private_data [L3969] vblk = (struct virtio_blk *)disk->private_data [L3970] EXPR vblk->disk [L3970] EXPR (vblk->disk)->queue [L3970] CALL, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L4624] CALL, EXPR ldv_malloc(sizeof(struct bio)) [L3515] void *p ; [L3516] void *tmp ; [L3517] int tmp___0 ; [L3519] tmp___0 = __VERIFIER_nondet_int() [L3520] COND TRUE tmp___0 != 0 [L3521] return ((void *)0); [L4624] RET, EXPR ldv_malloc(sizeof(struct bio)) [L4624] return ldv_malloc(sizeof(struct bio)); [L3970] RET, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3970] bio = bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3971] CALL, EXPR IS_ERR((void const *)bio) [L4456] long tmp ; [L4458] CALL, EXPR ldv_is_err(ptr) [L4481] return ((unsigned long )ptr > 2012UL); [L4458] RET, EXPR ldv_is_err(ptr) [L4458] tmp = ldv_is_err(ptr) [L4459] return (tmp); [L3971] RET, EXPR IS_ERR((void const *)bio) [L3971] tmp___0 = IS_ERR((void const *)bio) [L3972] COND FALSE !(tmp___0 != 0L) [L3977] EXPR vblk->disk [L3977] EXPR (vblk->disk)->queue [L3977] CALL, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L4465] struct request *tmp ; [L4467] CALL, EXPR ldv_blk_make_request(ldv_func_arg3) [L4548] struct request *res ; [L4549] long tmp___0 ; [L4551] COND TRUE ldv_blk_rq == 0 [L4555] CALL, EXPR ldv_malloc(sizeof(struct request)) [L3515] void *p ; [L3516] void *tmp ; [L3517] int tmp___0 ; [L3519] tmp___0 = __VERIFIER_nondet_int() [L3520] COND FALSE !(tmp___0 != 0) [L3523] tmp = malloc(size) [L3524] p = tmp [L3525] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) [L3510] COND FALSE !(!cond) [L3525] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) [L3526] CALL, EXPR ldv_is_err(p) [L4481] return ((unsigned long )ptr > 2012UL); [L3526] RET, EXPR ldv_is_err(p) [L3526] CALL assume_abort_if_not(ldv_is_err(p) == 0) [L3510] COND FALSE !(!cond) [L3526] RET assume_abort_if_not(ldv_is_err(p) == 0) [L3527] return (p); [L4555] RET, EXPR ldv_malloc(sizeof(struct request)) [L4555] res = ldv_malloc(sizeof(struct request)) [L4556] COND TRUE (unsigned long )res != (unsigned long )((void *)0) [L4560] CALL, EXPR IS_ERR___0(res) [L4516] long tmp ; [L4518] CALL, EXPR ldv__builtin_expect(! (! ((unsigned long )ptr >= 0xfffffffffffff001UL)), 0) [L3582] return (exp); [L4518] RET, EXPR ldv__builtin_expect(! (! ((unsigned long )ptr >= 0xfffffffffffff001UL)), 0) [L4518] tmp = ldv__builtin_expect(! (! ((unsigned long )ptr >= 0xfffffffffffff001UL)), 0) [L4519] return (tmp); [L4560] RET, EXPR IS_ERR___0(res) [L4560] tmp___0 = IS_ERR___0(res) [L4561] COND FALSE !(\read(tmp___0)) [L4563] ldv_blk_rq = 1 [L4565] return (res); [L4467] RET, EXPR ldv_blk_make_request(ldv_func_arg3) [L4467] tmp = ldv_blk_make_request(ldv_func_arg3) [L4468] return (tmp); [L3977] RET, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3977] req = ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3978] CALL, EXPR IS_ERR((void const *)req) [L4456] long tmp ; [L4458] CALL, EXPR ldv_is_err(ptr) [L4481] return ((unsigned long )ptr > 2012UL); [L4458] RET, EXPR ldv_is_err(ptr) [L4458] tmp = ldv_is_err(ptr) [L4459] return (tmp); [L3978] RET, EXPR IS_ERR((void const *)req) [L3978] tmp___2 = IS_ERR((void const *)req) [L3979] COND FALSE !(tmp___2 != 0L) [L3985] req->cmd_type = 7 [L3986] EXPR vblk->disk [L3986] EXPR (vblk->disk)->queue [L3986] EXPR vblk->disk [L3986] CALL, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L4634] return __VERIFIER_nondet_int(); [L3986] RET, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3986] tmp___3 = blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3987] return (tmp___3); [L4007] RET, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L4007] err = virtblk_get_id(disk, (char *)(& id_str)) [L4008] COND FALSE !(err == 0) [L4016] return (err); [L4016] return (err); [L4409] RET virtblk_ioctl(virtblk_fops_group0, ldvarg3, ldvarg2, ldvarg1) [L4410] ldv_state_variable_2 = 1 [L4333] tmp___2 = __VERIFIER_nondet_int() [L4335] case 0: [L4365] case 1: [L4366] COND TRUE ldv_state_variable_0 != 0 [L4367] tmp___4 = __VERIFIER_nondet_int() [L4369] case 0: [L4370] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L4371] CALL fini() [L4278] FCALL unregister_blkdev((unsigned int )major, "virtblk") [L4279] FCALL unregister_virtio_driver(& virtio_blk) [L4371] RET fini() [L4372] ldv_state_variable_0 = 2 [L4434] CALL ldv_check_final_state() [L4582] COND FALSE !(ldv_blk_rq == 0) [L4584] CALL ldv_error() [L3569] CALL reach_error() [L12] COND FALSE !(0) [L12] __assert_fail ("0", "linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.c", 3, __extension__ __PRETTY_FUNCTION__) - StatisticsResult: Ultimate Automizer benchmark data CFG has 130 procedures, 903 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 140.9s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 119.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5730 SDtfs, 18749 SDslu, 7687 SDs, 0 SdLazy, 34649 SolverSat, 14363 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 89.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 342 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 11.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5081occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 8019 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 17.2s InterpolantComputationTime, 930 NumberOfCodeBlocks, 930 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 723 ConstructedInterpolants, 0 QuantifiedInterpolants, 274217 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 125/135 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...