/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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=BIGGEST --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 -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 0.1.25-adbd35c [2020-10-13 04:13:13,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 04:13:13,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 04:13:13,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 04:13:13,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 04:13:13,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 04:13:13,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 04:13:13,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 04:13:13,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 04:13:13,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 04:13:13,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 04:13:13,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 04:13:13,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 04:13:13,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 04:13:13,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 04:13:13,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 04:13:13,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 04:13:13,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 04:13:13,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 04:13:13,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 04:13:13,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 04:13:13,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 04:13:13,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 04:13:13,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 04:13:13,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 04:13:13,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 04:13:13,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 04:13:13,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 04:13:13,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 04:13:13,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 04:13:13,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 04:13:13,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 04:13:13,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 04:13:13,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 04:13:13,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 04:13:13,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 04:13:13,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 04:13:13,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 04:13:13,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 04:13:13,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 04:13:13,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 04:13:13,432 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 [2020-10-13 04:13:13,454 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 04:13:13,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 04:13:13,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 04:13:13,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 04:13:13,456 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 04:13:13,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 04:13:13,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 04:13:13,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 04:13:13,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 04:13:13,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 04:13:13,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 04:13:13,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 04:13:13,457 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 04:13:13,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 04:13:13,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 04:13:13,458 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 04:13:13,458 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 04:13:13,458 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 04:13:13,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 04:13:13,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 04:13:13,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 04:13:13,459 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 04:13:13,459 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 04:13:13,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 04:13:13,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 04:13:13,460 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 04:13:13,460 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 04:13:13,460 INFO L138 SettingsManager]: * To the following directory=dump/ 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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 04:13:13,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 04:13:13,782 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 04:13:13,786 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 04:13:13,788 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 04:13:13,788 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 04:13:13,789 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2020-10-13 04:13:13,853 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8234dba97/005974c04a8b4fdca57b6e09a32aec72/FLAG2ba9023ba [2020-10-13 04:13:14,600 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 04:13:14,601 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2020-10-13 04:13:14,644 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8234dba97/005974c04a8b4fdca57b6e09a32aec72/FLAG2ba9023ba [2020-10-13 04:13:14,668 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8234dba97/005974c04a8b4fdca57b6e09a32aec72 [2020-10-13 04:13:14,678 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 04:13:14,680 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 04:13:14,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 04:13:14,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 04:13:14,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 04:13:14,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:13:14" (1/1) ... [2020-10-13 04:13:14,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76893dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:14, skipping insertion in model container [2020-10-13 04:13:14,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:13:14" (1/1) ... [2020-10-13 04:13:14,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 04:13:14,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 04:13:15,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 04:13:15,957 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 04:13:16,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 04:13:16,430 INFO L208 MainTranslator]: Completed translation [2020-10-13 04:13:16,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:16 WrapperNode [2020-10-13 04:13:16,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 04:13:16,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 04:13:16,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 04:13:16,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 04:13:16,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:16" (1/1) ... [2020-10-13 04:13:16,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:16" (1/1) ... [2020-10-13 04:13:16,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:16" (1/1) ... [2020-10-13 04:13:16,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:16" (1/1) ... [2020-10-13 04:13:16,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:16" (1/1) ... [2020-10-13 04:13:16,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:16" (1/1) ... [2020-10-13 04:13:16,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:16" (1/1) ... [2020-10-13 04:13:16,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 04:13:16,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 04:13:16,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 04:13:16,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 04:13:16,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:16" (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 [2020-10-13 04:13:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 04:13:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 04:13:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2020-10-13 04:13:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2020-10-13 04:13:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-10-13 04:13:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 04:13:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-13 04:13:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2020-10-13 04:13:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-13 04:13:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-13 04:13:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-13 04:13:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-13 04:13:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-13 04:13:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2020-10-13 04:13:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2020-10-13 04:13:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2020-10-13 04:13:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2020-10-13 04:13:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-13 04:13:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create_kmalloc_pool [2020-10-13 04:13:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2020-10-13 04:13:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2020-10-13 04:13:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2020-10-13 04:13:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2020-10-13 04:13:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2020-10-13 04:13:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2020-10-13 04:13:16,721 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2020-10-13 04:13:16,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-13 04:13:16,721 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2020-10-13 04:13:16,721 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-13 04:13:16,721 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 04:13:16,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 04:13:16,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-13 04:13:16,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-13 04:13:16,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-13 04:13:16,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-13 04:13:16,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-13 04:13:16,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-13 04:13:16,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-13 04:13:16,723 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2020-10-13 04:13:16,723 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2020-10-13 04:13:16,723 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2020-10-13 04:13:16,723 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_add_buf [2020-10-13 04:13:16,723 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2020-10-13 04:13:16,723 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2020-10-13 04:13:16,723 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_find_single_vq [2020-10-13 04:13:16,724 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_done [2020-10-13 04:13:16,724 INFO L138 BoogieDeclarations]: Found implementation of procedure do_req [2020-10-13 04:13:16,724 INFO L138 BoogieDeclarations]: Found implementation of procedure do_virtblk_request [2020-10-13 04:13:16,724 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_prepare_flush [2020-10-13 04:13:16,724 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_get_id [2020-10-13 04:13:16,724 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_ioctl [2020-10-13 04:13:16,725 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_getgeo [2020-10-13 04:13:16,725 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2020-10-13 04:13:16,725 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_probe [2020-10-13 04:13:16,725 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2020-10-13 04:13:16,725 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-13 04:13:16,725 INFO L138 BoogieDeclarations]: Found implementation of procedure fini [2020-10-13 04:13:16,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_virtio_driver_1 [2020-10-13 04:13:16,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_block_device_operations_2 [2020-10-13 04:13:16,726 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 04:13:16,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2020-10-13 04:13:16,726 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-13 04:13:16,726 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-13 04:13:16,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_make_request_5 [2020-10-13 04:13:16,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-13 04:13:16,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-13 04:13:16,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-13 04:13:16,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-13 04:13:16,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-13 04:13:16,727 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR___0 [2020-10-13 04:13:16,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_get_request [2020-10-13 04:13:16,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_make_request [2020-10-13 04:13:16,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_blk_rq [2020-10-13 04:13:16,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 04:13:16,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_all [2020-10-13 04:13:16,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2020-10-13 04:13:16,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-13 04:13:16,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-10-13 04:13:16,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-13 04:13:16,729 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-13 04:13:16,729 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-13 04:13:16,729 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-13 04:13:16,729 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2020-10-13 04:13:16,730 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2020-10-13 04:13:16,730 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_map_kern [2020-10-13 04:13:16,730 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2020-10-13 04:13:16,730 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2020-10-13 04:13:16,730 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_execute_rq [2020-10-13 04:13:16,730 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_queue [2020-10-13 04:13:16,730 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_peek_request [2020-10-13 04:13:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_alignment_offset [2020-10-13 04:13:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_bounce_limit [2020-10-13 04:13:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_io_min [2020-10-13 04:13:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_io_opt [2020-10-13 04:13:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_logical_block_size [2020-10-13 04:13:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_hw_sectors [2020-10-13 04:13:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2020-10-13 04:13:16,732 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segments [2020-10-13 04:13:16,732 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2020-10-13 04:13:16,732 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_physical_block_size [2020-10-13 04:13:16,732 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_map_sg [2020-10-13 04:13:16,732 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2020-10-13 04:13:16,732 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_request [2020-10-13 04:13:16,732 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_stop_queue [2020-10-13 04:13:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2020-10-13 04:13:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2020-10-13 04:13:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 04:13:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-13 04:13:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2020-10-13 04:13:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_alloc [2020-10-13 04:13:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create [2020-10-13 04:13:16,734 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2020-10-13 04:13:16,734 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2020-10-13 04:13:16,734 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-13 04:13:16,734 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2020-10-13 04:13:16,734 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2020-10-13 04:13:16,734 INFO L138 BoogieDeclarations]: Found implementation of procedure register_virtio_driver [2020-10-13 04:13:16,734 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_ioctl [2020-10-13 04:13:16,735 INFO L138 BoogieDeclarations]: Found implementation of procedure set_disk_ro [2020-10-13 04:13:16,735 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2020-10-13 04:13:16,735 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2020-10-13 04:13:16,735 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_virtio_driver [2020-10-13 04:13:16,735 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_check_driver_offered_feature [2020-10-13 04:13:16,735 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_add_buf_gfp [2020-10-13 04:13:16,735 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_get_buf [2020-10-13 04:13:16,736 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_kick [2020-10-13 04:13:16,736 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 04:13:16,736 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-13 04:13:16,736 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-13 04:13:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 04:13:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-13 04:13:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-13 04:13:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-13 04:13:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-13 04:13:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-10-13 04:13:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2020-10-13 04:13:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-13 04:13:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2020-10-13 04:13:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-13 04:13:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-13 04:13:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-13 04:13:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 04:13:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-13 04:13:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-13 04:13:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 04:13:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-13 04:13:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-13 04:13:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2020-10-13 04:13:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-13 04:13:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-13 04:13:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-13 04:13:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-13 04:13:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-13 04:13:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2020-10-13 04:13:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2020-10-13 04:13:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2020-10-13 04:13:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2020-10-13 04:13:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2020-10-13 04:13:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2020-10-13 04:13:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2020-10-13 04:13:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2020-10-13 04:13:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure set_disk_ro [2020-10-13 04:13:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2020-10-13 04:13:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 04:13:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2020-10-13 04:13:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 04:13:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2020-10-13 04:13:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2020-10-13 04:13:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-13 04:13:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-13 04:13:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create [2020-10-13 04:13:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2020-10-13 04:13:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_alloc [2020-10-13 04:13:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2020-10-13 04:13:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kmalloc [2020-10-13 04:13:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kfree [2020-10-13 