/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 04:51:53,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 04:51:53,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 04:51:53,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 04:51:53,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 04:51:53,475 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 04:51:53,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 04:51:53,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 04:51:53,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 04:51:53,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 04:51:53,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 04:51:53,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 04:51:53,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 04:51:53,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 04:51:53,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 04:51:53,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 04:51:53,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 04:51:53,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 04:51:53,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 04:51:53,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 04:51:53,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 04:51:53,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 04:51:53,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 04:51:53,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 04:51:53,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 04:51:53,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 04:51:53,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 04:51:53,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 04:51:53,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 04:51:53,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 04:51:53,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 04:51:53,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 04:51:53,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 04:51:53,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 04:51:53,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 04:51:53,513 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 04:51:53,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 04:51:53,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 04:51:53,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 04:51:53,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 04:51:53,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 04:51:53,517 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-28 04:51:53,548 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 04:51:53,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 04:51:53,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 04:51:53,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 04:51:53,551 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 04:51:53,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 04:51:53,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 04:51:53,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 04:51:53,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 04:51:53,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 04:51:53,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 04:51:53,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 04:51:53,553 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 04:51:53,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 04:51:53,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 04:51:53,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 04:51:53,554 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 04:51:53,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 04:51:53,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 04:51:53,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 04:51:53,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 04:51:53,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 04:51:53,555 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 04:51:53,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 04:51:53,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 04:51:53,556 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 04:51:53,556 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 04:51:53,556 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 04:51:53,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 04:51:53,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 04:51:53,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 04:51:53,991 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 04:51:53,992 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 04:51:53,993 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i [2020-10-28 04:51:54,077 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef673cdd5/8c206fa5bdf147239cb2ea9777d17ba2/FLAG09c6758f3 [2020-10-28 04:51:55,064 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 04:51:55,064 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i [2020-10-28 04:51:55,106 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef673cdd5/8c206fa5bdf147239cb2ea9777d17ba2/FLAG09c6758f3 [2020-10-28 04:51:55,607 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef673cdd5/8c206fa5bdf147239cb2ea9777d17ba2 [2020-10-28 04:51:55,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 04:51:55,619 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 04:51:55,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 04:51:55,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 04:51:55,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 04:51:55,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:51:55" (1/1) ... [2020-10-28 04:51:55,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@727792a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:51:55, skipping insertion in model container [2020-10-28 04:51:55,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:51:55" (1/1) ... [2020-10-28 04:51:55,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 04:51:55,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 04:51:56,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 04:51:56,714 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 04:51:56,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 04:51:57,058 INFO L208 MainTranslator]: Completed translation [2020-10-28 04:51:57,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:51:57 WrapperNode [2020-10-28 04:51:57,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 04:51:57,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 04:51:57,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 04:51:57,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 04:51:57,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:51:57" (1/1) ... [2020-10-28 04:51:57,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:51:57" (1/1) ... [2020-10-28 04:51:57,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:51:57" (1/1) ... [2020-10-28 04:51:57,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:51:57" (1/1) ... [2020-10-28 04:51:57,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:51:57" (1/1) ... [2020-10-28 04:51:57,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:51:57" (1/1) ... [2020-10-28 04:51:57,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:51:57" (1/1) ... [2020-10-28 04:51:57,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 04:51:57,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 04:51:57,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 04:51:57,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 04:51:57,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:51:57" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 04:51:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 04:51:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 04:51:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 04:51:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-28 04:51:57,407 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-10-28 04:51:57,407 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-10-28 04:51:57,407 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2020-10-28 04:51:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2020-10-28 04:51:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2020-10-28 04:51:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-10-28 04:51:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2020-10-28 04:51:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 04:51:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 04:51:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 04:51:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 04:51:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 04:51:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 04:51:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 04:51:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 04:51:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 04:51:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-28 04:51:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-28 04:51:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_rx_fixup [2020-10-28 04:51:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_tx_fixup [2020-10-28 04:51:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_bind [2020-10-28 04:51:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure gl620a_driver_init [2020-10-28 04:51:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure gl620a_driver_exit [2020-10-28 04:51:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2020-10-28 04:51:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-28 04:51:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 04:51:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-28 04:51:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-28 04:51:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-28 04:51:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-28 04:51:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-28 04:51:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2020-10-28 04:51:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_13 [2020-10-28 04:51:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_14 [2020-10-28 04:51:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-28 04:51:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-28 04:51:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-28 04:51:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-28 04:51:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-28 04:51:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-28 04:51:57,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-28 04:51:57,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-28 04:51:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-28 04:51:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-28 04:51:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 04:51:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-28 04:51:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-28 04:51:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-28 04:51:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-28 04:51:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-28 04:51:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 04:51:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-10-28 04:51:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2020-10-28 04:51:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-10-28 04:51:57,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-10-28 04:51:57,420 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2020-10-28 04:51:57,420 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-28 04:51:57,421 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-28 04:51:57,421 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-28 04:51:57,421 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-28 04:51:57,421 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-28 04:51:57,421 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-10-28 04:51:57,421 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-10-28 04:51:57,421 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-10-28 04:51:57,421 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2020-10-28 04:51:57,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-10-28 04:51:57,422 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 04:51:57,422 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 04:51:57,422 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 04:51:57,422 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 04:51:57,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-10-28 04:51:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 04:51:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 04:51:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 04:51:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 04:51:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 04:51:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 04:51:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 04:51:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2020-10-28 04:51:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 04:51:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-28 04:51:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-28 04:51:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 04:51:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-28 04:51:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-28 04:51:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-28 04:51:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-28 04:51:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-28 04:51:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2020-10-28 04:51:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2020-10-28 04:51:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-10-28 04:51:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 04:51:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-10-28 04:51:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2020-10-28 04:51:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2020-10-28 04:51:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 04:51:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2020-10-28 04:51:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-28 04:51:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-28 04:51:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-28 04:51:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-10-28 04:51:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2020-10-28 04:51:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-28 04:51:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-28 04:51:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 04:51:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 04:51:57,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 04:51:57,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 04:51:57,430 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 04:51:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 04:51:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 04:51:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 04:51:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 04:51:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 04:51:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 04:51:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 04:51:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 04:51:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 04:51:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2020-10-28 04:51:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-28 04:51:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-10-28 04:51:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-28 04:51:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-28 04:51:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_13 [2020-10-28 04:51:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-28 04:51:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_14 [2020-10-28 04:51:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-28 04:51:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 04:51:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-10-28 04:51:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-10-28 04:51:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-10-28 04:51:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-10-28 04:51:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2020-10-28 04:51:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_rx_fixup [2020-10-28 04:51:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 04:51:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 04:51:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 04:51:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_tx_fixup [2020-10-28 04:51:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-10-28 04:51:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_bind [2020-10-28 04:51:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure gl620a_driver_init [2020-10-28 04:51:57,448 INFO L130 BoogieDeclarations]: Found specification of procedure gl620a_driver_exit [2020-10-28 04:51:57,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-10-28 04:51:57,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-10-28 04:51:57,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 04:51:57,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 04:51:57,449 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 04:51:57,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 04:51:57,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-28 04:51:57,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-28 04:51:57,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-28 04:51:57,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-28 04:51:57,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-28 04:51:57,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-28 04:51:57,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-28 04:51:57,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-28 04:51:57,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-28 04:51:57,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-28 04:51:57,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-28 04:51:57,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-28 04:51:57,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-28 04:51:57,451 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 04:51:57,451 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 04:51:57,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 04:51:57,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 04:51:57,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 04:51:57,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 04:51:57,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 04:51:57,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 04:51:57,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 04:51:57,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 04:51:58,335 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 04:52:01,502 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 04:52:01,503 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-28 04:52:01,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:52:01 BoogieIcfgContainer [2020-10-28 04:52:01,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 04:52:01,510 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 04:52:01,510 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 04:52:01,514 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 04:52:01,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:51:55" (1/3) ... [2020-10-28 04:52:01,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f6cffb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:52:01, skipping insertion in model container [2020-10-28 04:52:01,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:51:57" (2/3) ... [2020-10-28 04:52:01,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f6cffb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:52:01, skipping insertion in model container [2020-10-28 04:52:01,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:52:01" (3/3) ... [2020-10-28 04:52:01,517 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i [2020-10-28 04:52:01,528 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 04:52:01,534 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 04:52:01,546 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 04:52:01,582 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 04:52:01,582 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 04:52:01,583 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 04:52:01,583 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 04:52:01,583 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 04:52:01,583 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 04:52:01,583 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 04:52:01,583 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 04:52:01,609 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states. [2020-10-28 04:52:01,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-28 04:52:01,622 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 04:52:01,623 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 04:52:01,623 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 04:52:01,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 04:52:01,630 INFO L82 PathProgramCache]: Analyzing trace with hash 479077164, now seen corresponding path program 1 times [2020-10-28 04:52:01,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 04:52:01,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1239784711] [2020-10-28 04:52:01,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 04:52:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:02,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:02,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:02,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:04,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:07,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:07,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-28 04:52:07,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 04:52:07,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5074 [2020-10-28 04:52:07,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:07,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 04:52:07,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 04:52:07,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 04:52:07,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 04:52:08,246 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2020-10-28 04:52:08,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:52:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:08,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:08,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:08,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:52:08,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:08,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-28 04:52:08,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:08,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:08,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:08,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:08,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:08,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:52:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:08,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:08,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:08,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:52:08,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:08,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 04:52:08,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:08,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:08,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:08,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:08,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:08,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 04:52:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:08,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:08,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:08,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:52:08,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:08,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 04:52:08,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:08,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:08,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:08,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:08,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:08,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 04:52:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:08,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:08,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:08,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:52:08,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:08,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 04:52:08,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:08,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:08,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:08,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:08,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:08,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:52:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:08,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:08,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:08,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:52:08,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:08,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 04:52:08,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:08,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:08,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:08,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:08,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:08,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 04:52:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:08,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:08,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:08,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:08,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:52:08,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 04:52:08,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 04:52:08,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:08,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 04:52:08,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 04:52:08,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 04:52:08,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:08,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 04:52:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:08,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:08,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:08,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:08,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:52:08,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 04:52:08,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 04:52:08,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:08,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 04:52:08,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 04:52:08,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 04:52:08,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:08,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 04:52:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:08,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:08,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:08,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 04:52:08,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:08,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 04:52:08,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:08,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:08,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 04:52:08,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:08,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:08,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:52:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:08,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:08,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:08,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 04:52:08,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:08,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 04:52:08,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:08,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:08,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:08,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:08,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:08,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:52:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:08,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:08,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:08,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:52:08,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:08,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 04:52:08,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:08,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:08,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:08,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:08,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:08,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 04:52:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:08,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:08,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:08,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:52:08,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:08,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 04:52:08,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:08,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:08,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 04:52:08,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:08,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:08,660 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-28 04:52:08,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1239784711] [2020-10-28 04:52:08,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 04:52:08,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 04:52:08,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465018504] [2020-10-28 04:52:08,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 04:52:08,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 04:52:08,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 04:52:08,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-28 04:52:08,684 INFO L87 Difference]: Start difference. First operand 390 states. Second operand 10 states. [2020-10-28 04:52:19,848 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2020-10-28 04:52:21,083 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2020-10-28 04:52:21,733 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2020-10-28 04:52:31,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 04:52:31,948 INFO L93 Difference]: Finished difference Result 1268 states and 1743 transitions. [2020-10-28 04:52:31,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-28 04:52:31,953 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 68 [2020-10-28 04:52:31,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 04:52:31,978 INFO L225 Difference]: With dead ends: 1268 [2020-10-28 04:52:31,978 INFO L226 Difference]: Without dead ends: 874 [2020-10-28 04:52:31,988 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=183, Invalid=417, Unknown=0, NotChecked=0, Total=600 [2020-10-28 04:52:32,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2020-10-28 04:52:32,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 651. [2020-10-28 04:52:32,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2020-10-28 04:52:32,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 811 transitions. [2020-10-28 04:52:32,218 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 811 transitions. Word has length 68 [2020-10-28 04:52:32,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 04:52:32,219 INFO L481 AbstractCegarLoop]: Abstraction has 651 states and 811 transitions. [2020-10-28 04:52:32,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 04:52:32,219 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 811 transitions. [2020-10-28 04:52:32,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-28 04:52:32,226 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 04:52:32,226 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-10-28 04:52:32,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 04:52:32,227 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 04:52:32,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 04:52:32,227 INFO L82 PathProgramCache]: Analyzing trace with hash 604186058, now seen corresponding path program 1 times [2020-10-28 04:52:32,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 04:52:32,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1626090688] [2020-10-28 04:52:32,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 