04:13:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create_kmalloc_pool [2020-10-13 04:13:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2020-10-13 04:13:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure bio_map_kern [2020-10-13 04:13:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2020-10-13 04:13:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_make_request_5 [2020-10-13 04:13:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_ioctl [2020-10-13 04:13:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2020-10-13 04:13:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure blk_stop_queue [2020-10-13 04:13:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure blk_execute_rq [2020-10-13 04:13:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2020-10-13 04:13:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure blk_peek_request [2020-10-13 04:13:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_request [2020-10-13 04:13:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_all [2020-10-13 04:13:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_queue [2020-10-13 04:13:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2020-10-13 04:13:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_bounce_limit [2020-10-13 04:13:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2020-10-13 04:13:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segments [2020-10-13 04:13:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2020-10-13 04:13:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2020-10-13 04:13:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_physical_block_size [2020-10-13 04:13:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_alignment_offset [2020-10-13 04:13:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_min [2020-10-13 04:13:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_opt [2020-10-13 04:13:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2020-10-13 04:13:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_sg [2020-10-13 04:13:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2020-10-13 04:13:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_make_request [2020-10-13 04:13:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-13 04:13:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-13 04:13:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-13 04:13:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 04:13:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2020-10-13 04:13:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 04:13:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2020-10-13 04:13:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2020-10-13 04:13:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2020-10-13 04:13:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2020-10-13 04:13:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 04:13:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-13 04:13:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2020-10-13 04:13:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2020-10-13 04:13:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-13 04:13:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 04:13:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 04:13:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 04:13:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-13 04:13:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 04:13:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 04:13:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 04:13:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 04:13:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 04:13:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-13 04:13:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-13 04:13:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-13 04:13:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-13 04:13:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-13 04:13:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-13 04:13:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_virtio_driver_1 [2020-10-13 04:13:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_block_device_operations_2 [2020-10-13 04:13:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2020-10-13 04:13:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2020-10-13 04:13:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2020-10-13 04:13:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2020-10-13 04:13:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_add_buf_gfp [2020-10-13 04:13:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_add_buf [2020-10-13 04:13:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_kick [2020-10-13 04:13:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_get_buf [2020-10-13 04:13:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure register_virtio_driver [2020-10-13 04:13:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_virtio_driver [2020-10-13 04:13:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_check_driver_offered_feature [2020-10-13 04:13:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2020-10-13 04:13:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2020-10-13 04:13:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2020-10-13 04:13:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_find_single_vq [2020-10-13 04:13:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-10-13 04:13:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 04:13:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure blk_done [2020-10-13 04:13:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure do_req [2020-10-13 04:13:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure do_virtblk_request [2020-10-13 04:13:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_prepare_flush [2020-10-13 04:13:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_get_id [2020-10-13 04:13:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_ioctl [2020-10-13 04:13:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_getgeo [2020-10-13 04:13:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2020-10-13 04:13:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_probe [2020-10-13 04:13:16,755 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 04:13:16,755 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2020-10-13 04:13:16,755 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-13 04:13:16,755 INFO L130 BoogieDeclarations]: Found specification of procedure fini [2020-10-13 04:13:16,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 04:13:16,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 04:13:16,755 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 04:13:16,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-13 04:13:16,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-13 04:13:16,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-13 04:13:16,756 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR___0 [2020-10-13 04:13:16,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_get_request [2020-10-13 04:13:16,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_blk_rq [2020-10-13 04:13:16,756 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 04:13:16,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 04:13:16,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 04:13:16,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 04:13:16,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 04:13:17,741 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-13 04:13:17,926 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-13 04:13:18,697 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 04:13:18,697 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-13 04:13:18,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:13:18 BoogieIcfgContainer [2020-10-13 04:13:18,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 04:13:18,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 04:13:18,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 04:13:18,712 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 04:13:18,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:13:14" (1/3) ... [2020-10-13 04:13:18,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3811c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:13:18, skipping insertion in model container [2020-10-13 04:13:18,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:16" (2/3) ... [2020-10-13 04:13:18,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3811c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:13:18, skipping insertion in model container [2020-10-13 04:13:18,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:13:18" (3/3) ... [2020-10-13 04:13:18,716 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2020-10-13 04:13:18,728 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 04:13:18,738 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 04:13:18,752 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 04:13:18,779 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 04:13:18,780 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 04:13:18,780 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 04:13:18,780 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 04:13:18,780 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 04:13:18,780 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 04:13:18,780 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 04:13:18,780 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 04:13:18,816 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states. [2020-10-13 04:13:18,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-13 04:13:18,827 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 04:13:18,828 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 04:13:18,828 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 04:13:18,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 04:13:18,835 INFO L82 PathProgramCache]: Analyzing trace with hash 740864229, now seen corresponding path program 1 times [2020-10-13 04:13:18,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 04:13:18,844 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2078926788] [2020-10-13 04:13:18,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 04:13:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:19,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:19,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:20,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:20,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:20,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 04:13:20,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 04:13:20,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1677 [2020-10-13 04:13:20,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:20,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 04:13:20,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 04:13:20,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-13 04:13:20,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 04:13:21,136 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-13 04:13:21,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 04:13:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:21,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:21,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:21,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:13:21,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:21,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-13 04:13:21,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:21,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 04:13:21,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:21,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 04:13:21,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:21,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 04:13:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:21,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:21,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:21,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:13:21,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:21,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 04:13:21,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:21,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 04:13:21,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:21,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 04:13:21,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:21,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 04:13:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:21,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:21,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:21,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 04:13:21,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:21,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 04:13:21,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:21,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 04:13:21,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:21,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 04:13:21,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:21,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 04:13:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:21,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:21,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:21,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:21,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:13:21,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 04:13:21,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 04:13:21,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:21,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 04:13:21,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 04:13:21,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 04:13:21,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:21,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 04:13:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:21,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:21,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:21,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 04:13:21,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:21,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 04:13:21,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:21,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 04:13:21,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:21,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 04:13:21,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:21,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 04:13:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:21,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:21,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:21,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:13:21,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:21,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 04:13:21,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:21,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:21,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:21,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:21,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:21,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 04:13:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:21,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:21,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:21,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:13:21,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:21,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 04:13:21,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:21,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:21,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:21,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:21,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:21,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 04:13:21,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2078926788] [2020-10-13 04:13:21,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 04:13:21,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 04:13:21,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725256931] [2020-10-13 04:13:21,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 04:13:21,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 04:13:21,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 04:13:21,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-13 04:13:21,470 INFO L87 Difference]: Start difference. First operand 879 states. Second operand 8 states. [2020-10-13 04:13:21,648 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 04:13:21,967 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 04:13:22,174 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-13 04:13:22,395 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-13 04:13:22,583 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 04:13:35,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 04:13:35,614 INFO L93 Difference]: Finished difference Result 2870 states and 3784 transitions. [2020-10-13 04:13:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 04:13:35,616 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2020-10-13 04:13:35,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 04:13:35,667 INFO L225 Difference]: With dead ends: 2870 [2020-10-13 04:13:35,668 INFO L226 Difference]: Without dead ends: 1961 [2020-10-13 04:13:35,685 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-10-13 04:13:35,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1961 states. [2020-10-13 04:13:36,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1961 to 1450. [2020-10-13 04:13:36,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1450 states. [2020-10-13 04:13:36,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1450 states and 1743 transitions. [2020-10-13 04:13:36,074 INFO L78 Accepts]: Start accepts. Automaton has 1450 states and 1743 transitions. Word has length 43 [2020-10-13 04:13:36,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 04:13:36,075 INFO L479 AbstractCegarLoop]: Abstraction has 1450 states and 1743 transitions. [2020-10-13 04:13:36,075 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 04:13:36,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 1743 transitions. [2020-10-13 04:13:36,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-13 04:13:36,088 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 04:13:36,089 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 04:13:36,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 04:13:36,089 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 04:13:36,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 04:13:36,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1248262017, now seen corresponding path program 1 times [2020-10-13 04:13:36,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 04:13:36,090 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1067944000] [2020-10-13 04:13:36,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 04:13:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:36,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:36,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:36,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:36,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:37,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:41,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:41,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-13 04:13:41,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 04:13:41,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-10-13 04:13:41,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:41,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 04:13:41,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 04:13:41,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 04:13:41,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:41,338 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-13 04:13:41,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 04:13:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:41,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:41,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:41,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:13:41,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:41,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 04:13:41,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:41,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:41,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:41,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:41,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:41,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 