04:52:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:32,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:32,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:32,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:37,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:37,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-28 04:52:37,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 04:52:37,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 04:52:37,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:37,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 04:52:37,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-28 04:52:37,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 04:52:37,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:37,868 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2020-10-28 04:52:37,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:52:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:37,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:37,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:37,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:52:37,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:37,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-28 04:52:37,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:37,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:37,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:37,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:37,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:38,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:52:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:38,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:38,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:38,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:52:38,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:38,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 04:52:38,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:38,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:38,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:38,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:38,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 04:52:38,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 04:52:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:38,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:38,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:38,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:52:38,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:38,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 04:52:38,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:38,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:38,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:38,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:38,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:38,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 04:52:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:38,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:38,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:38,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:52:38,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:38,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 04:52:38,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:38,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:38,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:38,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:38,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:38,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:52:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:38,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:38,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:38,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:52:38,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:38,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:52:38,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:38,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:38,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:38,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:38,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:38,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 04:52:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:38,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:38,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:38,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:38,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 04:52:38,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 04:52:38,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 04:52:38,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:38,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 04:52:38,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 04:52:38,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 04:52:38,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:38,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 04:52:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:38,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:38,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:38,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 04:52:38,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:38,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 04:52:38,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:38,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 04:52:38,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 04:52:38,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 04:52:38,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 04:52:38,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 04:52:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:38,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:38,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:38,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 04:52:38,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:38,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 04:52:38,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:38,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:38,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 04:52:38,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:38,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:38,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:52:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:38,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:38,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:38,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 04:52:38,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:38,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 04:52:38,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:38,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:38,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:38,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:38,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:38,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:52:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:38,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:38,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:38,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:52:38,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:38,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 04:52:38,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:38,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:38,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:38,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:38,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:38,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:52:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:38,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:38,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:38,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 04:52:38,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:38,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 04:52:38,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:38,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:38,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:38,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:38,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 04:52:38,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:52:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:38,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:38,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:38,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:52:38,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:38,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 04:52:38,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:38,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:38,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:38,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:38,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:38,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-28 04:52:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:38,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:38,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:38,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:52:38,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:38,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 04:52:38,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:38,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:38,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 04:52:38,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:38,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:38,483 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-28 04:52:38,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1626090688] [2020-10-28 04:52:38,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 04:52:38,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 04:52:38,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726866662] [2020-10-28 04:52:38,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 04:52:38,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 04:52:38,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 04:52:38,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-28 04:52:38,488 INFO L87 Difference]: Start difference. First operand 651 states and 811 transitions. Second operand 11 states. [2020-10-28 04:52:46,383 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2020-10-28 04:52:50,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 04:52:50,845 INFO L93 Difference]: Finished difference Result 1510 states and 1959 transitions. [2020-10-28 04:52:50,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 04:52:50,845 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 86 [2020-10-28 04:52:50,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 04:52:50,854 INFO L225 Difference]: With dead ends: 1510 [2020-10-28 04:52:50,854 INFO L226 Difference]: Without dead ends: 875 [2020-10-28 04:52:50,858 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2020-10-28 04:52:50,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2020-10-28 04:52:51,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 652. [2020-10-28 04:52:51,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2020-10-28 04:52:51,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 812 transitions. [2020-10-28 04:52:51,080 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 812 transitions. Word has length 86 [2020-10-28 04:52:51,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 04:52:51,080 INFO L481 AbstractCegarLoop]: Abstraction has 652 states and 812 transitions. [2020-10-28 04:52:51,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 04:52:51,081 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 812 transitions. [2020-10-28 04:52:51,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-28 04:52:51,086 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 04:52:51,087 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 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] [2020-10-28 04:52:51,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 04:52:51,087 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 04:52:51,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 04:52:51,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1836069026, now seen corresponding path program 2 times [2020-10-28 04:52:51,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 04:52:51,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1684505207] [2020-10-28 04:52:51,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 04:52:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:51,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:51,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:51,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:56,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:56,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-28 04:52:56,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 04:52:56,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5061 [2020-10-28 04:52:56,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:56,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 04:52:56,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-28 04:52:56,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 04:52:56,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:56,820 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2020-10-28 04:52:56,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:52:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:56,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:56,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:56,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:52:56,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:56,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-28 04:52:56,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:56,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:56,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:56,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:56,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:56,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:52:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:56,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:56,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:56,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:52:56,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:56,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 04:52:56,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:56,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:56,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:56,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:56,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:56,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 04:52:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:56,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:56,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:56,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:52:56,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:56,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 04:52:56,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:56,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:56,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:56,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:56,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:56,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 04:52:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:56,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:56,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:56,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:52:56,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:56,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 04:52:56,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:56,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:56,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:56,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:56,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:56,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:52:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:56,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:57,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:57,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:52:57,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:57,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:52:57,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:57,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:57,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:57,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:57,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:57,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 04:52:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:57,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:57,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:57,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:57,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 04:52:57,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 04:52:57,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 04:52:57,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:57,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 04:52:57,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 04:52:57,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 04:52:57,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:57,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 04:52:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:57,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:57,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:57,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 04:52:57,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:57,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 04:52:57,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:57,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 04:52:57,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 04:52:57,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 04:52:57,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:57,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 04:52:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:57,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:57,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:57,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 04:52:57,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:57,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 04:52:57,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:57,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:57,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 04:52:57,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:57,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:57,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:52:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:57,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:57,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:57,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 04:52:57,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:57,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 04:52:57,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:57,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:57,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:57,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:57,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:57,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:52:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:57,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:57,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:57,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:52:57,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:57,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:52:57,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:57,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:57,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:57,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:57,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:57,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:52:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:57,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:57,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:57,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 04:52:57,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:57,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 04:52:57,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:57,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:57,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:57,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:57,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:57,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:52:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:57,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:57,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:57,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:52:57,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:57,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:52:57,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:57,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:57,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:57,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:57,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:57,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 04:52:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:57,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:57,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:57,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:52:57,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:57,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 04:52:57,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:57,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:57,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 04:52:57,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:57,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:57,399 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-28 04:52:57,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1684505207] [2020-10-28 04:52:57,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 04:52:57,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 04:52:57,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095893427] [2020-10-28 04:52:57,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 04:52:57,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 04:52:57,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 04:52:57,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-10-28 04:52:57,402 INFO L87 Difference]: Start difference. First operand 652 states and 812 transitions. Second operand 12 states. [2020-10-28 04:53:06,584 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2020-10-28 04:53:13,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 04:53:13,425 INFO L93 Difference]: Finished difference Result 1512 states and 1961 transitions. [2020-10-28 04:53:13,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 04:53:13,426 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2020-10-28 04:53:13,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 04:53:13,434 INFO L225 Difference]: With dead ends: 1512 [2020-10-28 04:53:13,434 INFO L226 Difference]: Without dead ends: 876 [2020-10-28 04:53:13,437 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2020-10-28 04:53:13,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2020-10-28 04:53:13,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 653. [2020-10-28 04:53:13,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2020-10-28 04:53:13,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 813 transitions. [2020-10-28 04:53:13,606 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 813 transitions. Word has length 88 [2020-10-28 04:53:13,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 04:53:13,608 INFO L481 AbstractCegarLoop]: Abstraction has 653 states and 813 transitions. [2020-10-28 04:53:13,608 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 04:53:13,608 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 813 transitions. [2020-10-28 04:53:13,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-28 04:53:13,613 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 04:53:13,613 INFO L422 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 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] [2020-10-28 04:53:13,614 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 04:53:13,614 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 04:53:13,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 04:53:13,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1068033398, now seen corresponding path program 3 times [2020-10-28 04:53:13,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 04:53:13,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1576442767] [2020-10-28 04:53:13,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 04:53:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:13,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:13,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:13,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:18,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:18,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-28 04:53:18,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 04:53:18,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 04:53:18,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:18,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 04:53:18,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-28 04:53:18,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 04:53:18,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:19,263 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2020-10-28 04:53:19,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:53:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:19,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:19,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:19,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:53:19,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:19,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-28 04:53:19,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:19,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:19,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:19,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:19,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:19,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:53:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:19,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:19,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:19,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:53:19,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:19,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:53:19,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:19,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:19,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:19,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:19,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:19,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 04:53:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:19,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:19,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:19,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:53:19,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:19,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:53:19,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:19,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:19,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:19,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:19,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:19,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 04:53:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:19,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:19,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:19,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:53:19,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:19,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:53:19,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:19,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:19,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:19,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:19,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:19,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:53:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:19,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:19,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:19,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:53:19,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:19,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 04:53:19,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:19,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:19,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:19,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:19,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:19,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 04:53:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:19,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:19,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:19,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:19,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 04:53:19,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 04:53:19,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-28 04:53:19,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:19,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 04:53:19,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 04:53:19,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 04:53:19,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:19,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-28 04:53:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:19,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:19,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:19,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 04:53:19,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:19,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-28 04:53:19,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:19,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 04:53:19,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 04:53:19,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 04:53:19,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:19,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 04:53:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:19,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:19,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:19,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 04:53:19,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:19,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 04:53:19,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:19,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:19,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 04:53:19,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:19,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:19,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:53:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:19,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:19,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:19,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 04:53:19,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:19,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 04:53:19,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:19,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:19,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:19,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:19,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:19,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:53:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:19,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:19,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:19,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:53:19,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:19,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:53:19,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:19,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:19,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:19,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:19,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:19,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:53:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:19,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:19,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:19,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 