04:13:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:41,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:41,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:41,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:13:41,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:41,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 04:13:41,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:41,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:41,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:41,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:41,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:41,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 04:13:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:41,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:41,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:41,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 04:13:41,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:41,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 04:13:41,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:41,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:41,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:41,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:41,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:41,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 04:13:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:41,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:41,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:41,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 04:13:41,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:41,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 04:13:41,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:41,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 04:13:41,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 04:13:41,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 04:13:41,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:41,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 04:13:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:41,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:41,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:41,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:41,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 04:13:41,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 04:13:41,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 303 [2020-10-13 04:13:41,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:41,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 04:13:41,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-13 04:13:41,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 04:13:41,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:41,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 04:13:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:41,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:42,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:42,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-13 04:13:42,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:42,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264 [2020-10-13 04:13:42,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:42,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 04:13:42,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-13 04:13:42,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 04:13:42,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:42,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:13:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:42,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:42,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:42,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 04:13:42,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:42,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 04:13:42,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:42,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:42,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:42,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:42,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:13:42,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:13:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:42,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:42,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:42,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:13:42,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:42,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 04:13:42,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:42,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:42,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:42,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:42,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:42,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 04:13:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:42,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:42,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:42,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 04:13:42,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:42,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 04:13:42,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:42,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:42,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:42,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:42,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:42,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:13:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:42,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:42,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:42,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:13:42,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:42,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 04:13:42,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:42,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:42,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:42,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:42,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:42,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 04:13:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:42,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:42,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:42,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 04:13:42,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:42,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-13 04:13:42,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:42,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 04:13:42,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 04:13:42,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 04:13:42,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:13:42,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:13:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:42,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:42,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:42,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 04:13:42,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:42,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-13 04:13:42,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:42,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 04:13:42,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 04:13:42,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 04:13:42,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:13:42,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 04:13:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:42,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:42,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:42,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:13:42,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:42,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 04:13:42,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:42,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 04:13:42,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:42,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 04:13:42,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:13:42,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 04:13:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:42,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:42,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:42,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 04:13:42,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:42,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 04:13:42,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:42,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:42,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 04:13:42,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:42,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:13:42,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:13:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:42,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:42,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:42,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:13:42,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:42,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 04:13:42,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:42,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:42,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:42,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:42,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:42,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 04:13:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:42,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:42,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:42,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 04:13:42,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:42,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 04:13:42,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:42,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:42,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 04:13:42,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:42,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 04:13:42,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:13:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:42,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:42,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:42,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:13:42,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:42,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 04:13:42,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:42,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:42,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:42,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:42,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:42,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 04:13:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:42,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:42,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:42,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:13:42,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:42,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 04:13:42,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:42,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:42,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 04:13:42,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:42,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:13:42,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-13 04:13:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:42,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:42,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:42,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 04:13:42,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:42,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 04:13:42,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:42,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:42,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 04:13:42,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:42,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:13:42,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 04:13:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:42,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:42,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:42,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:13:42,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:42,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 04:13:42,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:42,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:42,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:42,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:42,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:42,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 04:13:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:42,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:42,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:42,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:13:42,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:42,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 04:13:42,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:42,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:42,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:42,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:42,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:43,033 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-13 04:13:43,034 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1067944000] [2020-10-13 04:13:43,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 04:13:43,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-13 04:13:43,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453957818] [2020-10-13 04:13:43,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 04:13:43,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 04:13:43,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 04:13:43,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-10-13 04:13:43,039 INFO L87 Difference]: Start difference. First operand 1450 states and 1743 transitions. Second operand 14 states. [2020-10-13 04:13:43,190 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 04:13:43,646 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 04:13:43,809 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 04:13:44,054 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-13 04:13:44,958 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 04:13:47,580 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 04:13:47,919 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 04:13:53,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 04:13:53,596 INFO L93 Difference]: Finished difference Result 3362 states and 4228 transitions. [2020-10-13 04:13:53,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 04:13:53,598 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 132 [2020-10-13 04:13:53,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 04:13:53,615 INFO L225 Difference]: With dead ends: 3362 [2020-10-13 04:13:53,615 INFO L226 Difference]: Without dead ends: 1925 [2020-10-13 04:13:53,622 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2020-10-13 04:13:53,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1925 states. [2020-10-13 04:13:53,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1925 to 1464. [2020-10-13 04:13:53,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1464 states. [2020-10-13 04:13:53,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 1767 transitions. [2020-10-13 04:13:53,829 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 1767 transitions. Word has length 132 [2020-10-13 04:13:53,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 04:13:53,830 INFO L479 AbstractCegarLoop]: Abstraction has 1464 states and 1767 transitions. [2020-10-13 04:13:53,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 04:13:53,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 1767 transitions. [2020-10-13 04:13:53,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-13 04:13:53,838 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 04:13:53,839 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 04:13:53,839 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 04:13:53,839 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 04:13:53,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 04:13:53,840 INFO L82 PathProgramCache]: Analyzing trace with hash -205398133, now seen corresponding path program 1 times [2020-10-13 04:13:53,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 04:13:53,840 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [197533490] [2020-10-13 04:13:53,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 04:13:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:53,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:53,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:54,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:54,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:56,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:56,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-13 04:13:56,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 04:13:56,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2911 [2020-10-13 04:13:56,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:56,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 04:13:56,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 04:13:56,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 04:13:56,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:56,970 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-13 04:13:56,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 04:13:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:56,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:57,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:57,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:13:57,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:57,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 04:13:57,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:57,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:57,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:57,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:57,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:57,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 04:13:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:57,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:57,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:57,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:13:57,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:57,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:13:57,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:57,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:57,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:57,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:57,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:57,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 04:13:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:57,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:57,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:57,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 04:13:57,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:57,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:13:57,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:57,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:57,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:57,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:57,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:57,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 04:13:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:57,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:57,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:57,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 04:13:57,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:57,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 04:13:57,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:57,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 