04:53:19,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:19,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 04:53:19,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:19,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:19,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:19,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:19,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:19,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:53:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:19,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:19,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:19,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:53:19,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:19,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 04:53:19,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:19,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:19,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:19,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:19,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:19,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-28 04:53:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:19,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:19,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:19,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:53:19,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:19,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:53:19,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:19,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:19,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 04:53:19,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:19,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:19,881 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-28 04:53:19,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1576442767] [2020-10-28 04:53:19,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 04:53:19,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-28 04:53:19,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433276805] [2020-10-28 04:53:19,884 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 04:53:19,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 04:53:19,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 04:53:19,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2020-10-28 04:53:19,888 INFO L87 Difference]: Start difference. First operand 653 states and 813 transitions. Second operand 14 states. [2020-10-28 04:53:32,798 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2020-10-28 04:53:40,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 04:53:40,498 INFO L93 Difference]: Finished difference Result 1514 states and 1963 transitions. [2020-10-28 04:53:40,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 04:53:40,499 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 90 [2020-10-28 04:53:40,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 04:53:40,505 INFO L225 Difference]: With dead ends: 1514 [2020-10-28 04:53:40,506 INFO L226 Difference]: Without dead ends: 877 [2020-10-28 04:53:40,508 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=128, Invalid=424, Unknown=0, NotChecked=0, Total=552 [2020-10-28 04:53:40,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2020-10-28 04:53:40,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 654. [2020-10-28 04:53:40,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 654 states. [2020-10-28 04:53:40,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 814 transitions. [2020-10-28 04:53:40,632 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 814 transitions. Word has length 90 [2020-10-28 04:53:40,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 04:53:40,632 INFO L481 AbstractCegarLoop]: Abstraction has 654 states and 814 transitions. [2020-10-28 04:53:40,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 04:53:40,633 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 814 transitions. [2020-10-28 04:53:40,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-28 04:53:40,634 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 04:53:40,634 INFO L422 BasicCegarLoop]: trace histogram [8, 3, 3, 3, 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] [2020-10-28 04:53:40,635 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 04:53:40,635 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 04:53:40,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 04:53:40,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1636853534, now seen corresponding path program 4 times [2020-10-28 04:53:40,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 04:53:40,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [805806344] [2020-10-28 04:53:40,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 04:53:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:40,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:41,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:41,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-28 04:53:41,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:41,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 709 [2020-10-28 04:53:41,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:41,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 04:53:41,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 04:53:41,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-28 04:53:41,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:42,038 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2020-10-28 04:53:42,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:53:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:42,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:42,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:42,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:53:42,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:42,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 04:53:42,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:42,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:42,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:42,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:42,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:42,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:53:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:42,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:42,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:42,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:53:42,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:42,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 04:53:42,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:42,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:42,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:42,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:42,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:42,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 04:53:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:42,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:42,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:42,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:53:42,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:42,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 04:53:42,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:42,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:42,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:42,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:42,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:42,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 04:53:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:42,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:42,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:42,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:53:42,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:42,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 04:53:42,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:42,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 04:53:42,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:42,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 04:53:42,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:42,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:53:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:42,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:42,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:42,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:53:42,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:42,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:53:42,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:42,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 04:53:42,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:42,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 04:53:42,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:42,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 04:53:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:42,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:42,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:42,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:53:42,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:42,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 04:53:42,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:42,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 04:53:42,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:42,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 04:53:42,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:42,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 04:53:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:42,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:42,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:42,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:53:42,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:42,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 04:53:42,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:42,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 04:53:42,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:42,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 04:53:42,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:42,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 04:53:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:42,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:42,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:42,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 04:53:42,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:42,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 04:53:42,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:42,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 04:53:42,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:42,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 04:53:42,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:42,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:53:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:42,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:42,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:42,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 04:53:42,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:42,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 04:53:42,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:42,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:42,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:42,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:42,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:42,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:53:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:42,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:42,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:42,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:53:42,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:42,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 04:53:42,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:42,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:42,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:42,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:42,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:42,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:53:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:42,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:42,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:42,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 04:53:42,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:42,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 04:53:42,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:42,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:42,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:42,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:42,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:42,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:53:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:42,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:42,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:42,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:53:42,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:42,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 04:53:42,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:42,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:42,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:42,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:42,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 04:53:42,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 04:53:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:42,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:42,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:42,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:53:42,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:42,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 04:53:42,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:42,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 04:53:42,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:42,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 04:53:42,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:42,591 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-28 04:53:42,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [805806344] [2020-10-28 04:53:42,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 04:53:42,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 04:53:42,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626791800] [2020-10-28 04:53:42,596 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 04:53:42,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 04:53:42,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 04:53:42,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-28 04:53:42,598 INFO L87 Difference]: Start difference. First operand 654 states and 814 transitions. Second operand 12 states. [2020-10-28 04:53:50,551 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2020-10-28 04:53:57,664 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 278 DAG size of output: 273 [2020-10-28 04:53:58,386 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2020-10-28 04:53:59,046 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2020-10-28 04:54:04,284 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2020-10-28 04:54:06,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 04:54:06,066 INFO L93 Difference]: Finished difference Result 2262 states and 2965 transitions. [2020-10-28 04:54:06,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 04:54:06,067 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 92 [2020-10-28 04:54:06,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 04:54:06,077 INFO L225 Difference]: With dead ends: 2262 [2020-10-28 04:54:06,077 INFO L226 Difference]: Without dead ends: 1616 [2020-10-28 04:54:06,080 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=203, Invalid=447, Unknown=0, NotChecked=0, Total=650 [2020-10-28 04:54:06,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1616 states. [2020-10-28 04:54:06,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1616 to 1331. [2020-10-28 04:54:06,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1331 states. [2020-10-28 04:54:06,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1331 states and 1689 transitions. [2020-10-28 04:54:06,272 INFO L78 Accepts]: Start accepts. Automaton has 1331 states and 1689 transitions. Word has length 92 [2020-10-28 