04:13:57,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 04:13:57,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 04:13:57,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:57,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 04:13:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:57,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:57,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:57,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 04:13:57,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:57,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-13 04:13:57,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:57,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:57,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-13 04:13:57,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:57,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:57,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 04:13:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:57,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:57,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:57,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-13 04:13:57,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:57,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-13 04:13:57,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:57,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:57,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:57,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:57,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:57,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:13:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:57,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:57,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:57,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 04:13:57,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:57,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 04:13:57,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:57,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:57,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:57,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:57,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:57,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:13:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:57,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:57,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:57,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:13:57,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:57,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 04:13:57,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:57,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:57,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:57,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:57,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:13:57,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 04:13:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:57,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:57,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:57,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 04:13:57,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:57,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 04:13:57,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:57,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:57,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:57,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:57,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:57,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:13:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:57,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:57,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:57,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:13:57,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:57,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:13:57,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:57,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:57,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:57,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:57,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:57,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 04:13:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:57,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:57,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:57,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 04:13:57,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:57,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 04:13:57,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:57,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:57,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:57,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:57,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:57,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:13:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:57,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:57,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:57,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 04:13:57,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:57,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 04:13:57,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:57,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:57,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:57,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:57,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:57,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 04:13:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:57,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:57,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:57,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 04:13:57,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:57,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 04:13:57,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:57,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:57,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:57,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:57,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:57,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 04:13:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:57,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:57,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:57,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:13:57,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:57,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 04:13:57,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:57,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:57,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:57,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:57,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:13:57,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 04:13:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:57,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:57,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:57,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:13:57,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:57,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:13:57,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:57,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:57,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:57,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:57,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:57,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 04:13:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:57,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:57,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:57,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:13:57,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:57,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 04:13:57,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:57,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:57,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:57,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:57,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:57,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 04:13:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:57,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:57,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:57,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 04:13:57,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:57,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 04:13:57,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:57,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:57,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:57,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:57,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:13:57,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:13:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:57,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:57,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:57,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:13:57,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:57,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:13:57,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:57,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:57,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:57,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:57,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:13:57,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 04:13:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:57,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:57,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:57,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 04:13:57,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:57,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 04:13:57,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:57,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:57,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:57,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:57,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:57,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:13:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:57,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:57,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:57,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:13:57,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:57,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 04:13:57,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:57,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:57,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:57,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:57,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:13:57,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 04:13:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:57,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:57,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:57,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:13:57,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:57,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 04:13:57,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:57,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:57,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:57,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:57,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:13:57,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 04:13:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:57,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:57,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:57,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 04:13:57,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:57,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 04:13:57,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:57,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:57,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 04:13:57,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:57,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:57,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 04:13:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:57,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:57,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:57,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:13:57,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:57,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 04:13:57,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:57,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:57,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:57,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:57,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:13:57,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 04:13:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:57,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:57,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:57,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:13:57,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:57,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 04:13:57,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:57,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:57,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:57,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:57,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:13:57,939 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-13 04:13:57,941 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [197533490] [2020-10-13 04:13:57,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 04:13:57,942 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 04:13:57,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939966296] [2020-10-13 04:13:57,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 04:13:57,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 04:13:57,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 04:13:57,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-10-13 04:13:57,946 INFO L87 Difference]: Start difference. First operand 1464 states and 1767 transitions. Second operand 12 states. [2020-10-13 04:13:58,092 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 04:13:58,416 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 04:13:58,608 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 04:13:58,757 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 04:13:58,936 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-13 04:14:04,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 04:14:04,455 INFO L93 Difference]: Finished difference Result 3374 states and 4229 transitions. [2020-10-13 04:14:04,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 04:14:04,458 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 149 [2020-10-13 04:14:04,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 04:14:04,471 INFO L225 Difference]: With dead ends: 3374 [2020-10-13 04:14:04,471 INFO L226 Difference]: Without dead ends: 1926 [2020-10-13 04:14:04,478 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2020-10-13 04:14:04,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1926 states. [2020-10-13 04:14:04,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1926 to 1465. [2020-10-13 04:14:04,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1465 states. [2020-10-13 04:14:04,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1465 states and 1768 transitions. [2020-10-13 04:14:04,650 INFO L78 Accepts]: Start accepts. Automaton has 1465 states and 1768 transitions. Word has length 149 [2020-10-13 04:14:04,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 04:14:04,653 INFO L479 AbstractCegarLoop]: Abstraction has 1465 states and 1768 transitions. [2020-10-13 04:14:04,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 04:14:04,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1465 states and 1768 transitions. [2020-10-13 04:14:04,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-13 04:14:04,659 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 04:14:04,659 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 04:14:04,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 04:14:04,660 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 04:14:04,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 04:14:04,660 INFO L82 PathProgramCache]: Analyzing trace with hash -537155664, now seen corresponding path program 2 times [2020-10-13 04:14:04,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 04:14:04,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1410305846] [2020-10-13 04:14:04,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 04:14:04,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:04,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:04,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:04,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:05,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:07,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:07,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-13 04:14:07,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 04:14:07,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3211 [2020-10-13 04:14:07,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:07,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 04:14:07,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 04:14:07,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 04:14:07,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:08,064 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-13 04:14:08,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 04:14:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:08,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:08,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:08,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:08,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:08,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 04:14:08,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:08,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:08,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:08,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:08,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:08,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 04:14:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:08,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:08,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:08,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:14:08,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:08,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 04:14:08,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:08,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:08,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:08,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:08,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:08,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 04:14:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:08,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:08,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:08,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 04:14:08,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:08,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 04:14:08,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:08,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:08,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:08,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:08,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:08,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 04:14:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:08,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:08,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:08,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 04:14:08,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:08,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 04:14:08,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:08,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 04:14:08,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 04:14:08,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 04:14:08,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:08,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 