04:54:06,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 04:54:06,272 INFO L481 AbstractCegarLoop]: Abstraction has 1331 states and 1689 transitions. [2020-10-28 04:54:06,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 04:54:06,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1689 transitions. [2020-10-28 04:54:06,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-28 04:54:06,278 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 04:54:06,278 INFO L422 BasicCegarLoop]: trace histogram [8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 04:54:06,279 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 04:54:06,279 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 04:54:06,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 04:54:06,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1524675000, now seen corresponding path program 1 times [2020-10-28 04:54:06,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 04:54:06,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1255940743] [2020-10-28 04:54:06,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 04:54:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:06,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:06,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:06,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:06,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:11,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:11,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-28 04:54:11,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 04:54:11,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5105 [2020-10-28 04:54:11,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:11,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 04:54:11,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-10-28 04:54:11,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 04:54:11,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:12,043 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2020-10-28 04:54:12,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:54:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:12,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:12,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:12,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:54:12,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:12,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-28 04:54:12,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:12,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:12,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:12,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:12,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:12,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:54:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:12,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:12,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:12,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:54:12,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:12,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:54:12,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:12,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:12,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:12,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:12,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:12,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 04:54:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:12,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:12,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:12,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:54:12,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:12,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 04:54:12,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:12,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:12,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:12,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:12,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:12,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 04:54:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:12,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:12,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:12,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:54:12,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:12,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 04:54:12,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:12,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:12,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:12,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:12,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:12,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:54:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:12,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:12,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:12,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:54:12,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:12,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 04:54:12,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:12,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:12,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:12,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:12,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:12,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 04:54:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:12,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:12,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:12,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:54:12,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:12,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 04:54:12,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:12,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:12,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:12,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:12,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:12,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 04:54:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:12,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:12,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:12,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:54:12,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:12,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 04:54:12,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:12,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:12,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:12,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:12,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:12,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 04:54:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:12,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:12,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:13,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:13,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-28 04:54:13,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 04:54:13,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 830 [2020-10-28 04:54:13,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:13,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 04:54:13,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-28 04:54:13,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 04:54:13,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:13,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 04:54:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:13,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:13,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:13,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 04:54:13,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:13,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 04:54:13,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:13,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:13,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:13,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:13,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:13,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:54:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:13,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:13,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:13,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:54:13,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:13,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 04:54:13,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:13,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:13,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:13,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:13,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:13,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 04:54:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:13,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:13,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:13,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:13,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 04:54:13,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 04:54:13,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-10-28 04:54:13,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:13,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 04:54:13,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 04:54:13,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 04:54:13,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:13,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:54:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:13,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:13,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:13,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:13,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 04:54:13,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 04:54:13,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-28 04:54:13,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:13,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 04:54:13,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 04:54:13,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 04:54:13,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:13,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:54:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:13,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:13,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:13,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:54:13,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:13,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 04:54:13,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:13,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 04:54:13,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:13,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 04:54:13,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:13,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 04:54:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:13,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:13,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:13,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 04:54:13,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:13,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 04:54:13,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:13,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:13,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 04:54:13,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:13,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:13,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 04:54:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:13,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:13,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:13,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 04:54:13,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:13,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 04:54:13,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:13,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:13,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 04:54:13,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:13,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:13,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:54:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:13,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:13,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:13,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:54:13,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:13,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:54:13,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:13,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:13,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:13,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:13,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:13,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 04:54:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:13,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:13,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:13,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 04:54:13,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:13,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 04:54:13,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:13,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:13,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 04:54:13,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:13,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:13,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:54:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:13,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:13,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:13,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:54:13,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:13,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:54:13,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:13,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:13,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:13,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:13,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:14,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 04:54:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:14,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:14,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:14,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 04:54:14,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:14,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 04:54:14,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:14,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:14,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 04:54:14,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:14,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:14,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:54:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:14,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:14,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:14,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 04:54:14,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:14,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 04:54:14,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:14,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:14,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:14,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:14,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:14,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:54:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:14,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:14,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:14,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:54:14,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:14,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:54:14,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:14,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:14,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:14,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:14,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:14,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:54:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:14,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:14,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:14,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 