04:14:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:08,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:08,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:08,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 04:14:08,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:08,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-13 04:14:08,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:08,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:08,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-13 04:14:08,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:08,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:08,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 04:14:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:08,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:08,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:08,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-13 04:14:08,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:08,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-13 04:14:08,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:08,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:08,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:08,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:08,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:08,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:08,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:08,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:08,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 04:14:08,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:08,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 04:14:08,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:08,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:08,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:08,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:08,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:08,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:08,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:08,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:08,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:14:08,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:08,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 04:14:08,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:08,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:08,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:08,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:08,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:08,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 04:14:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:08,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:08,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:08,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 04:14:08,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:08,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 04:14:08,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:08,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:08,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:08,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:08,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:08,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:08,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:08,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:08,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:08,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:08,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 04:14:08,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:08,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:08,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:08,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:08,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:08,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 04:14:08,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:08,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:08,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:08,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 04:14:08,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:08,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 04:14:08,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:08,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:08,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:08,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:08,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:08,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:08,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:08,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:08,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 04:14:08,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:08,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 04:14:08,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:08,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:08,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:08,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:08,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:08,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 04:14:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:08,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:08,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:08,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 04:14:08,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:08,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 04:14:08,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:08,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:08,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:08,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:08,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:08,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 04:14:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:08,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:08,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:08,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:14:08,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:08,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 04:14:08,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:08,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:08,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:08,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:08,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:08,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 04:14:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:08,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:08,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:08,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:08,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:08,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 04:14:08,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:08,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:08,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:08,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:08,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:08,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 04:14:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:08,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:08,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:08,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:14:08,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:08,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 04:14:08,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:08,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:08,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:08,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:08,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:08,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 04:14:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:08,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:08,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:08,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 04:14:08,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:08,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 04:14:08,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:08,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:08,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:08,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:08,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:08,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:08,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:08,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:08,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:08,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:08,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 04:14:08,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:08,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:08,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:08,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:08,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:08,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 04:14:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:08,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:08,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:08,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 04:14:08,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:08,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 04:14:08,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:08,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:08,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:08,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:08,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:08,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:08,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:08,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:08,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:08,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:08,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:14:08,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:08,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:08,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:08,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:08,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:08,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 04:14:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:08,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:08,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:08,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:08,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:08,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:14:08,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:08,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:08,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:08,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:08,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 04:14:08,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 04:14:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:08,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:08,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:08,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 04:14:08,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:08,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 04:14:08,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:08,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:08,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 04:14:08,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:08,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:14:08,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 04:14:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:08,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:08,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:08,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:08,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:08,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:14:08,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:08,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:08,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:08,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:08,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:14:08,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 04:14:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:08,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:08,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:08,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:08,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:08,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 04:14:08,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:08,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:08,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:08,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:08,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:08,936 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-13 04:14:08,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1410305846] [2020-10-13 04:14:08,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 04:14:08,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 04:14:08,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994492839] [2020-10-13 04:14:08,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 04:14:08,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 04:14:08,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 04:14:08,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-13 04:14:08,943 INFO L87 Difference]: Start difference. First operand 1465 states and 1768 transitions. Second operand 13 states. [2020-10-13 04:14:09,098 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 04:14:09,428 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 04:14:09,584 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 04:14:09,740 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 04:14:09,899 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 04:14:10,057 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-13 04:14:15,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 04:14:15,932 INFO L93 Difference]: Finished difference Result 3375 states and 4230 transitions. [2020-10-13 04:14:15,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 04:14:15,933 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 150 [2020-10-13 04:14:15,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 04:14:15,944 INFO L225 Difference]: With dead ends: 3375 [2020-10-13 04:14:15,945 INFO L226 Difference]: Without dead ends: 1927 [2020-10-13 04:14:15,950 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-10-13 04:14:15,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1927 states. [2020-10-13 04:14:16,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1927 to 1466. [2020-10-13 04:14:16,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1466 states. [2020-10-13 04:14:16,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1466 states and 1769 transitions. [2020-10-13 04:14:16,107 INFO L78 Accepts]: Start accepts. Automaton has 1466 states and 1769 transitions. Word has length 150 [2020-10-13 04:14:16,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 04:14:16,108 INFO L479 AbstractCegarLoop]: Abstraction has 1466 states and 1769 transitions. [2020-10-13 04:14:16,108 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 04:14:16,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 1769 transitions. [2020-10-13 04:14:16,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-13 04:14:16,113 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 04:14:16,113 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] [2020-10-13 04:14:16,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 04:14:16,114 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 04:14:16,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 04:14:16,114 INFO L82 PathProgramCache]: Analyzing trace with hash 2063262763, now seen corresponding path program 3 times [2020-10-13 04:14:16,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 04:14:16,115 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [886942642] [2020-10-13 04:14:16,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 04:14:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:16,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:16,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:16,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:16,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:16,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-13 04:14:16,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 04:14:16,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 749 [2020-10-13 04:14:16,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:16,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 04:14:16,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-13 04:14:16,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-13 04:14:16,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:17,097 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-13 04:14:17,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 04:14:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:17,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:17,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:17,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:17,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:17,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 04:14:17,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:17,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:17,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:17,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:17,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:17,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 04:14:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:17,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:17,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:17,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:14:17,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:17,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:14:17,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:17,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:17,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:17,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:17,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:17,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 04:14:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:17,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:17,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:17,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 04:14:17,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:17,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:14:17,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:17,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:17,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:17,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:17,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:17,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 04:14:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:17,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:17,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:17,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 04:14:17,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:17,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 04:14:17,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:17,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:17,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:17,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:17,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:17,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 04:14:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:17,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:17,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:17,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 04:14:17,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:17,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-13 04:14:17,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:17,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 04:14:17,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:17,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-13 04:14:17,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:17,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 04:14:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:17,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:17,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:17,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-13 04:14:17,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:17,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 04:14:17,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:17,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:17,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:17,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:17,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:17,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:17,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:17,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:17,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 04:14:17,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:17,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 04:14:17,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:17,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:17,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:17,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:17,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:14:17,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:17,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:17,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:17,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:14:17,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:17,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:14:17,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:17,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:17,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:17,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:17,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:14:17,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 04:14:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:17,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:17,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:17,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 04:14:17,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:17,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 04:14:17,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:17,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:17,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:17,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:17,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:17,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:17,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:17,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:17,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:17,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:17,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:14:17,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:17,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:17,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:17,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:17,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:17,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 04:14:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:17,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:17,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:17,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 04:14:17,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:17,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 04:14:17,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:17,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:17,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:17,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:17,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:17,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:17,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:17,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:17,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 04:14:17,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:17,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 04:14:17,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:17,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:17,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:17,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:17,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:17,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 04:14:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:17,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:17,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:17,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 04:14:17,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:17,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 04:14:17,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:17,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:17,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:17,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:17,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:17,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 04:14:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:17,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:17,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:17,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:14:17,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:17,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 04:14:17,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:17,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:17,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:17,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:17,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:17,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 04:14:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:17,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:17,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:17,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:17,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:17,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 04:14:17,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:17,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:17,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:17,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:17,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:14:17,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 04:14:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:17,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:17,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:17,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:14:17,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:17,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:14:17,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:17,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:17,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:17,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:17,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:17,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 04:14:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:17,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:17,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:17,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 04:14:17,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:17,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 04:14:17,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:17,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:17,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:17,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:17,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:17,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:17,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:17,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:17,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:17,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:17,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 04:14:17,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:17,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:17,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:17,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:17,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:14:17,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 04:14:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:17,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:17,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:17,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 04:14:17,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:17,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 04:14:17,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:17,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:17,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:17,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:17,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:17,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:17,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:17,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:17,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:17,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:17,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 04:14:17,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:17,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:17,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:17,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:17,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:14:17,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 04:14:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:17,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:17,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:17,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:17,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:17,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:14:17,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:17,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:17,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:17,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:17,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:17,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-13 04:14:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:17,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:17,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:17,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 04:14:17,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:17,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 04:14:17,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:17,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:17,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 04:14:17,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:17,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:17,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 04:14:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:17,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:17,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:17,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:17,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:17,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:14:17,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:17,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:17,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:17,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:17,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:14:17,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 04:14:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:17,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:17,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:17,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:17,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:17,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 04:14:17,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:17,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:17,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:17,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:17,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:17,921 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-13 04:14:17,922 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [886942642] [2020-10-13 04:14:17,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 04:14:17,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 04:14:17,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718123588] [2020-10-13 04:14:17,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 04:14:17,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 04:14:17,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 04:14:17,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 04:14:17,925 INFO L87 Difference]: Start difference. First operand 1466 states and 1769 transitions. Second operand 9 states. [2020-10-13 04:14:18,066 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 04:14:18,286 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 04:14:18,453 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-13 04:14:29,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 04:14:29,794 INFO L93 Difference]: Finished difference Result 3744 states and 4828 transitions. [2020-10-13 04:14:29,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 04:14:29,795 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 151 [2020-10-13 04:14:29,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 04:14:29,815 INFO L225 Difference]: With dead ends: 3744 [2020-10-13 04:14:29,815 INFO L226 Difference]: Without dead ends: 3727 [2020-10-13 04:14:29,818 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-10-13 04:14:29,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3727 states. [2020-10-13 04:14:30,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3727 to 2819. [2020-10-13 04:14:30,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2819 states. [2020-10-13 04:14:30,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2819 states and 3412 transitions. [2020-10-13 04:14:30,186 INFO L78 Accepts]: Start accepts. Automaton has 2819 states and 3412 transitions. Word has length 151 [2020-10-13 04:14:30,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 04:14:30,187 INFO L479 AbstractCegarLoop]: Abstraction has 2819 states and 3412 transitions. [2020-10-13 04:14:30,187 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 04:14:30,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states and 3412 transitions. [2020-10-13 04:14:30,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-13 04:14:30,195 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 04:14:30,195 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] [2020-10-13 04:14:30,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 04:14:30,196 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 04:14:30,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 04:14:30,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1569727802, now seen corresponding path program 1 times [2020-10-13 04:14:30,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 04:14:30,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1372772247] [2020-10-13 04:14:30,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 04:14:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:30,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:30,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:30,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:30,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-13 04:14:30,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 04:14:30,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 470 [2020-10-13 04:14:30,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:30,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 04:14:30,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-13 04:14:30,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 04:14:30,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:30,897 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-13 04:14:30,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 04:14:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:30,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:30,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:30,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:30,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:30,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 04:14:30,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:30,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:30,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:30,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:30,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:30,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 04:14:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:30,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:30,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:30,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:14:30,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:30,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 04:14:30,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:30,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:30,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:30,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:30,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:30,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 04:14:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:30,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:30,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:30,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 04:14:30,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:30,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 04:14:30,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:30,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:30,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:30,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:30,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:30,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 04:14:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:30,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:30,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:30,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 04:14:30,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:30,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 04:14:30,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:30,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:30,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:30,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:30,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:14:31,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 04:14:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:31,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:31,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:31,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 04:14:31,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:31,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-13 04:14:31,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:31,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:31,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-13 04:14:31,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:31,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:31,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 04:14:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:31,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:31,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:31,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-13 04:14:31,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:31,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 04:14:31,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:31,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:31,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:31,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:31,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:31,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:31,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:31,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:31,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 04:14:31,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:31,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 04:14:31,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:31,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:31,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:31,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:31,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:31,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:31,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:31,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:31,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:14:31,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:31,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 04:14:31,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:31,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:31,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:31,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:31,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:31,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 04:14:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:31,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:31,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:31,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 04:14:31,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:31,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:14:31,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:31,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:31,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:31,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:31,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:31,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:31,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:31,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:31,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:31,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:31,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 04:14:31,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:31,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:31,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:31,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:31,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:31,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 04:14:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:31,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:31,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:31,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 04:14:31,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:31,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 04:14:31,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:31,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:31,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:31,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:31,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:31,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:31,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:31,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:31,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 04:14:31,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:31,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 04:14:31,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:31,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:31,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:31,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:31,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:31,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 04:14:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:31,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:31,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:31,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 04:14:31,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:31,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 04:14:31,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:31,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:31,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:31,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:31,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:31,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 04:14:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:31,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:31,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:31,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:14:31,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:31,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 04:14:31,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:31,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:31,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:31,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:31,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:31,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 04:14:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:31,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:31,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:31,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:31,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:31,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:14:31,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:31,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:31,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:31,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:31,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:31,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 04:14:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:31,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:31,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:31,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:14:31,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:31,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:14:31,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:31,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:31,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:31,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:31,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:31,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 04:14:31,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:31,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:31,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:31,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 04:14:31,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:31,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 04:14:31,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:31,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:31,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:31,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:31,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:31,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:31,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:31,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:31,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:31,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:31,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 04:14:31,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:31,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:31,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:31,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:31,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:31,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 04:14:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:31,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:31,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:31,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 04:14:31,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:31,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 04:14:31,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:31,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:31,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:31,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:31,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:31,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:31,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:31,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:31,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:31,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:31,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 04:14:31,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:31,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:31,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:31,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:31,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:31,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 04:14:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:31,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:31,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:31,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:31,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:31,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 04:14:31,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:31,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:31,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:31,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:31,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:31,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 04:14:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:31,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:31,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:31,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 04:14:31,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:31,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 04:14:31,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:31,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:31,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 04:14:31,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:31,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:31,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:31,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:31,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:31,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:31,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:31,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:14:31,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:31,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:31,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:31,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:31,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:31,575 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-13 04:14:31,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1372772247] [2020-10-13 04:14:31,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 04:14:31,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 04:14:31,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627632690] [2020-10-13 04:14:31,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 04:14:31,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 04:14:31,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 04:14:31,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-13 04:14:31,577 INFO L87 Difference]: Start difference. First operand 2819 states and 3412 transitions. Second operand 10 states. [2020-10-13 04:14:31,807 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 04:14:32,080 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 04:14:32,319 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-13 04:14:43,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 04:14:43,955 INFO L93 Difference]: Finished difference Result 9660 states and 12273 transitions. [2020-10-13 04:14:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 04:14:43,955 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 153 [2020-10-13 04:14:43,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 04:14:43,990 INFO L225 Difference]: With dead ends: 9660 [2020-10-13 04:14:43,990 INFO L226 Difference]: Without dead ends: 6876 [2020-10-13 04:14:44,001 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2020-10-13 04:14:44,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6876 states. [2020-10-13 04:14:44,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6876 to 5079. [2020-10-13 04:14:44,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5079 states. [2020-10-13 04:14:44,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5079 states to 5079 states and 6106 transitions. [2020-10-13 04:14:44,552 INFO L78 Accepts]: Start accepts. Automaton has 5079 states and 6106 transitions. Word has length 153 [2020-10-13 04:14:44,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 04:14:44,552 INFO L479 AbstractCegarLoop]: Abstraction has 5079 states and 6106 transitions. [2020-10-13 04:14:44,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 04:14:44,553 INFO L276 IsEmpty]: Start isEmpty. Operand 5079 states and 6106 transitions. [2020-10-13 04:14:44,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-13 04:14:44,563 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 04:14:44,563 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] [2020-10-13 04:14:44,564 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 04:14:44,564 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 04:14:44,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 04:14:44,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1371115715, now seen corresponding path program 1 times [2020-10-13 04:14:44,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 04:14:44,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1450080943] [2020-10-13 04:14:44,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 04:14:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:44,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:44,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:45,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:45,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-13 04:14:45,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 04:14:45,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1177 [2020-10-13 04:14:45,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:45,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 04:14:45,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-13 04:14:45,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 04:14:45,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:45,982 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-13 04:14:45,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 04:14:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:45,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:46,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 04:14:46,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:46,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:46,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:46,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 04:14:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:14:46,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 04:14:46,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:46,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:46,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:46,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 04:14:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 04:14:46,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 04:14:46,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:46,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:46,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:46,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 04:14:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 04:14:46,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 04:14:46,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:46,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:46,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:46,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 04:14:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 04:14:46,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 04:14:46,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 04:14:46,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 04:14:46,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:46,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:46,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 04:14:46,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:46,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:46,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:46,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 04:14:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 04:14:46,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 04:14:46,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 04:14:46,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 04:14:46,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:46,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:14:46,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 04:14:46,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:46,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:46,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:46,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 04:14:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 04:14:46,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 04:14:46,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 04:14:46,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 04:14:46,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:46,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:14:46,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:14:46,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:46,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:46,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:46,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 04:14:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 04:14:46,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-13 04:14:46,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:46,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-13 04:14:46,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:46,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:46,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 04:14:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-13 04:14:46,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 04:14:46,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:46,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:46,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:46,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:46,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 04:14:46,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 04:14:46,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:46,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:46,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:46,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:14:46,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:14:46,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:46,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:46,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:46,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 04:14:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 04:14:46,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 04:14:46,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:46,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:46,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:46,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:46,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 04:14:46,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:46,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:46,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:46,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 04:14:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 04:14:46,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 04:14:46,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:46,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:46,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:46,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 04:14:46,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 04:14:46,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:46,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:46,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:46,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 04:14:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 04:14:46,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 04:14:46,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:46,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:46,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:46,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 04:14:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:14:46,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:14:46,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:46,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:46,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:14:46,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 04:14:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:46,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 04:14:46,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:46,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:46,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:14:46,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 04:14:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:14:46,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 04:14:46,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:46,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:46,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:14:46,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 04:14:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 04:14:46,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 04:14:46,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:46,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:46,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:14:46,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:46,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:14:46,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:46,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:46,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:14:46,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 04:14:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 04:14:46,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 04:14:46,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:46,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:46,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:14:46,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 04:14:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:46,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 04:14:46,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:46,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:46,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:14:46,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 04:14:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:46,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:14:46,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:46,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:46,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:46,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-13 04:14:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 04:14:46,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 04:14:46,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:46,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 04:14:46,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:46,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:46,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 04:14:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:46,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:14:46,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:46,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:46,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:14:46,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 04:14:46,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:46,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:46,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:46,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:46,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:46,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:14:46,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:46,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:46,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:46,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:46,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:14:47,011 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-10-13 04:14:47,016 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1450080943] [2020-10-13 04:14:47,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 04:14:47,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-13 04:14:47,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254670248] [2020-10-13 04:14:47,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 04:14:47,018 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 04:14:47,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 04:14:47,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-10-13 04:14:47,018 INFO L87 Difference]: Start difference. First operand 5079 states and 6106 transitions. Second operand 14 states. [2020-10-13 04:14:47,186 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 04:14:54,405 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 04:14:58,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 04:14:58,037 INFO L93 Difference]: Finished difference Result 11924 states and 14971 transitions. [2020-10-13 04:14:58,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 04:14:58,037 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 192 [2020-10-13 04:14:58,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 04:14:58,070 INFO L225 Difference]: With dead ends: 11924 [2020-10-13 04:14:58,070 INFO L226 Difference]: Without dead ends: 6870 [2020-10-13 04:14:58,085 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2020-10-13 04:14:58,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6870 states. [2020-10-13 04:14:58,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6870 to 5046. [2020-10-13 04:14:58,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5046 states. [2020-10-13 04:14:58,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5046 states to 5046 states and 6065 transitions. [2020-10-13 04:14:58,764 INFO L78 Accepts]: Start accepts. Automaton has 5046 states and 6065 transitions. Word has length 192 [2020-10-13 04:14:58,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 04:14:58,764 INFO L479 AbstractCegarLoop]: Abstraction has 5046 states and 6065 transitions. [2020-10-13 04:14:58,764 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 04:14:58,764 INFO L276 IsEmpty]: Start isEmpty. Operand 5046 states and 6065 transitions. [2020-10-13 04:14:58,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-13 04:14:58,774 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 04:14:58,775 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] [2020-10-13 04:14:58,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 04:14:58,775 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 04:14:58,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 04:14:58,776 INFO L82 PathProgramCache]: Analyzing trace with hash -428359622, now seen corresponding path program 1 times [2020-10-13 04:14:58,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 04:14:58,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [205183510] [2020-10-13 04:14:58,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 04:14:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-13 04:14:58,859 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-13 04:14:58,859 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-13 04:14:58,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 04:14:58,875 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2020-10-13 04:14:58,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 04:14:58 BoogieIcfgContainer [2020-10-13 04:14:58,907 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 04:14:58,909 INFO L168 Benchmark]: Toolchain (without parser) took 104229.15 ms. Allocated memory was 140.5 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 97.1 MB in the beginning and 658.2 MB in the end (delta: -561.1 MB). Peak memory consumption was 656.3 MB. Max. memory is 7.1 GB. [2020-10-13 04:14:58,910 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 04:14:58,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1748.72 ms. Allocated memory was 140.5 MB in the beginning and 242.2 MB in the end (delta: 101.7 MB). Free memory was 96.8 MB in the beginning and 188.5 MB in the end (delta: -91.6 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2020-10-13 04:14:58,911 INFO L168 Benchmark]: Boogie Preprocessor took 202.92 ms. Allocated memory is still 242.2 MB. Free memory was 188.5 MB in the beginning and 176.6 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2020-10-13 04:14:58,912 INFO L168 Benchmark]: RCFGBuilder took 2072.64 ms. Allocated memory was 242.2 MB in the beginning and 255.3 MB in the end (delta: 13.1 MB). Free memory was 176.6 MB in the beginning and 168.5 MB in the end (delta: 8.1 MB). Peak memory consumption was 106.6 MB. Max. memory is 7.1 GB. [2020-10-13 04:14:58,913 INFO L168 Benchmark]: TraceAbstraction took 100198.31 ms. Allocated memory was 255.3 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 168.5 MB in the beginning and 658.2 MB in the end (delta: -489.6 MB). Peak memory consumption was 612.9 MB. Max. memory is 7.1 GB. [2020-10-13 04:14:58,915 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1748.72 ms. Allocated memory was 140.5 MB in the beginning and 242.2 MB in the end (delta: 101.7 MB). Free memory was 96.8 MB in the beginning and 188.5 MB in the end (delta: -91.6 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 202.92 ms. Allocated memory is still 242.2 MB. Free memory was 188.5 MB in the beginning and 176.6 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2072.64 ms. Allocated memory was 242.2 MB in the beginning and 255.3 MB in the end (delta: 13.1 MB). Free memory was 176.6 MB in the beginning and 168.5 MB in the end (delta: 8.1 MB). Peak memory consumption was 106.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 100198.31 ms. Allocated memory was 255.3 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 168.5 MB in the beginning and 658.2 MB in the end (delta: -489.6 MB). Peak memory consumption was 612.9 MB. Max. memory is 7.1 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: 3558]: 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 4255. Possible FailurePath: [L3581] int LDV_IN_INTERRUPT = 1; [L3582] struct block_device *virtblk_fops_group0 ; [L3583] int ldv_state_variable_2 ; [L3584] int ref_cnt ; [L3585] int ldv_state_variable_1 ; [L3586] struct virtio_device *virtio_blk_group0 ; [L3587] int ldv_state_variable_0 ; [L3718] static int major ; [L3719] static int index ; [L4044-L4045] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L4243-L4244] static struct virtio_device_id const id_table[2U] = { {2U, 4294967295U}, {0U, 0U}}; [L4245-L4248] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4249-L4250] 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}; [L4272] struct virtio_device_id const __mod_virtio_device_table ; [L4273] int ldv_retval_0 ; [L4274] int ldv_retval_1 ; [L4511] int ldv_blk_rq = 0; [L4297] unsigned long ldvarg1 ; [L4298] unsigned long tmp ; [L4299] fmode_t ldvarg3 ; [L4300] struct hd_geometry *ldvarg0 ; [L4301] void *tmp___0 ; [L4302] unsigned int ldvarg2 ; [L4303] unsigned int tmp___1 ; [L4304] int tmp___2 ; [L4305] int tmp___3 ; [L4306] int tmp___4 ; [L4307] int tmp___5 ; [L4309] tmp = __VERIFIER_nondet_ulong() [L4310] ldvarg1 = tmp [L4311] CALL, EXPR ldv_zalloc(16UL) [L3522] void *p ; [L3523] void *tmp ; [L3524] int tmp___0 ; [L3526] tmp___0 = __VERIFIER_nondet_int() [L3527] COND TRUE tmp___0 != 0 [L3528] return ((void *)0); [L4311] RET, EXPR ldv_zalloc(16UL) [L4311] tmp___0 = ldv_zalloc(16UL) [L4312] ldvarg0 = (struct hd_geometry *)tmp___0 [L4313] tmp___1 = __VERIFIER_nondet_uint() [L4314] ldvarg2 = tmp___1 [L4315] FCALL ldv_initialize() [L4316] FCALL memset((void *)(& ldvarg3), 0, 4UL) [L4317] ldv_state_variable_1 = 0 [L4318] ref_cnt = 0 [L4319] ldv_state_variable_0 = 1 [L4320] ldv_state_variable_2 = 0 [L4322] tmp___2 = __VERIFIER_nondet_int() [L4324] case 0: [L4354] case 1: [L4355] COND TRUE ldv_state_variable_0 != 0 [L4356] tmp___4 = __VERIFIER_nondet_int() [L4358] case 0: [L4366] case 1: [L4367] COND TRUE ldv_state_variable_0 == 1 [L4368] CALL, EXPR init() [L4253] int tmp ; [L4255] CALL, EXPR register_blkdev(0U, "virtblk") [L4711] return __VERIFIER_nondet_int(); [L4255] RET, EXPR register_blkdev(0U, "virtblk") [L4255] major = register_blkdev(0U, "virtblk") [L4256] COND FALSE !(major < 0) [L4260] CALL, EXPR register_virtio_driver(& virtio_blk) [L4715] return __VERIFIER_nondet_int(); [L4260] RET, EXPR register_virtio_driver(& virtio_blk) [L4260] tmp = register_virtio_driver(& virtio_blk) [L4261] return (tmp); [L4368] RET, EXPR init() [L4368] ldv_retval_1 = init() [L4369] COND TRUE ldv_retval_1 == 0 [L4370] ldv_state_variable_0 = 3 [L4371] ldv_state_variable_2 = 1 [L4372] CALL ldv_initialize_block_device_operations_2() [L4288] void *tmp ; [L4290] CALL, EXPR ldv_zalloc(464UL) [L3522] void *p ; [L3523] void *tmp ; [L3524] int tmp___0 ; [L3526] tmp___0 = __VERIFIER_nondet_int() [L3527] COND TRUE tmp___0 != 0 [L3528] return ((void *)0); [L4290] RET, EXPR ldv_zalloc(464UL) [L4290] tmp = ldv_zalloc(464UL) [L4291] virtblk_fops_group0 = (struct block_device *)tmp [L4372] RET ldv_initialize_block_device_operations_2() [L4373] ldv_state_variable_1 = 1 [L4374] CALL ldv_initialize_virtio_driver_1() [L4279] void *tmp ; [L4281] CALL, EXPR ldv_zalloc(1048UL) [L3522] void *p ; [L3523] void *tmp ; [L3524] int tmp___0 ; [L3526] tmp___0 = __VERIFIER_nondet_int() [L3527] COND TRUE tmp___0 != 0 [L3528] return ((void *)0); [L4281] RET, EXPR ldv_zalloc(1048UL) [L4281] tmp = ldv_zalloc(1048UL) [L4282] virtio_blk_group0 = (struct virtio_device *)tmp [L4374] RET ldv_initialize_virtio_driver_1() [L4377] COND FALSE !(ldv_retval_1 != 0) [L4322] tmp___2 = __VERIFIER_nondet_int() [L4324] case 0: [L4354] case 1: [L4392] case 2: [L4393] COND TRUE ldv_state_variable_2 != 0 [L4394] tmp___5 = __VERIFIER_nondet_int() [L4396] case 0: [L4397] COND TRUE ldv_state_variable_2 == 1 [L4398] EXPR \read(ldvarg3) [L4398] CALL virtblk_ioctl(virtblk_fops_group0, ldvarg3, ldvarg2, ldvarg1) [L3982] struct gendisk *disk ; [L3983] struct virtio_blk *vblk ; [L3984] void *usr_data ; [L3985] char id_str[20U] ; [L3986] int err ; [L3987] int tmp ; [L3988] bool tmp___0 ; [L3989] int tmp___1 ; [L3990] int tmp___2 ; [L3992] EXPR bdev->bd_disk [L3992] disk = bdev->bd_disk [L3993] EXPR disk->private_data [L3993] vblk = (struct virtio_blk *)disk->private_data [L3994] COND TRUE cmd == 1447184708U [L3995] usr_data = (void *)data [L3996] CALL, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3949] struct virtio_blk *vblk ; [L3950] struct request *req ; [L3951] struct bio *bio ; [L3952] long tmp ; [L3953] long tmp___0 ; [L3954] long tmp___1 ; [L3955] long tmp___2 ; [L3956] int tmp___3 ; [L3958] EXPR disk->private_data [L3958] vblk = (struct virtio_blk *)disk->private_data [L3959] EXPR vblk->disk [L3959] EXPR (vblk->disk)->queue [L3959] CALL, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L4613] CALL, EXPR ldv_malloc(sizeof(struct bio)) [L3504] void *p ; [L3505] void *tmp ; [L3506] int tmp___0 ; [L3508] tmp___0 = __VERIFIER_nondet_int() [L3509] COND TRUE tmp___0 != 0 [L3510] return ((void *)0); [L4613] RET, EXPR ldv_malloc(sizeof(struct bio)) [L4613] return ldv_malloc(sizeof(struct bio)); [L3959] RET, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3959] bio = bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3960] CALL, EXPR IS_ERR((void const *)bio) [L4445] long tmp ; [L4447] CALL, EXPR ldv_is_err(ptr) [L4470] return ((unsigned long )ptr > 2012UL); [L4447] RET, EXPR ldv_is_err(ptr) [L4447] tmp = ldv_is_err(ptr) [L4448] return (tmp); [L3960] RET, EXPR IS_ERR((void const *)bio) [L3960] tmp___0 = IS_ERR((void const *)bio) [L3961] COND FALSE !(tmp___0 != 0L) [L3966] EXPR vblk->disk [L3966] EXPR (vblk->disk)->queue [L3966] CALL, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L4454] struct request *tmp ; [L4456] CALL, EXPR ldv_blk_make_request(ldv_func_arg3) [L4537] struct request *res ; [L4538] long tmp___0 ; [L4540] COND TRUE ldv_blk_rq == 0 [L4544] CALL, EXPR ldv_malloc(sizeof(struct request)) [L3504] void *p ; [L3505] void *tmp ; [L3506] int tmp___0 ; [L3508] tmp___0 = __VERIFIER_nondet_int() [L3509] COND FALSE !(tmp___0 != 0) [L3512] tmp = malloc(size) [L3513] p = tmp [L3514] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) [L3499] COND FALSE !(!cond) [L3514] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) [L3515] CALL, EXPR ldv_is_err(p) [L4470] return ((unsigned long )ptr > 2012UL); [L3515] RET, EXPR ldv_is_err(p) [L3515] CALL assume_abort_if_not(ldv_is_err(p) == 0) [L3499] COND FALSE !(!cond) [L3515] RET assume_abort_if_not(ldv_is_err(p) == 0) [L3516] return (p); [L4544] RET, EXPR ldv_malloc(sizeof(struct request)) [L4544] res = ldv_malloc(sizeof(struct request)) [L4545] COND TRUE (unsigned long )res != (unsigned long )((void *)0) [L4549] CALL, EXPR IS_ERR___0(res) [L4505] long tmp ; [L4507] CALL, EXPR ldv__builtin_expect(! (! ((unsigned long )ptr >= 0xfffffffffffff001UL)), 0) [L3571] return (exp); [L4507] RET, EXPR ldv__builtin_expect(! (! ((unsigned long )ptr >= 0xfffffffffffff001UL)), 0) [L4507] tmp = ldv__builtin_expect(! (! ((unsigned long )ptr >= 0xfffffffffffff001UL)), 0) [L4508] return (tmp); [L4549] RET, EXPR IS_ERR___0(res) [L4549] tmp___0 = IS_ERR___0(res) [L4550] COND FALSE !(\read(tmp___0)) [L4552] ldv_blk_rq = 1 [L4554] return (res); [L4456] RET, EXPR ldv_blk_make_request(ldv_func_arg3) [L4456] tmp = ldv_blk_make_request(ldv_func_arg3) [L4457] return (tmp); [L3966] RET, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3966] req = ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3967] CALL, EXPR IS_ERR((void const *)req) [L4445] long tmp ; [L4447] CALL, EXPR ldv_is_err(ptr) [L4470] return ((unsigned long )ptr > 2012UL); [L4447] RET, EXPR ldv_is_err(ptr) [L4447] tmp = ldv_is_err(ptr) [L4448] return (tmp); [L3967] RET, EXPR IS_ERR((void const *)req) [L3967] tmp___2 = IS_ERR((void const *)req) [L3968] COND FALSE !(tmp___2 != 0L) [L3974] req->cmd_type = 7 [L3975] EXPR vblk->disk [L3975] EXPR (vblk->disk)->queue [L3975] EXPR vblk->disk [L3975] CALL, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L4623] return __VERIFIER_nondet_int(); [L3975] RET, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3975] tmp___3 = blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3976] return (tmp___3); [L3996] RET, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3996] err = virtblk_get_id(disk, (char *)(& id_str)) [L3997] COND FALSE !(err == 0) [L4005] return (err); [L4005] return (err); [L4398] RET virtblk_ioctl(virtblk_fops_group0, ldvarg3, ldvarg2, ldvarg1) [L4399] ldv_state_variable_2 = 1 [L4322] tmp___2 = __VERIFIER_nondet_int() [L4324] case 0: [L4354] case 1: [L4355] COND TRUE ldv_state_variable_0 != 0 [L4356] tmp___4 = __VERIFIER_nondet_int() [L4358] case 0: [L4359] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L4360] CALL fini() [L4267] FCALL unregister_blkdev((unsigned int )major, "virtblk") [L4268] FCALL unregister_virtio_driver(& virtio_blk) [L4360] RET fini() [L4361] ldv_state_variable_0 = 2 [L4423] CALL ldv_check_final_state() [L4571] COND FALSE !(ldv_blk_rq == 0) [L4573] CALL ldv_error() [L3558] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 129 procedures, 899 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 100.0s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 73.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5452 SDtfs, 15612 SDslu, 12028 SDs, 0 SdLazy, 26419 SolverSat, 12077 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 54.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 409 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5079occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 6423 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 22.6s InterpolantComputationTime, 1167 NumberOfCodeBlocks, 1167 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 963 ConstructedInterpolants, 0 QuantifiedInterpolants, 394685 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 190/200 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...