04:54:14,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:14,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 04:54:14,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:14,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:14,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:14,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:14,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:14,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:54:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:14,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:14,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:14,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:54:14,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:14,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:54:14,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:14,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:14,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:14,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:14,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:14,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-28 04:54:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:14,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:14,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:14,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:54:14,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:14,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 04:54:14,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:14,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:14,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 04:54:14,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:14,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:14,287 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-10-28 04:54:14,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1255940743] [2020-10-28 04:54:14,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 04:54:14,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-28 04:54:14,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447558986] [2020-10-28 04:54:14,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-28 04:54:14,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 04:54:14,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-28 04:54:14,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2020-10-28 04:54:14,291 INFO L87 Difference]: Start difference. First operand 1331 states and 1689 transitions. Second operand 16 states. [2020-10-28 04:54:25,915 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2020-10-28 04:54:32,001 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2020-10-28 04:54:32,628 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2020-10-28 04:54:33,363 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 276 [2020-10-28 04:54:35,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 04:54:35,744 INFO L93 Difference]: Finished difference Result 2976 states and 3926 transitions. [2020-10-28 04:54:35,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-28 04:54:35,745 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 174 [2020-10-28 04:54:35,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 04:54:35,759 INFO L225 Difference]: With dead ends: 2976 [2020-10-28 04:54:35,759 INFO L226 Difference]: Without dead ends: 1674 [2020-10-28 04:54:35,765 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=179, Invalid=577, Unknown=0, NotChecked=0, Total=756 [2020-10-28 04:54:35,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2020-10-28 04:54:36,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1347. [2020-10-28 04:54:36,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1347 states. [2020-10-28 04:54:36,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 1713 transitions. [2020-10-28 04:54:36,047 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 1713 transitions. Word has length 174 [2020-10-28 04:54:36,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 04:54:36,048 INFO L481 AbstractCegarLoop]: Abstraction has 1347 states and 1713 transitions. [2020-10-28 04:54:36,048 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-28 04:54:36,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1713 transitions. [2020-10-28 04:54:36,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-28 04:54:36,055 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 04:54:36,055 INFO L422 BasicCegarLoop]: trace histogram [8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 04:54:36,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 04:54:36,055 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 04:54:36,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 04:54:36,056 INFO L82 PathProgramCache]: Analyzing trace with hash 169642747, now seen corresponding path program 1 times [2020-10-28 04:54:36,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 04:54:36,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [401926264] [2020-10-28 04:54:36,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 04:54:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:36,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:36,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:36,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:41,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:41,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:41,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-28 04:54:41,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 04:54:41,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5059 [2020-10-28 04:54:41,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:41,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 04:54:41,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 04:54:41,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 04:54:41,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:41,812 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2020-10-28 04:54:41,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:54:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:41,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:41,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:41,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:54:41,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:41,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-28 04:54:41,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:41,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:41,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:41,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:41,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:41,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:54:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:41,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:41,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:41,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:54:41,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:41,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:54:41,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:41,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:41,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:41,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:41,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:41,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 04:54:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:41,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:41,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:41,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:54:41,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:41,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 04:54:41,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:41,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:41,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:41,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:41,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:41,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 04:54:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:41,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:41,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:41,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:54:41,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:41,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:54:41,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:41,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:41,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:41,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:41,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:41,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:54:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:41,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:41,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:41,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:54:41,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:41,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 04:54:41,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:41,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:41,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:41,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:41,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:41,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 04:54:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:41,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:42,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:42,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:54:42,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:42,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 04:54:42,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:42,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:42,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:42,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:42,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:42,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 04:54:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:42,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:42,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:42,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:54:42,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:42,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 04:54:42,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:42,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:42,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:42,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:42,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:42,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 04:54:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:42,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:42,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:42,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:42,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:44,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:44,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-28 04:54:44,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 04:54:44,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2749 [2020-10-28 04:54:44,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:44,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 04:54:44,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 04:54:44,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 04:54:44,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:44,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 04:54:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:44,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:44,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:44,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 04:54:44,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:44,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 04:54:44,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:44,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:44,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:44,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:44,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:44,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:54:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:44,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:44,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:44,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:54:44,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:44,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 04:54:44,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:44,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:44,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:44,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:44,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:44,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 04:54:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:44,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:44,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:44,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:45,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:45,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-28 04:54:45,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 04:54:45,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 497 [2020-10-28 04:54:45,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:45,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 04:54:45,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 04:54:45,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 04:54:45,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:45,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:54:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:45,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:45,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:45,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:45,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:45,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 04:54:45,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 04:54:45,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 376 [2020-10-28 04:54:45,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:45,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 04:54:45,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:45,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-28 04:54:45,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:45,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:54:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:45,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:45,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:46,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:46,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 04:54:46,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 04:54:46,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-28 04:54:46,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:46,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 04:54:46,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:46,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 04:54:46,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:46,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 04:54:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:46,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:46,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:46,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:54:46,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:46,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 04:54:46,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:46,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 04:54:46,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:46,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 04:54:46,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:46,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 04:54:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:46,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:46,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:46,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:54:46,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:46,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 04:54:46,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:46,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 04:54:46,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:46,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 04:54:46,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:46,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 04:54:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:46,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:46,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:46,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 04:54:46,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:46,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 04:54:46,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:46,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 04:54:46,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:46,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 04:54:46,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:46,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 04:54:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:46,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:46,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:46,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 04:54:46,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:46,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 04:54:46,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:46,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:46,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 04:54:46,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:46,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:46,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:54:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:46,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:46,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:46,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:54:46,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:46,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 04:54:46,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:46,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:46,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:46,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:46,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:46,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-28 04:54:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:46,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:46,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:46,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 04:54:46,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:46,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 04:54:46,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:46,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:46,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 04:54:46,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:46,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:46,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:54:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:46,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:46,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:46,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:54:46,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:46,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 04:54:46,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:46,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:46,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:46,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:46,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:46,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 04:54:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:46,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:46,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:46,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 04:54:46,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:46,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 04:54:46,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:46,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:46,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 04:54:46,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:46,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:46,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:54:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:46,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:46,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:46,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 04:54:46,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:46,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 04:54:46,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:46,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:46,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:46,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:46,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:46,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:54:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:46,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:46,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:46,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:54:46,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:46,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:54:46,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:46,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:46,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:46,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:46,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:46,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:54:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:46,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:46,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:46,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 04:54:46,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:46,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 04:54:46,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:46,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:46,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:46,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:46,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:46,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:54:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:46,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:46,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:46,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:54:46,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:46,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 04:54:46,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:46,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:46,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:54:46,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:46,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:46,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-28 04:54:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:54:46,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:54:46,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:54:46,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:54:46,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:54:46,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 04:54:46,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:54:46,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:54:46,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 04:54:46,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:54:46,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:54:46,605 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-10-28 04:54:46,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [401926264] [2020-10-28 04:54:46,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 04:54:46,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-28 04:54:46,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626754518] [2020-10-28 04:54:46,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-28 04:54:46,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 04:54:46,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-28 04:54:46,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2020-10-28 04:54:46,607 INFO L87 Difference]: Start difference. First operand 1347 states and 1713 transitions. Second operand 20 states. [2020-10-28 04:55:12,839 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 276 [2020-10-28 04:55:16,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 04:55:16,671 INFO L93 Difference]: Finished difference Result 2966 states and 3900 transitions. [2020-10-28 04:55:16,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-28 04:55:16,672 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 185 [2020-10-28 04:55:16,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 04:55:16,682 INFO L225 Difference]: With dead ends: 2966 [2020-10-28 04:55:16,682 INFO L226 Difference]: Without dead ends: 1648 [2020-10-28 04:55:16,688 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=195, Invalid=1137, Unknown=0, NotChecked=0, Total=1332 [2020-10-28 04:55:16,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2020-10-28 04:55:16,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 1363. [2020-10-28 04:55:16,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1363 states. [2020-10-28 04:55:16,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 1723 transitions. [2020-10-28 04:55:16,950 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 1723 transitions. Word has length 185 [2020-10-28 04:55:16,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 04:55:16,951 INFO L481 AbstractCegarLoop]: Abstraction has 1363 states and 1723 transitions. [2020-10-28 04:55:16,951 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-28 04:55:16,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1723 transitions. [2020-10-28 04:55:16,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-28 04:55:16,957 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 04:55:16,957 INFO L422 BasicCegarLoop]: trace histogram [8, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 04:55:16,957 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 04:55:16,958 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 04:55:16,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 04:55:16,958 INFO L82 PathProgramCache]: Analyzing trace with hash 411094240, now seen corresponding path program 1 times [2020-10-28 04:55:16,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 04:55:16,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1246929225] [2020-10-28 04:55:16,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 04:55:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:55:17,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:55:17,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:55:20,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:55:22,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:55:22,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-28 04:55:22,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 04:55:22,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-28 04:55:22,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:55:22,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-28 04:55:22,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-10-28 04:55:22,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-28 04:55:22,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:55:22,640 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2020-10-28 04:55:22,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:55:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:55:22,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:55:22,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:55:22,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:55:22,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:55:22,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-28 04:55:22,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:55:22,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:55:22,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:55:22,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:55:22,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:55:22,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:55:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:55:22,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:55:22,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:55:22,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:55:22,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:55:22,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:55:22,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:55:22,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:55:22,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:55:22,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:55:22,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:55:22,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 04:55:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:55:22,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:55:22,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:55:22,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:55:22,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:55:22,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:55:22,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:55:22,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:55:22,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:55:22,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:55:22,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:55:22,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 04:55:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:55:22,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:55:22,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:55:22,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:55:22,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:55:22,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 04:55:22,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:55:22,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:55:22,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:55:22,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:55:22,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:55:22,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:55:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:55:22,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:55:22,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:55:22,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:55:22,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:55:22,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 04:55:22,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:55:22,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:55:22,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:55:22,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:55:22,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:55:22,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 04:55:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:55:22,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:55:22,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:55:22,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:55:22,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:55:22,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 04:55:22,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:55:22,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:55:22,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:55:22,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:55:22,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:55:22,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 04:55:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:55:22,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:55:22,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:55:22,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:55:22,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:55:22,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 04:55:22,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:55:22,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:55:22,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:55:22,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:55:22,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:55:22,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 04:55:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:55:22,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking...