/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--arc-rawmode.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 23:26:43,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 23:26:43,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 23:26:43,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 23:26:43,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 23:26:43,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 23:26:43,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 23:26:43,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 23:26:43,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 23:26:43,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 23:26:43,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 23:26:43,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 23:26:43,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 23:26:43,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 23:26:43,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 23:26:43,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 23:26:43,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 23:26:43,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 23:26:43,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 23:26:43,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 23:26:43,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 23:26:43,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 23:26:43,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 23:26:43,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 23:26:43,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 23:26:43,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 23:26:43,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 23:26:43,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 23:26:43,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 23:26:43,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 23:26:43,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 23:26:43,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 23:26:43,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 23:26:43,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 23:26:43,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 23:26:43,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 23:26:43,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 23:26:43,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 23:26:43,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 23:26:43,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 23:26:43,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 23:26:43,663 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 23:26:43,709 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 23:26:43,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 23:26:43,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 23:26:43,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 23:26:43,714 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 23:26:43,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 23:26:43,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 23:26:43,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 23:26:43,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 23:26:43,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 23:26:43,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 23:26:43,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 23:26:43,717 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 23:26:43,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 23:26:43,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 23:26:43,717 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 23:26:43,718 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 23:26:43,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 23:26:43,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 23:26:43,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 23:26:43,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 23:26:43,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 23:26:43,719 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 23:26:43,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 23:26:43,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 23:26:43,719 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 23:26:43,720 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 23:26:43,720 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 23:26:44,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 23:26:44,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 23:26:44,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 23:26:44,132 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 23:26:44,132 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 23:26:44,133 INFO L432 ainManager$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_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--arc-rawmode.ko-entry_point.cil.out.i [2020-10-28 23:26:44,207 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/69d18f878/ff7cf7feb1c94b00a465add504be6695/FLAGc26a91b1f [2020-10-28 23:26:45,208 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 23:26:45,209 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--arc-rawmode.ko-entry_point.cil.out.i [2020-10-28 23:26:45,248 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/69d18f878/ff7cf7feb1c94b00a465add504be6695/FLAGc26a91b1f [2020-10-28 23:26:45,686 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/69d18f878/ff7cf7feb1c94b00a465add504be6695 [2020-10-28 23:26:45,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 23:26:45,699 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 23:26:45,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 23:26:45,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 23:26:45,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 23:26:45,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:26:45" (1/1) ... [2020-10-28 23:26:45,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@712f680e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:26:45, skipping insertion in model container [2020-10-28 23:26:45,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:26:45" (1/1) ... [2020-10-28 23:26:45,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 23:26:45,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 23:26:46,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 23:26:46,869 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 23:26:47,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 23:26:47,205 INFO L208 MainTranslator]: Completed translation [2020-10-28 23:26:47,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:26:47 WrapperNode [2020-10-28 23:26:47,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 23:26:47,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 23:26:47,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 23:26:47,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 23:26:47,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:26:47" (1/1) ... [2020-10-28 23:26:47,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:26:47" (1/1) ... [2020-10-28 23:26:47,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:26:47" (1/1) ... [2020-10-28 23:26:47,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:26:47" (1/1) ... [2020-10-28 23:26:47,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:26:47" (1/1) ... [2020-10-28 23:26:47,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:26:47" (1/1) ... [2020-10-28 23:26:47,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:26:47" (1/1) ... [2020-10-28 23:26:47,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 23:26:47,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 23:26:47,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 23:26:47,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 23:26:47,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:26:47" (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 23:26:47,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 23:26:47,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 23:26:47,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2020-10-28 23:26:47,470 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 23:26:47,471 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-10-28 23:26:47,471 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 23:26:47,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 23:26:47,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 23:26:47,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 23:26:47,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 23:26:47,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 23:26:47,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 23:26:47,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 23:26:47,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 23:26:47,475 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-28 23:26:47,475 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_raw_init [2020-10-28 23:26:47,475 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_raw_exit [2020-10-28 23:26:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure rx [2020-10-28 23:26:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure build_header [2020-10-28 23:26:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_tx [2020-10-28 23:26:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ArcProto_1 [2020-10-28 23:26:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 23:26:47,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-28 23:26:47,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-28 23:26:47,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-28 23:26:47,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-28 23:26:47,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-28 23:26:47,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2020-10-28 23:26:47,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_14 [2020-10-28 23:26:47,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_15 [2020-10-28 23:26:47,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-28 23:26:47,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-28 23:26:47,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-28 23:26:47,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-28 23:26:47,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-28 23:26:47,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-28 23:26:47,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-28 23:26:47,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-28 23:26:47,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-28 23:26:47,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-28 23:26:47,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 23:26:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-28 23:26:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-28 23:26:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-28 23:26:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-28 23:26:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-28 23:26:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 23:26:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_unregister_proto [2020-10-28 23:26:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 23:26:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-28 23:26:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-28 23:26:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-28 23:26:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 23:26:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 23:26:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 23:26:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 23:26:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 23:26:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 23:26:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 23:26:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 23:26:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 23:26:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 23:26:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 23:26:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 23:26:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 23:26:47,488 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 23:26:47,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-28 23:26:47,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-28 23:26:47,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-28 23:26:47,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-28 23:26:47,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2020-10-28 23:26:47,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-28 23:26:47,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_14 [2020-10-28 23:26:47,489 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-28 23:26:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-28 23:26:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-28 23:26:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-10-28 23:26:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 23:26:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 23:26:47,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-28 23:26:47,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-28 23:26:47,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-28 23:26:47,493 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 23:26:47,493 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 23:26:47,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 23:26:47,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-28 23:26:47,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 23:26:47,493 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 23:26:47,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 23:26:47,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 23:26:47,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 23:26:47,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 23:26:47,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 23:26:47,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 23:26:47,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 23:26:47,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 23:26:47,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 23:26:47,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ArcProto_1 [2020-10-28 23:26:47,495 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-28 23:26:47,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_15 [2020-10-28 23:26:47,495 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_unregister_proto [2020-10-28 23:26:47,495 INFO L130 BoogieDeclarations]: Found specification of procedure rx [2020-10-28 23:26:47,496 INFO L130 BoogieDeclarations]: Found specification of procedure build_header [2020-10-28 23:26:47,496 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_tx [2020-10-28 23:26:47,496 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_raw_init [2020-10-28 23:26:47,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 23:26:47,496 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_raw_exit [2020-10-28 23:26:47,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 23:26:47,497 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2020-10-28 23:26:47,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 23:26:47,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 23:26:47,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 23:26:47,498 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 23:26:47,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 23:26:47,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 23:26:47,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-28 23:26:47,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-28 23:26:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-28 23:26:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-28 23:26:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-28 23:26:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-28 23:26:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-28 23:26:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-28 23:26:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-28 23:26:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-28 23:26:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-28 23:26:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-28 23:26:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 23:26:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 23:26:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 23:26:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 23:26:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 23:26:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 23:26:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 23:26:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 23:26:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 23:26:47,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 23:26:48,599 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 23:26:49,219 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 23:26:49,220 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-28 23:26:49,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:26:49 BoogieIcfgContainer [2020-10-28 23:26:49,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 23:26:49,224 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 23:26:49,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 23:26:49,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 23:26:49,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:26:45" (1/3) ... [2020-10-28 23:26:49,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15db81e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:26:49, skipping insertion in model container [2020-10-28 23:26:49,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:26:47" (2/3) ... [2020-10-28 23:26:49,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15db81e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:26:49, skipping insertion in model container [2020-10-28 23:26:49,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:26:49" (3/3) ... [2020-10-28 23:26:49,232 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--arc-rawmode.ko-entry_point.cil.out.i [2020-10-28 23:26:49,244 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 23:26:49,250 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 23:26:49,263 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 23:26:49,294 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 23:26:49,294 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 23:26:49,294 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 23:26:49,294 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 23:26:49,294 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 23:26:49,295 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 23:26:49,295 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 23:26:49,295 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 23:26:49,319 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states. [2020-10-28 23:26:49,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-28 23:26:49,330 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:26:49,331 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:26:49,332 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:26:49,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:26:49,338 INFO L82 PathProgramCache]: Analyzing trace with hash -862423631, now seen corresponding path program 1 times [2020-10-28 23:26:49,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:26:49,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [109293460] [2020-10-28 23:26:49,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:26:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:26:49,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:26:49,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:26:50,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:26:51,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:26:51,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 23:26:51,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:26:51,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2294 [2020-10-28 23:26:51,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:26:51,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:26:51,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:26:51,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-28 23:26:51,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 23:26:51,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 23:26:52,234 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:26:52,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:26:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:26:52,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:26:52,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:26:52,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:26:52,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:26:52,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-28 23:26:52,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:26:52,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:26:52,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:26:52,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:26:52,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:26:52,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:26:52,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:26:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:26:52,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:26:52,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:26:52,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:26:52,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:26:52,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:26:52,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:26:52,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:26:52,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:26:52,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:26:52,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:26:52,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:26:52,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:26:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:26:52,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:26:52,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:26:52,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:26:52,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:26:52,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:26:52,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:26:52,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:26:52,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:26:52,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:26:52,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:26:52,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:26:52,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:26:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:26:52,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:26:52,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:26:52,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:26:52,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:26:52,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:26:52,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:26:52,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:26:52,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:26:52,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:26:52,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:26:52,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:26:52,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 23:26:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:26:52,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:26:52,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:26:52,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:26:52,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:26:52,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:26:52,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 23:26:52,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:26:52,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:26:52,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:26:52,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:26:52,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:26:52,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:26:52,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 23:26:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:26:52,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:26:52,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:26:52,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:26:52,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:26:52,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:26:52,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:26:52,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:26:52,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:26:52,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 23:26:52,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:26:52,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 23:26:52,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:26:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:26:52,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:26:52,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:26:52,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:26:52,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:26:52,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:26:52,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:26:52,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:26:52,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:26:52,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:26:52,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:26:52,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:26:52,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-28 23:26:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:26:52,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:26:52,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:26:52,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:26:52,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:26:52,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 23:26:52,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:26:52,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:26:52,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:26:52,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:26:52,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:26:52,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:26:52,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 23:26:52,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [109293460] [2020-10-28 23:26:52,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:26:52,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 23:26:52,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365440190] [2020-10-28 23:26:52,552 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 23:26:52,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:26:52,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 23:26:52,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-28 23:26:52,569 INFO L87 Difference]: Start difference. First operand 270 states. Second operand 7 states. [2020-10-28 23:26:52,925 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 23:26:53,221 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 23:26:53,538 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 23:26:56,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:26:56,856 INFO L93 Difference]: Finished difference Result 922 states and 1295 transitions. [2020-10-28 23:26:56,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-28 23:26:56,858 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2020-10-28 23:26:56,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:26:56,895 INFO L225 Difference]: With dead ends: 922 [2020-10-28 23:26:56,896 INFO L226 Difference]: Without dead ends: 657 [2020-10-28 23:26:56,907 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-10-28 23:26:56,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2020-10-28 23:26:57,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 404. [2020-10-28 23:26:57,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2020-10-28 23:26:57,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 500 transitions. [2020-10-28 23:26:57,088 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 500 transitions. Word has length 51 [2020-10-28 23:26:57,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:26:57,089 INFO L481 AbstractCegarLoop]: Abstraction has 404 states and 500 transitions. [2020-10-28 23:26:57,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 23:26:57,089 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 500 transitions. [2020-10-28 23:26:57,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-28 23:26:57,093 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:26:57,093 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:26:57,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 23:26:57,094 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:26:57,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:26:57,095 INFO L82 PathProgramCache]: Analyzing trace with hash -658299969, now seen corresponding path program 1 times [2020-10-28 23:26:57,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:26:57,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [906600871] [2020-10-28 23:26:57,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:26:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:26:57,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:26:57,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:26:57,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:26:57,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:26:57,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:02,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:02,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 23:27:02,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 23:27:02,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 23:27:02,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:02,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:02,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 23:27:02,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-28 23:27:02,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 23:27:02,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:02,319 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:27:02,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:27:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:02,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:02,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:02,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:27:02,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:02,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 23:27:02,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:02,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:02,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:02,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:02,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:02,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:27:02,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:27:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:02,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:02,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:02,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:27:02,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:02,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:27:02,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:02,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:02,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:02,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:02,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:02,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:27:02,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:27:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:02,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:02,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:02,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:27:02,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:02,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 23:27:02,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:02,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:02,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:02,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:02,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:02,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:27:02,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:27:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:02,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:02,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:02,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:27:02,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:02,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:27:02,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:02,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:02,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:02,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:02,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:02,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 23:27:02,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 23:27:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:02,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:02,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:02,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:27:02,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:02,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 23:27:02,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:02,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:02,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 23:27:02,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 23:27:02,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 23:27:02,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:02,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 23:27:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:02,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:02,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:02,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:02,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 23:27:02,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:27:02,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 23:27:02,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:02,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:02,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:02,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 23:27:02,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:02,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:02,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 23:27:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:02,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:02,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:02,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:27:02,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:02,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:27:02,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:02,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:02,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:02,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:27:02,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:02,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 23:27:02,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 23:27:02,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [906600871] [2020-10-28 23:27:02,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:27:02,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 23:27:02,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338622749] [2020-10-28 23:27:02,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 23:27:02,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:27:02,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 23:27:02,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-28 23:27:02,629 INFO L87 Difference]: Start difference. First operand 404 states and 500 transitions. Second operand 9 states. [2020-10-28 23:27:02,817 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-28 23:27:03,256 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:27:03,444 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-28 23:27:03,776 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 23:27:05,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:27:05,938 INFO L93 Difference]: Finished difference Result 984 states and 1254 transitions. [2020-10-28 23:27:05,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 23:27:05,939 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2020-10-28 23:27:05,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:27:05,948 INFO L225 Difference]: With dead ends: 984 [2020-10-28 23:27:05,948 INFO L226 Difference]: Without dead ends: 598 [2020-10-28 23:27:05,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2020-10-28 23:27:05,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2020-10-28 23:27:06,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 405. [2020-10-28 23:27:06,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-10-28 23:27:06,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 501 transitions. [2020-10-28 23:27:06,058 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 501 transitions. Word has length 54 [2020-10-28 23:27:06,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:27:06,058 INFO L481 AbstractCegarLoop]: Abstraction has 405 states and 501 transitions. [2020-10-28 23:27:06,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 23:27:06,058 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 501 transitions. [2020-10-28 23:27:06,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-28 23:27:06,069 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:27:06,070 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:27:06,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 23:27:06,070 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:27:06,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:27:06,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1317050441, now seen corresponding path program 1 times [2020-10-28 23:27:06,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:27:06,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1177051] [2020-10-28 23:27:06,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:27:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:06,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:06,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:06,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:06,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:08,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:08,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 23:27:08,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 23:27:08,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2488 [2020-10-28 23:27:08,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:08,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:08,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:27:08,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-28 23:27:08,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 23:27:08,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:08,744 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:27:08,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:27:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:08,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:08,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:08,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:27:08,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:08,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 23:27:08,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:08,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:08,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:08,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:08,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:08,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:08,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:27:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:08,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:08,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:08,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:27:08,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:08,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:27:08,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:08,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:08,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:08,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:08,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:08,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:27:08,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:27:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:08,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:08,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:08,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:27:08,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:08,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:27:08,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:08,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:08,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:08,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:08,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:08,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:27:08,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:27:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:08,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:08,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:08,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:27:08,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:08,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:27:08,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:08,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:08,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:08,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:08,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:08,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:27:08,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 23:27:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:08,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:08,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:08,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:27:08,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:08,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:27:08,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:08,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:08,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:08,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:08,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:08,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:27:08,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 23:27:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:08,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:08,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:08,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 23:27:08,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:08,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 23:27:08,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:08,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:08,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:27:08,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 23:27:08,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 23:27:08,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:27:08,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 23:27:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:08,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:08,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:08,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:27:08,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:08,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:27:08,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:08,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:08,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:08,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:27:08,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:08,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 23:27:08,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 23:27:08,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1177051] [2020-10-28 23:27:08,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:27:08,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 23:27:08,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908946662] [2020-10-28 23:27:08,976 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 23:27:08,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:27:08,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 23:27:08,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-28 23:27:08,978 INFO L87 Difference]: Start difference. First operand 405 states and 501 transitions. Second operand 8 states. [2020-10-28 23:27:09,124 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-28 23:27:09,693 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:27:10,021 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 23:27:12,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:27:12,003 INFO L93 Difference]: Finished difference Result 986 states and 1257 transitions. [2020-10-28 23:27:12,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 23:27:12,005 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 55 [2020-10-28 23:27:12,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:27:12,009 INFO L225 Difference]: With dead ends: 986 [2020-10-28 23:27:12,010 INFO L226 Difference]: Without dead ends: 603 [2020-10-28 23:27:12,011 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-28 23:27:12,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2020-10-28 23:27:12,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 406. [2020-10-28 23:27:12,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-10-28 23:27:12,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 502 transitions. [2020-10-28 23:27:12,073 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 502 transitions. Word has length 55 [2020-10-28 23:27:12,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:27:12,074 INFO L481 AbstractCegarLoop]: Abstraction has 406 states and 502 transitions. [2020-10-28 23:27:12,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 23:27:12,074 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 502 transitions. [2020-10-28 23:27:12,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-28 23:27:12,076 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:27:12,076 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:27:12,076 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 23:27:12,076 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:27:12,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:27:12,077 INFO L82 PathProgramCache]: Analyzing trace with hash 340629506, now seen corresponding path program 1 times [2020-10-28 23:27:12,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:27:12,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [869463075] [2020-10-28 23:27:12,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:27:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:12,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:12,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:12,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:12,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:16,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:16,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 23:27:16,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 23:27:16,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3942 [2020-10-28 23:27:16,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:16,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:16,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 23:27:16,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-28 23:27:16,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 23:27:16,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:16,269 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:27:16,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:27:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:16,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:16,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:16,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:27:16,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:16,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 23:27:16,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:16,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:16,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:16,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:16,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:16,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:16,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:27:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:16,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:16,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:16,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:27:16,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:16,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:27:16,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:16,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:16,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:16,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:16,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:16,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:16,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:27:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:16,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:16,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:16,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:27:16,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:16,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:27:16,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:16,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:16,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:16,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:16,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:16,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:16,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:27:16,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:16,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:16,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:16,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:27:16,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:16,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:27:16,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:16,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:16,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:16,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:16,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:16,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:16,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 23:27:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:16,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:16,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:16,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:27:16,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:16,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:27:16,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:16,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:16,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:16,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:16,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:16,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:16,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 23:27:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:16,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:16,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:16,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:16,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 23:27:16,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:27:16,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-28 23:27:16,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:16,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:16,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 23:27:16,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:16,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 23:27:16,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:16,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 23:27:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:16,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:16,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:16,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:27:16,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:16,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:27:16,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:16,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:16,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:16,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:27:16,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:16,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:16,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-28 23:27:16,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [869463075] [2020-10-28 23:27:16,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:27:16,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 23:27:16,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477368851] [2020-10-28 23:27:16,552 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 23:27:16,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:27:16,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 23:27:16,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 23:27:16,553 INFO L87 Difference]: Start difference. First operand 406 states and 502 transitions. Second operand 10 states. [2020-10-28 23:27:16,699 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-28 23:27:16,906 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-28 23:27:17,163 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 23:27:17,909 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 23:27:18,162 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 23:27:20,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:27:20,271 INFO L93 Difference]: Finished difference Result 982 states and 1249 transitions. [2020-10-28 23:27:20,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 23:27:20,272 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2020-10-28 23:27:20,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:27:20,276 INFO L225 Difference]: With dead ends: 982 [2020-10-28 23:27:20,276 INFO L226 Difference]: Without dead ends: 598 [2020-10-28 23:27:20,278 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-10-28 23:27:20,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2020-10-28 23:27:20,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 405. [2020-10-28 23:27:20,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-10-28 23:27:20,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 498 transitions. [2020-10-28 23:27:20,330 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 498 transitions. Word has length 59 [2020-10-28 23:27:20,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:27:20,331 INFO L481 AbstractCegarLoop]: Abstraction has 405 states and 498 transitions. [2020-10-28 23:27:20,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 23:27:20,331 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 498 transitions. [2020-10-28 23:27:20,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-28 23:27:20,333 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:27:20,333 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, 1, 1, 1] [2020-10-28 23:27:20,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 23:27:20,334 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:27:20,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:27:20,334 INFO L82 PathProgramCache]: Analyzing trace with hash -378043234, now seen corresponding path program 1 times [2020-10-28 23:27:20,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:27:20,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [121193541] [2020-10-28 23:27:20,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:27:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:20,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:20,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:20,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:20,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-28 23:27:20,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:27:20,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 619 [2020-10-28 23:27:20,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:20,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:20,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 23:27:20,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-28 23:27:20,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 23:27:20,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:21,179 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:27:21,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:27:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:21,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:21,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:21,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:27:21,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:21,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 23:27:21,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:21,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:21,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:21,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:21,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:21,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:21,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:27:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:21,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:21,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:21,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:27:21,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:21,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:27:21,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:21,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:21,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:21,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:21,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:21,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:21,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:27:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:21,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:21,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:21,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:27:21,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:21,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:27:21,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:21,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:21,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:21,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:21,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:21,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:21,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:27:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:21,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:21,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:21,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:27:21,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:21,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:27:21,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:21,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:21,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:21,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:21,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:21,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:21,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 23:27:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:21,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:21,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:21,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:27:21,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:21,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:27:21,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:21,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:21,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:21,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:21,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:21,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:21,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 23:27:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:21,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:21,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:21,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 23:27:21,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:21,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 23:27:21,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:21,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:21,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 23:27:21,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 23:27:21,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 23:27:21,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:21,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 23:27:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:21,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:21,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:21,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 23:27:21,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:21,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 23:27:21,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:21,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:21,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:21,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 23:27:21,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:21,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:21,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:27:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:21,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:21,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:21,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:27:21,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:21,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:27:21,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:21,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:21,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:21,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:21,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:21,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:21,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:27:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:21,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:21,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:21,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:27:21,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:21,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:27:21,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:21,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:21,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:21,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:21,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:21,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:21,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-28 23:27:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:21,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:21,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:21,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:27:21,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:21,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:27:21,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:21,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:21,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:21,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 23:27:21,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:21,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:21,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:27:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:21,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:21,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:21,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:27:21,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:21,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:27:21,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:21,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:21,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:21,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:21,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:21,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:21,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 23:27:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:21,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:21,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:21,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:27:21,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:21,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:27:21,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:21,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:21,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:21,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:27:21,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:21,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:21,481 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-28 23:27:21,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [121193541] [2020-10-28 23:27:21,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 23:27:21,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 23:27:21,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946906878] [2020-10-28 23:27:21,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 23:27:21,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:27:21,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 23:27:21,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-28 23:27:21,483 INFO L87 Difference]: Start difference. First operand 405 states and 498 transitions. Second operand 10 states. [2020-10-28 23:27:21,626 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-28 23:27:22,284 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:27:22,583 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:27:22,957 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 23:27:24,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:27:24,984 INFO L93 Difference]: Finished difference Result 993 states and 1261 transitions. [2020-10-28 23:27:24,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 23:27:24,984 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-10-28 23:27:24,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:27:24,988 INFO L225 Difference]: With dead ends: 993 [2020-10-28 23:27:24,988 INFO L226 Difference]: Without dead ends: 610 [2020-10-28 23:27:24,992 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2020-10-28 23:27:24,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2020-10-28 23:27:25,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 409. [2020-10-28 23:27:25,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2020-10-28 23:27:25,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 503 transitions. [2020-10-28 23:27:25,055 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 503 transitions. Word has length 89 [2020-10-28 23:27:25,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:27:25,057 INFO L481 AbstractCegarLoop]: Abstraction has 409 states and 503 transitions. [2020-10-28 23:27:25,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 23:27:25,057 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 503 transitions. [2020-10-28 23:27:25,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-28 23:27:25,059 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:27:25,060 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:27:25,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 23:27:25,060 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:27:25,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:27:25,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1978095127, now seen corresponding path program 2 times [2020-10-28 23:27:25,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:27:25,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [417073230] [2020-10-28 23:27:25,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:27:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:25,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:25,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:26,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:26,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-28 23:27:26,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:27:26,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1337 [2020-10-28 23:27:26,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:26,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:26,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 23:27:26,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 23:27:26,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-28 23:27:26,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:26,624 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:27:26,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:27:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:26,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:26,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:26,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:27:26,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:26,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 23:27:26,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:26,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:26,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:26,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:26,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:26,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:26,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:27:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:26,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:26,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:26,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:27:26,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:26,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:27:26,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:26,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:26,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:26,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:26,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:26,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:26,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:27:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:26,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:26,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:26,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:27:26,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:26,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:27:26,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:26,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:26,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:27:26,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:26,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:27:26,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:26,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:27:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:26,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:26,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:26,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:27:26,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:26,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:27:26,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:26,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:26,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:27:26,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:26,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 23:27:26,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:26,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 23:27:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:26,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:26,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:26,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:27:26,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:26,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 23:27:26,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:26,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:26,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:27:26,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:26,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 23:27:26,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:26,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 23:27:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:26,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:26,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:26,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:26,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 23:27:26,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:27:26,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-28 23:27:26,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:26,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:26,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:27:26,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:26,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 23:27:26,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:26,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 23:27:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:26,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:26,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:26,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 23:27:26,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:26,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 23:27:26,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:26,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:26,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:27:26,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:26,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 23:27:26,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:26,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:27:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:26,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:27,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:27,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:27:27,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:27,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:27:27,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:27,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:27,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:27,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:27,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:27,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:27,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:27:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:27,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:27,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:27,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:27:27,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:27,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:27:27,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:27,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:27,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:27,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:27,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:27,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:27,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 23:27:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:27,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:27,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:27,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:27:27,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:27,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:27:27,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:27,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:27,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:27:27,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:27,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 23:27:27,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:27,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:27:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:27,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:27,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:27,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:27:27,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:27,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:27:27,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:27,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:27,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:27,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:27,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:27,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:27,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-28 23:27:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:27,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:27,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:27,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:27:27,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:27,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:27:27,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:27,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:27,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 23:27:27,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:27,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:27:27,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:27,123 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-28 23:27:27,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [417073230] [2020-10-28 23:27:27,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:27:27,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 23:27:27,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838766753] [2020-10-28 23:27:27,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 23:27:27,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:27:27,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 23:27:27,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-28 23:27:27,127 INFO L87 Difference]: Start difference. First operand 409 states and 503 transitions. Second operand 12 states. [2020-10-28 23:27:27,330 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-28 23:27:27,541 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-28 23:27:27,769 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 23:27:28,626 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 23:27:29,645 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 129 [2020-10-28 23:27:29,851 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-28 23:27:30,044 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-28 23:27:31,025 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 23:27:31,584 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-28 23:27:33,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:27:33,592 INFO L93 Difference]: Finished difference Result 1481 states and 1901 transitions. [2020-10-28 23:27:33,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-28 23:27:33,592 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 93 [2020-10-28 23:27:33,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:27:33,599 INFO L225 Difference]: With dead ends: 1481 [2020-10-28 23:27:33,599 INFO L226 Difference]: Without dead ends: 1078 [2020-10-28 23:27:33,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=208, Invalid=548, Unknown=0, NotChecked=0, Total=756 [2020-10-28 23:27:33,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2020-10-28 23:27:33,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 867. [2020-10-28 23:27:33,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2020-10-28 23:27:33,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1089 transitions. [2020-10-28 23:27:33,702 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1089 transitions. Word has length 93 [2020-10-28 23:27:33,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:27:33,702 INFO L481 AbstractCegarLoop]: Abstraction has 867 states and 1089 transitions. [2020-10-28 23:27:33,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 23:27:33,703 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1089 transitions. [2020-10-28 23:27:33,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-28 23:27:33,706 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:27:33,707 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:27:33,707 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 23:27:33,707 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:27:33,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:27:33,708 INFO L82 PathProgramCache]: Analyzing trace with hash -254197096, now seen corresponding path program 1 times [2020-10-28 23:27:33,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:27:33,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1105423460] [2020-10-28 23:27:33,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:27:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:33,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:33,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:33,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:38,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:38,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-28 23:27:38,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:27:38,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-28 23:27:38,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:38,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:38,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 23:27:38,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-10-28 23:27:38,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 23:27:38,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:38,939 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:27:38,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:27:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:38,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:38,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:38,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:27:38,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:38,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 23:27:38,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:38,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:38,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:38,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:38,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:38,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:38,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:27:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:38,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:38,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:38,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:27:38,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:38,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:27:38,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:38,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:38,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:38,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:27:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:39,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:39,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:39,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:27:39,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:39,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:27:39,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:39,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:39,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:39,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:39,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:39,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:39,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:27:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:39,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:39,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:39,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:27:39,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:39,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:27:39,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:39,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:39,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:39,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:39,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:39,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:39,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 23:27:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:39,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:39,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:39,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:27:39,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:39,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:27:39,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:39,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:39,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:39,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:39,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:39,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:39,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 23:27:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:39,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:39,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:39,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:39,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 23:27:39,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:27:39,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-28 23:27:39,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:39,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:39,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:39,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:39,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:39,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:27:39,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 23:27:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:39,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:39,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:39,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 23:27:39,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:39,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:27:39,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:39,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:39,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:39,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:39,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:39,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:39,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:27:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:39,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:39,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:39,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:27:39,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:39,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:27:39,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:39,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:39,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:39,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:39,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:39,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:39,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:27:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:39,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:39,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:39,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:27:39,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:39,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:27:39,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:39,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:39,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:39,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:39,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:39,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:39,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-28 23:27:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:39,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:39,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:39,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:39,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 23:27:39,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:27:39,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 329 [2020-10-28 23:27:39,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:39,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:39,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 23:27:39,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-28 23:27:39,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 23:27:39,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:39,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:27:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:39,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:39,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:39,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:27:39,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:39,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:27:39,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:39,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:39,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:39,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:39,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:39,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:39,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:27:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:39,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:39,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:39,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:39,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 23:27:39,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:27:39,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-28 23:27:39,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:39,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:39,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 23:27:39,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 23:27:39,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 23:27:39,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 23:27:39,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:27:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:39,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:39,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:39,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:39,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 23:27:39,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:27:39,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-28 23:27:39,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:39,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:39,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 23:27:39,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:39,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 23:27:39,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:40,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:27:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:40,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:40,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:40,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:27:40,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:40,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:27:40,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:40,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:40,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:40,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:40,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:40,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:40,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 23:27:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:40,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:40,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:40,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 23:27:40,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:40,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 23:27:40,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:40,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:40,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:27:40,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:40,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 23:27:40,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:40,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-28 23:27:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:40,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:40,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:40,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:27:40,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:40,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:27:40,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:40,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:40,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:40,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 23:27:40,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:40,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:40,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:27:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:40,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:40,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:40,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:27:40,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:40,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:27:40,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:40,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:40,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:40,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:40,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:40,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:40,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-28 23:27:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:40,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:40,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:40,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:27:40,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:40,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:27:40,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:40,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:40,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:40,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:27:40,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:40,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:40,274 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-28 23:27:40,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1105423460] [2020-10-28 23:27:40,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:27:40,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-28 23:27:40,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792040254] [2020-10-28 23:27:40,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 23:27:40,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:27:40,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 23:27:40,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-10-28 23:27:40,276 INFO L87 Difference]: Start difference. First operand 867 states and 1089 transitions. Second operand 14 states. [2020-10-28 23:27:40,435 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-28 23:27:41,432 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 23:27:42,235 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-28 23:27:42,477 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-28 23:27:42,874 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-28 23:27:43,140 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-28 23:27:44,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:27:44,740 INFO L93 Difference]: Finished difference Result 1963 states and 2520 transitions. [2020-10-28 23:27:44,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-28 23:27:44,740 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 141 [2020-10-28 23:27:44,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:27:44,748 INFO L225 Difference]: With dead ends: 1963 [2020-10-28 23:27:44,748 INFO L226 Difference]: Without dead ends: 1118 [2020-10-28 23:27:44,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=183, Invalid=629, Unknown=0, NotChecked=0, Total=812 [2020-10-28 23:27:44,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2020-10-28 23:27:44,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 883. [2020-10-28 23:27:44,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 883 states. [2020-10-28 23:27:44,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1103 transitions. [2020-10-28 23:27:44,863 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1103 transitions. Word has length 141 [2020-10-28 23:27:44,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:27:44,864 INFO L481 AbstractCegarLoop]: Abstraction has 883 states and 1103 transitions. [2020-10-28 23:27:44,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 23:27:44,864 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1103 transitions. [2020-10-28 23:27:44,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-28 23:27:44,871 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:27:44,872 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:27:44,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 23:27:44,872 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:27:44,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:27:44,873 INFO L82 PathProgramCache]: Analyzing trace with hash 649709867, now seen corresponding path program 1 times [2020-10-28 23:27:44,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:27:44,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [730737920] [2020-10-28 23:27:44,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:27:44,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:44,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:45,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:45,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:49,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:49,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-28 23:27:49,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:27:49,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4229 [2020-10-28 23:27:49,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:49,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:49,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 23:27:49,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-28 23:27:49,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 23:27:49,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:49,356 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:27:49,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:27:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:49,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:49,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:49,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:27:49,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:49,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 23:27:49,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:49,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:49,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:49,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:49,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:49,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:27:49,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:27:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:49,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:49,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:49,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:27:49,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:49,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:27:49,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:49,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:49,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:49,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:49,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:49,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:49,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:27:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:49,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:49,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:49,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:27:49,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:49,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:27:49,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:49,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:49,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:49,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:49,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:49,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:49,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:27:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:49,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:49,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:49,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:27:49,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:49,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:27:49,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:49,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:49,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:49,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:49,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:49,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:49,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 23:27:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:49,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:49,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:49,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:27:49,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:49,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:27:49,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:49,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:49,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:49,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:49,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:49,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:49,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 23:27:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:49,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:49,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:49,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 23:27:49,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:49,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 23:27:49,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:49,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:49,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 23:27:49,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 23:27:49,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 23:27:49,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:49,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 23:27:49,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:49,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:49,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:49,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 23:27:49,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:49,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 23:27:49,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:49,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:49,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:49,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 23:27:49,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:49,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:49,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:27:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:49,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:49,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:49,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:27:49,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:49,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:27:49,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:49,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:49,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:49,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:49,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:49,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:49,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:27:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:49,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:49,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:49,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:27:49,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:49,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:27:49,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:49,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:49,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:49,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:49,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:49,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:49,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-28 23:27:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:49,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:49,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:49,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:50,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:50,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 23:27:50,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:27:50,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 342 [2020-10-28 23:27:50,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:50,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:50,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:50,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-28 23:27:50,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:50,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:50,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:27:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:50,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:50,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:50,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:27:50,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:50,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:27:50,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:50,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:50,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:50,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:50,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:50,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:50,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:27:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:50,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:50,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:50,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:50,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:50,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 23:27:50,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:27:50,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-10-28 23:27:50,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:50,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:50,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:50,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:50,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:50,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:50,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:27:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:50,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:50,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:50,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:50,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 23:27:50,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:27:50,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-28 23:27:50,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:50,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:50,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:50,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:50,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:50,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:50,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:27:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:50,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:50,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:50,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:27:50,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:50,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:27:50,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:50,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:50,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:50,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:50,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:50,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:50,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 23:27:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:50,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:50,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:50,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 23:27:50,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:50,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:27:50,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:50,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:50,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:50,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:50,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:50,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:50,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 23:27:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:50,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:50,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:50,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:27:50,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:50,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:27:50,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:50,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:50,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:50,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:50,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:50,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:50,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 23:27:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:50,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:50,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:50,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:27:50,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:50,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:27:50,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:50,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:50,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:50,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 23:27:50,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:50,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:50,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:27:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:50,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:50,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:50,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:27:50,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:50,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:27:50,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:50,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:50,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:50,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:27:50,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:50,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:50,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-28 23:27:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:50,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:50,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:50,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:27:50,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:27:50,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:27:50,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:50,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:50,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:27:50,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:27:50,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:27:50,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:27:50,474 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-28 23:27:50,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [730737920] [2020-10-28 23:27:50,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 23:27:50,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-28 23:27:50,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173001061] [2020-10-28 23:27:50,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 23:27:50,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:27:50,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 23:27:50,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-10-28 23:27:50,476 INFO L87 Difference]: Start difference. First operand 883 states and 1103 transitions. Second operand 14 states. [2020-10-28 23:27:50,673 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-28 23:27:51,395 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:27:51,706 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:27:52,077 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:27:52,409 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 23:27:54,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:27:54,884 INFO L93 Difference]: Finished difference Result 2171 states and 2824 transitions. [2020-10-28 23:27:54,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-28 23:27:54,885 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 147 [2020-10-28 23:27:54,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:27:54,892 INFO L225 Difference]: With dead ends: 2171 [2020-10-28 23:27:54,893 INFO L226 Difference]: Without dead ends: 1310 [2020-10-28 23:27:54,896 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=188, Invalid=462, Unknown=0, NotChecked=0, Total=650 [2020-10-28 23:27:54,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2020-10-28 23:27:55,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 891. [2020-10-28 23:27:55,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 891 states. [2020-10-28 23:27:55,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1113 transitions. [2020-10-28 23:27:55,011 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 1113 transitions. Word has length 147 [2020-10-28 23:27:55,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:27:55,011 INFO L481 AbstractCegarLoop]: Abstraction has 891 states and 1113 transitions. [2020-10-28 23:27:55,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 23:27:55,011 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1113 transitions. [2020-10-28 23:27:55,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-28 23:27:55,016 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:27:55,016 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:27:55,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 23:27:55,016 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:27:55,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:27:55,017 INFO L82 PathProgramCache]: Analyzing trace with hash -864018076, now seen corresponding path program 2 times [2020-10-28 23:27:55,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:27:55,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1257114920] [2020-10-28 23:27:55,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:27:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:27:55,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:55,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:55,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:27:59,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:27:59,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-28 23:27:59,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:27:59,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4855 [2020-10-28 23:27:59,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:27:59,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:27:59,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 23:27:59,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-28 23:27:59,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 23:27:59,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:00,069 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:28:00,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:28:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:00,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:00,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:00,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:00,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:00,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 23:28:00,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:00,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:00,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:00,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:00,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:00,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:00,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:28:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:00,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:00,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:00,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:00,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:00,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:28:00,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:00,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:00,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:00,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:00,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:00,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:00,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:28:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:00,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:00,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:00,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:28:00,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:00,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:28:00,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:00,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:00,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:00,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:00,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:00,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:00,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:28:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:00,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:00,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:00,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:00,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:00,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:00,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:00,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:00,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:00,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:00,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:00,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:00,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 23:28:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:00,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:00,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:00,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:28:00,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:00,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:28:00,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:00,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:00,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:00,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:00,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:00,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:00,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 23:28:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:00,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:00,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:00,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 23:28:00,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:00,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-28 23:28:00,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:00,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:00,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 23:28:00,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 23:28:00,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 23:28:00,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:00,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 23:28:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:00,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:00,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:00,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 23:28:00,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:00,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 23:28:00,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:00,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:00,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:00,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 23:28:00,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:00,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:00,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:28:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:00,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:00,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:00,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:00,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:00,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:00,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:00,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:00,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:00,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:00,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:00,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:00,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:28:00,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:00,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:00,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:00,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:00,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:00,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:00,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:00,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:00,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:00,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:00,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:00,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:00,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 23:28:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:00,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:00,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:00,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:00,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:00,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 23:28:00,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:28:00,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 339 [2020-10-28 23:28:00,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:00,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:00,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:00,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-28 23:28:00,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:00,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:00,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:28:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:00,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:00,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:00,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:00,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:00,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:00,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:00,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:00,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:00,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:00,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:00,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:00,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:28:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:00,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:00,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:00,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:01,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:01,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 23:28:01,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:28:01,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-28 23:28:01,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:01,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:01,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:01,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:01,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:01,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:01,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:28:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:01,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:01,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:01,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:01,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 23:28:01,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:28:01,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-28 23:28:01,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:01,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:01,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:01,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:01,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:01,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:01,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:28:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:01,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:01,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:01,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:01,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:01,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:01,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:01,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:01,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:01,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:01,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:01,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:01,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 23:28:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:01,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:01,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:01,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 23:28:01,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:01,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:28:01,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:01,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:01,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:01,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:01,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:01,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:01,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 23:28:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:01,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:01,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:01,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:01,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:01,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:01,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:01,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:01,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:01,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:01,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:01,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:01,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-28 23:28:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:01,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:01,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:01,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:28:01,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:01,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:01,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:01,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:01,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:01,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 23:28:01,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:01,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:01,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:28:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:01,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:01,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:01,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:01,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:01,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:01,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:01,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:01,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:01,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:01,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:01,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:01,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-28 23:28:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:01,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:01,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:01,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:01,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:01,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:01,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:01,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:01,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:01,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:28:01,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:01,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:01,259 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-28 23:28:01,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1257114920] [2020-10-28 23:28:01,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 23:28:01,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-28 23:28:01,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553279712] [2020-10-28 23:28:01,261 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-28 23:28:01,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:28:01,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-28 23:28:01,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2020-10-28 23:28:01,262 INFO L87 Difference]: Start difference. First operand 891 states and 1113 transitions. Second operand 15 states. [2020-10-28 23:28:01,416 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-28 23:28:01,985 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:28:02,289 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:28:02,693 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:28:03,026 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:28:03,290 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 23:28:05,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:28:05,778 INFO L93 Difference]: Finished difference Result 2195 states and 2854 transitions. [2020-10-28 23:28:05,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-28 23:28:05,779 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 151 [2020-10-28 23:28:05,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:28:05,788 INFO L225 Difference]: With dead ends: 2195 [2020-10-28 23:28:05,788 INFO L226 Difference]: Without dead ends: 1326 [2020-10-28 23:28:05,792 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=233, Invalid=579, Unknown=0, NotChecked=0, Total=812 [2020-10-28 23:28:05,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2020-10-28 23:28:05,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 899. [2020-10-28 23:28:05,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 899 states. [2020-10-28 23:28:05,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1123 transitions. [2020-10-28 23:28:05,965 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1123 transitions. Word has length 151 [2020-10-28 23:28:05,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:28:05,965 INFO L481 AbstractCegarLoop]: Abstraction has 899 states and 1123 transitions. [2020-10-28 23:28:05,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-28 23:28:05,965 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1123 transitions. [2020-10-28 23:28:05,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-28 23:28:05,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:28:05,969 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:28:05,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 23:28:05,970 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:28:05,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:28:05,970 INFO L82 PathProgramCache]: Analyzing trace with hash -92424931, now seen corresponding path program 3 times [2020-10-28 23:28:05,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:28:05,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1247506957] [2020-10-28 23:28:05,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:28:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:06,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:06,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:06,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:11,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:11,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-28 23:28:11,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:28:11,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-28 23:28:11,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:11,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:11,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 23:28:11,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-28 23:28:11,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 23:28:11,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:11,190 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:28:11,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:28:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:11,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:11,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:11,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:11,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:11,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:28:11,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:11,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:11,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:11,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:11,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:11,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:11,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:28:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:11,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:11,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:11,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:11,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:11,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:28:11,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:11,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:11,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:11,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:11,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:11,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:11,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:28:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:11,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:11,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:11,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:28:11,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:11,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:28:11,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:11,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:11,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:11,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:11,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:11,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:11,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:28:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:11,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:11,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:11,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:11,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:11,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:11,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:11,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:11,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:11,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:11,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:11,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:11,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 23:28:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:11,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:11,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:11,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:28:11,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:11,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:28:11,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:11,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:11,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:11,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:11,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:11,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:11,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 23:28:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:11,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:11,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:11,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 23:28:11,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:11,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-28 23:28:11,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:11,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:11,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 23:28:11,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 23:28:11,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 23:28:11,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:11,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 23:28:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:11,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:11,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:11,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 23:28:11,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:11,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 23:28:11,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:11,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:11,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:11,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 23:28:11,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:11,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:11,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:28:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:11,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:11,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:11,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:11,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:11,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:28:11,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:11,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:11,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:11,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:11,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:11,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:11,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:28:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:11,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:11,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:11,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:11,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:11,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:28:11,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:11,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:11,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:11,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:11,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:11,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 23:28:11,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 23:28:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:11,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:11,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:11,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:11,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:11,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 23:28:11,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:28:11,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 316 [2020-10-28 23:28:11,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:11,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:11,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:11,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-28 23:28:11,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:11,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:11,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:28:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:11,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:11,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:11,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:11,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:11,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:11,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:11,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:11,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:11,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:11,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:11,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:11,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:28:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:11,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:11,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:12,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:12,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:12,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 23:28:12,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:28:12,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-10-28 23:28:12,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:12,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:12,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:12,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:12,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:12,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:12,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:28:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:12,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:12,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:12,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:12,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 23:28:12,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:28:12,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 23:28:12,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:12,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:12,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:12,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:12,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:12,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:12,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:28:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:12,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:12,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:12,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:12,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:12,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:12,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:12,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:12,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:12,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:12,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:12,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:28:12,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 23:28:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:12,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:12,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:12,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 23:28:12,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:12,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:28:12,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:12,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:12,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:12,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:12,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:12,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:28:12,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 23:28:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:12,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:12,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:12,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:12,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:12,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:28:12,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:12,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:12,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:12,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:12,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:12,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:12,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-28 23:28:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:12,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:12,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:12,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:28:12,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:12,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:12,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:12,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:12,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:12,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 23:28:12,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:12,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:12,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:28:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:12,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:12,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:12,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:12,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:12,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:28:12,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:12,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:12,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:12,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:12,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:12,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:12,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 23:28:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:12,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:12,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:12,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:12,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:12,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:12,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:12,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:12,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:12,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:28:12,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:12,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:12,380 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-28 23:28:12,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1247506957] [2020-10-28 23:28:12,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 23:28:12,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-28 23:28:12,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580353818] [2020-10-28 23:28:12,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-28 23:28:12,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:28:12,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-28 23:28:12,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2020-10-28 23:28:12,382 INFO L87 Difference]: Start difference. First operand 899 states and 1123 transitions. Second operand 16 states. [2020-10-28 23:28:12,530 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-28 23:28:13,170 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:28:13,483 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:28:13,890 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:28:14,248 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:28:14,523 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:28:14,768 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 23:28:17,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:28:17,506 INFO L93 Difference]: Finished difference Result 2219 states and 2884 transitions. [2020-10-28 23:28:17,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-28 23:28:17,507 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 155 [2020-10-28 23:28:17,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:28:17,515 INFO L225 Difference]: With dead ends: 2219 [2020-10-28 23:28:17,515 INFO L226 Difference]: Without dead ends: 1342 [2020-10-28 23:28:17,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=284, Invalid=708, Unknown=0, NotChecked=0, Total=992 [2020-10-28 23:28:17,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2020-10-28 23:28:17,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 907. [2020-10-28 23:28:17,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 907 states. [2020-10-28 23:28:17,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1133 transitions. [2020-10-28 23:28:17,640 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1133 transitions. Word has length 155 [2020-10-28 23:28:17,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:28:17,641 INFO L481 AbstractCegarLoop]: Abstraction has 907 states and 1133 transitions. [2020-10-28 23:28:17,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-28 23:28:17,641 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1133 transitions. [2020-10-28 23:28:17,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-28 23:28:17,645 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:28:17,646 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:28:17,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 23:28:17,646 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:28:17,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:28:17,647 INFO L82 PathProgramCache]: Analyzing trace with hash 61391958, now seen corresponding path program 4 times [2020-10-28 23:28:17,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:28:17,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [14441647] [2020-10-28 23:28:17,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:28:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:17,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:17,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:17,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:22,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:22,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-28 23:28:22,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:28:22,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-28 23:28:22,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:22,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:22,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 23:28:22,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 132 [2020-10-28 23:28:22,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:28:22,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:22,875 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:28:22,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:28:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:22,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:22,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:22,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:22,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:22,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 23:28:22,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:22,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:22,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:22,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:22,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:22,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:22,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:28:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:22,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:22,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:22,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:22,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:22,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:28:22,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:22,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:22,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:22,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:22,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:22,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:22,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:28:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:22,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:22,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:22,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:28:22,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:22,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:22,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:22,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:22,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:22,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:22,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:22,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:22,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:28:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:22,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:22,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:22,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:22,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:22,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:28:22,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:22,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:22,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:22,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:22,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:22,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:22,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 23:28:22,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:22,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:22,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:22,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:28:22,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:22,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:28:22,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:22,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:22,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:22,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:22,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:22,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:22,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 23:28:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:23,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:23,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:23,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:23,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 23:28:23,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:28:23,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-28 23:28:23,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:23,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:23,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:23,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:23,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:23,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:23,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-28 23:28:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:23,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:23,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:23,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 23:28:23,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:23,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:28:23,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:23,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:23,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:23,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:23,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:23,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:23,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:28:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:23,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:23,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:23,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:23,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:23,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:23,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:23,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:23,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:23,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:23,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:23,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:23,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:28:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:23,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:23,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:23,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:23,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:23,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:23,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:23,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:23,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:23,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:23,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:23,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:23,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-28 23:28:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:23,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:23,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:23,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:23,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 23:28:23,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:28:23,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-28 23:28:23,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:23,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:23,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 23:28:23,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-28 23:28:23,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:28:23,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:23,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:28:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:23,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:23,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:23,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:23,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:23,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:23,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:23,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:23,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:23,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:23,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:23,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:23,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:28:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:23,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:23,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:23,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:23,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 23:28:23,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:28:23,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-28 23:28:23,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:23,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:23,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 23:28:23,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 23:28:23,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:28:23,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:23,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:28:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:23,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:23,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:23,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 23:28:23,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:23,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 23:28:23,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:23,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:23,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 23:28:23,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 23:28:23,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:28:23,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:23,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:28:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:23,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:23,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:23,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:23,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:23,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 23:28:23,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:23,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:23,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 23:28:23,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:23,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:28:23,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:23,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 23:28:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:23,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:23,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:23,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 23:28:23,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:23,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:28:23,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:23,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:23,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:23,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 23:28:23,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:23,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:23,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 23:28:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:23,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:23,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:23,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:23,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:23,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:23,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:23,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:23,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:23,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 23:28:23,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:23,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:23,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 23:28:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:23,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:23,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:23,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:28:23,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:23,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-28 23:28:23,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:23,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:23,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:23,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 23:28:23,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:23,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:23,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:28:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:23,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:23,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:23,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:23,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:23,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:28:23,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:23,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:23,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:23,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:23,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:23,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:23,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-28 23:28:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:23,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:23,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:23,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:23,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:23,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:23,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:23,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:23,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:23,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:28:23,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:23,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:23,816 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-10-28 23:28:23,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [14441647] [2020-10-28 23:28:23,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:28:23,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-28 23:28:23,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186705131] [2020-10-28 23:28:23,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 23:28:23,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:28:23,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 23:28:23,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-10-28 23:28:23,818 INFO L87 Difference]: Start difference. First operand 907 states and 1133 transitions. Second operand 14 states. [2020-10-28 23:28:23,990 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-28 23:28:24,268 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-28 23:28:25,192 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 23:28:25,807 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-28 23:28:26,015 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-28 23:28:27,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:28:27,766 INFO L93 Difference]: Finished difference Result 2133 states and 2766 transitions. [2020-10-28 23:28:27,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-28 23:28:27,767 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 159 [2020-10-28 23:28:27,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:28:27,774 INFO L225 Difference]: With dead ends: 2133 [2020-10-28 23:28:27,774 INFO L226 Difference]: Without dead ends: 1248 [2020-10-28 23:28:27,778 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=154, Invalid=398, Unknown=0, NotChecked=0, Total=552 [2020-10-28 23:28:27,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2020-10-28 23:28:27,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 923. [2020-10-28 23:28:27,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 923 states. [2020-10-28 23:28:27,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1154 transitions. [2020-10-28 23:28:27,910 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1154 transitions. Word has length 159 [2020-10-28 23:28:27,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:28:27,910 INFO L481 AbstractCegarLoop]: Abstraction has 923 states and 1154 transitions. [2020-10-28 23:28:27,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 23:28:27,910 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1154 transitions. [2020-10-28 23:28:27,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-28 23:28:27,915 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:28:27,915 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:28:27,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 23:28:27,915 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:28:27,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:28:27,916 INFO L82 PathProgramCache]: Analyzing trace with hash -113562512, now seen corresponding path program 1 times [2020-10-28 23:28:27,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:28:27,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [409329778] [2020-10-28 23:28:27,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:28:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:28,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:28,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:33,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:33,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-28 23:28:33,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:28:33,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5064 [2020-10-28 23:28:33,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:33,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:33,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 23:28:33,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-28 23:28:33,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 23:28:33,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:33,186 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:28:33,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:28:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:33,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:33,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:33,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:33,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:33,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 23:28:33,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:33,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:33,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:33,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:33,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:33,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:33,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:28:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:33,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:33,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:33,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:33,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:33,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:28:33,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:33,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:33,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:33,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:33,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:33,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:33,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:28:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:33,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:33,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:33,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:28:33,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:33,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:28:33,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:33,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:33,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:33,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:33,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:33,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:33,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:28:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:33,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:33,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:33,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:33,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:33,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:33,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:33,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:33,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:33,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:33,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:33,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:33,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 23:28:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:33,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:33,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:33,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:28:33,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:33,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:28:33,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:33,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:33,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:33,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:33,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:33,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:33,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 23:28:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:33,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:33,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:33,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 23:28:33,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:33,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-28 23:28:33,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:33,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:33,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 23:28:33,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 23:28:33,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 23:28:33,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:33,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-28 23:28:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:33,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:33,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:33,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 23:28:33,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:33,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 23:28:33,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:33,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 23:28:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:33,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:33,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:28:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:33,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:33,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:33,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:33,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:33,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:28:33,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:33,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:33,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:33,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:33,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:33,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:33,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:28:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:33,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:33,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:33,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:33,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:33,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:28:33,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:33,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:33,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:33,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:33,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:33,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:33,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-28 23:28:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:33,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:33,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:34,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:34,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 23:28:34,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:28:34,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 421 [2020-10-28 23:28:34,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:34,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:34,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:34,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-28 23:28:34,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:34,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:34,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:28:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:34,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:34,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:34,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:34,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:34,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:34,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:34,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:34,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:34,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:34,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:34,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:34,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:28:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:34,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:34,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:34,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-28 23:28:34,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:34,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 23:28:34,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:34,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:34,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:34,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:34,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:34,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:34,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:28:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:34,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:34,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:34,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 23:28:34,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:34,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 23:28:34,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:34,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:34,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:34,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:34,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:34,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:34,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:28:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:34,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:34,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:34,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 23:28:34,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:34,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 23:28:34,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:34,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:34,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:34,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:34,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:34,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:34,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 23:28:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:34,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:34,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:34,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:34,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:34,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:34,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:34,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:34,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:34,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:34,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:34,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:34,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:28:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:34,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:34,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:34,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:34,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:34,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:34,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:34,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:34,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:34,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:34,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:34,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:34,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 23:28:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:34,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:34,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:34,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 23:28:34,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:34,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 23:28:34,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:34,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:34,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:34,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:34,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:34,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:34,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 23:28:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:34,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:34,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:34,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:34,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:34,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:28:34,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:34,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:34,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:34,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:34,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:34,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:34,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-28 23:28:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:34,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:34,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:34,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:28:34,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:34,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:28:34,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:34,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:34,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:34,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 23:28:34,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:34,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:34,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:28:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:34,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:34,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:34,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:34,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:34,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 23:28:34,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:34,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:34,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:34,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:34,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:34,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:34,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-28 23:28:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:34,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:34,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:34,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:34,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:34,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:34,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:34,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:34,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:34,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:28:34,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:34,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:34,380 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 7 proven. 45 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-28 23:28:34,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [409329778] [2020-10-28 23:28:34,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 23:28:34,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-28 23:28:34,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691306236] [2020-10-28 23:28:34,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-28 23:28:34,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:28:34,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-28 23:28:34,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2020-10-28 23:28:34,384 INFO L87 Difference]: Start difference. First operand 923 states and 1154 transitions. Second operand 18 states. [2020-10-28 23:28:34,541 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-28 23:28:35,265 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:28:35,603 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:28:35,997 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:28:36,352 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:28:36,633 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:28:36,889 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:28:37,135 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 23:28:39,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:28:39,757 INFO L93 Difference]: Finished difference Result 2177 states and 2800 transitions. [2020-10-28 23:28:39,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-28 23:28:39,759 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 170 [2020-10-28 23:28:39,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:28:39,765 INFO L225 Difference]: With dead ends: 2177 [2020-10-28 23:28:39,765 INFO L226 Difference]: Without dead ends: 1276 [2020-10-28 23:28:39,768 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=360, Invalid=900, Unknown=0, NotChecked=0, Total=1260 [2020-10-28 23:28:39,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2020-10-28 23:28:39,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 931. [2020-10-28 23:28:39,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 931 states. [2020-10-28 23:28:39,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1164 transitions. [2020-10-28 23:28:39,891 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1164 transitions. Word has length 170 [2020-10-28 23:28:39,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:28:39,892 INFO L481 AbstractCegarLoop]: Abstraction has 931 states and 1164 transitions. [2020-10-28 23:28:39,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-28 23:28:39,892 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1164 transitions. [2020-10-28 23:28:39,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-28 23:28:39,897 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:28:39,897 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:28:39,897 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 23:28:39,897 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:28:39,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:28:39,898 INFO L82 PathProgramCache]: Analyzing trace with hash -634739689, now seen corresponding path program 2 times [2020-10-28 23:28:39,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:28:39,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [109743822] [2020-10-28 23:28:39,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:28:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:39,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:40,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:44,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:44,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-28 23:28:44,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:28:44,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-28 23:28:44,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:44,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:44,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 23:28:44,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-28 23:28:44,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 23:28:44,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:45,139 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:28:45,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:28:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:45,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:45,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:45,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:45,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:45,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 23:28:45,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:45,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:45,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:45,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:45,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:45,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:45,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:28:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:45,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:45,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:45,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:45,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:45,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:45,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:45,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:45,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:45,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:45,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:45,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:45,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:28:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:45,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:45,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:45,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:28:45,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:45,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:28:45,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:45,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:45,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:45,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:45,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:45,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:45,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:28:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:45,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:45,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:45,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:45,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:45,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:28:45,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:45,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:45,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:45,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:45,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:45,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:45,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 23:28:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:45,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:45,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:45,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:28:45,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:45,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:28:45,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:45,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:45,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:45,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:45,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:45,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:45,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 23:28:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:45,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:45,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:45,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 23:28:45,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:45,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-28 23:28:45,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:45,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:45,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 23:28:45,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 23:28:45,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 23:28:45,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:45,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-28 23:28:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:45,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:45,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:45,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 23:28:45,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:45,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:28:45,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:45,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:45,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:45,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 23:28:45,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:45,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:45,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:28:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:45,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:45,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:45,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:45,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:45,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:28:45,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:45,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:45,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:45,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:45,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:45,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:45,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:28:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:45,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:45,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:45,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:45,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:45,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:45,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:45,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:45,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:45,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:45,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:45,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:45,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-28 23:28:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:45,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:45,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:45,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:45,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 23:28:45,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:28:45,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 284 [2020-10-28 23:28:45,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:45,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:45,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:45,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-28 23:28:45,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:45,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:45,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:28:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:45,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:45,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:45,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:45,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:45,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:45,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:45,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:45,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:45,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:45,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:45,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:45,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:28:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:45,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:45,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:45,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-28 23:28:45,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:45,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 23:28:45,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:45,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:45,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:45,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:45,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:45,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:45,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:28:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:45,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:45,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:45,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 23:28:45,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:45,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 23:28:45,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:45,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:45,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:45,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:45,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:45,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:45,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:28:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:45,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:45,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:45,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 23:28:45,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:45,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 23:28:45,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:45,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:45,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:45,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:45,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:45,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:45,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 23:28:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:45,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:45,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:45,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:45,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:45,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:45,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:45,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:45,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:45,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:45,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:45,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:45,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:28:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:45,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:45,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:45,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:45,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:45,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:28:45,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:45,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:46,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:46,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:46,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:46,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:46,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 23:28:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:46,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:46,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:46,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 23:28:46,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:46,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:28:46,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:46,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:46,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:46,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:46,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:46,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:46,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 23:28:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:46,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:46,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:46,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:46,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:46,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:46,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:46,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:46,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:46,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:46,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:46,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:46,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-28 23:28:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:46,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:46,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:46,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:28:46,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:46,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:46,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:46,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:46,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:46,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 23:28:46,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:46,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:46,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:28:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:46,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:46,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:46,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:46,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:46,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:28:46,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:46,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:46,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:46,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:46,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:46,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:46,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-28 23:28:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:46,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:46,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:46,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:46,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:46,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:46,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:46,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:46,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:46,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:28:46,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:46,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:46,166 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 7 proven. 66 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-28 23:28:46,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [109743822] [2020-10-28 23:28:46,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 23:28:46,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-28 23:28:46,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866892625] [2020-10-28 23:28:46,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-28 23:28:46,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:28:46,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-28 23:28:46,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2020-10-28 23:28:46,169 INFO L87 Difference]: Start difference. First operand 931 states and 1164 transitions. Second operand 19 states. [2020-10-28 23:28:46,349 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-28 23:28:47,179 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:28:47,504 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:28:47,926 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:28:48,288 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:28:48,568 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:28:48,826 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:28:49,090 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:28:49,349 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 23:28:51,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:28:51,966 INFO L93 Difference]: Finished difference Result 2201 states and 2830 transitions. [2020-10-28 23:28:51,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-28 23:28:51,967 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 174 [2020-10-28 23:28:51,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:28:51,974 INFO L225 Difference]: With dead ends: 2201 [2020-10-28 23:28:51,974 INFO L226 Difference]: Without dead ends: 1292 [2020-10-28 23:28:51,978 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=424, Invalid=1058, Unknown=0, NotChecked=0, Total=1482 [2020-10-28 23:28:51,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2020-10-28 23:28:52,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 939. [2020-10-28 23:28:52,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 939 states. [2020-10-28 23:28:52,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1174 transitions. [2020-10-28 23:28:52,105 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1174 transitions. Word has length 174 [2020-10-28 23:28:52,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:28:52,106 INFO L481 AbstractCegarLoop]: Abstraction has 939 states and 1174 transitions. [2020-10-28 23:28:52,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-28 23:28:52,106 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1174 transitions. [2020-10-28 23:28:52,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-28 23:28:52,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:28:52,111 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:28:52,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 23:28:52,111 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:28:52,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:28:52,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1102573630, now seen corresponding path program 3 times [2020-10-28 23:28:52,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:28:52,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [267039267] [2020-10-28 23:28:52,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:28:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:52,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:52,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:57,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:57,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-28 23:28:57,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:28:57,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-28 23:28:57,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:57,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:57,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-28 23:28:57,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 149 [2020-10-28 23:28:57,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-28 23:28:57,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:57,354 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:28:57,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:28:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:57,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:57,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:57,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:57,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:57,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:28:57,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:57,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:57,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:57,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:57,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:57,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:57,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:28:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:57,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:57,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:57,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:57,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:57,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:28:57,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:57,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:57,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:57,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:57,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:57,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:57,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:28:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:57,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:57,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:57,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:28:57,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:57,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:57,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:57,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:57,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:57,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:57,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:57,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:57,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:28:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:57,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:57,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:57,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:57,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:57,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:28:57,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:57,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:57,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:57,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:57,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:57,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:57,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 23:28:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:57,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:57,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:57,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:28:57,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:57,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:28:57,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:57,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:57,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:57,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:57,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:57,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:57,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 23:28:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:57,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:57,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:57,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:57,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 23:28:57,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:28:57,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-10-28 23:28:57,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:57,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:57,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:57,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:57,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:57,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:57,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-28 23:28:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:57,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:57,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:57,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 23:28:57,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:57,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:28:57,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:57,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:57,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:57,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:57,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:57,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:57,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:28:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:57,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:57,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:57,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:57,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:57,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:28:57,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:57,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:57,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:57,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:57,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:57,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:57,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:28:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:57,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:57,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:57,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:57,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:57,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:57,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:57,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:57,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:57,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:57,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:57,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:57,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-28 23:28:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:57,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:58,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:58,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 23:28:58,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:58,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 331 [2020-10-28 23:28:58,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:58,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:58,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-28 23:28:58,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-28 23:28:58,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-28 23:28:58,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:58,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:28:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:58,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:58,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:58,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:58,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:58,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:28:58,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:58,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:58,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:58,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:58,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:58,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:58,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:28:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:58,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:58,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:58,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-28 23:28:58,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:58,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-28 23:28:58,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:58,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 23:28:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:58,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-28 23:28:58,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:58,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:28:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:58,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:58,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:58,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 23:28:58,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:58,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-28 23:28:58,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:58,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:58,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 23:28:58,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:58,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-28 23:28:58,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:58,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:28:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:58,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:58,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:58,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 23:28:58,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:58,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-28 23:28:58,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:58,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:58,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 23:28:58,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:58,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 23:28:58,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:59,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 23:28:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:59,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:59,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:59,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:59,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:59,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:28:59,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:59,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:59,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:59,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:59,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:59,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:59,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:28:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:59,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:59,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:59,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:59,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:59,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 23:28:59,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:59,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:59,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 23:28:59,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:59,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 23:28:59,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:59,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 23:28:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:59,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:59,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:59,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 23:28:59,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:59,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 23:28:59,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:59,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:59,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:28:59,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:59,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 23:28:59,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:59,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 23:28:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:59,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:59,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:59,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:59,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:59,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 23:28:59,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:59,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:59,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:28:59,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:59,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 23:28:59,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:59,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-28 23:28:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:59,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:59,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:59,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:28:59,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:59,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:28:59,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:59,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:59,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:59,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 23:28:59,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:59,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:59,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:28:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:59,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:59,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:59,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:59,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:59,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:28:59,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:59,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:59,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:59,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:59,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:59,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:59,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-28 23:28:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:59,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:59,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:59,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:59,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:59,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:28:59,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:59,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:59,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:59,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:28:59,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:59,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:59,337 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-28 23:28:59,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [267039267] [2020-10-28 23:28:59,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:28:59,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-10-28 23:28:59,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028114244] [2020-10-28 23:28:59,337 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-28 23:28:59,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:28:59,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-28 23:28:59,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-10-28 23:28:59,338 INFO L87 Difference]: Start difference. First operand 939 states and 1174 transitions. Second operand 24 states. [2020-10-28 23:28:59,512 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-28 23:29:00,214 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:29:00,478 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-28 23:29:02,152 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 23:29:03,627 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-28 23:29:07,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:29:07,517 INFO L93 Difference]: Finished difference Result 2213 states and 2848 transitions. [2020-10-28 23:29:07,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-28 23:29:07,519 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 178 [2020-10-28 23:29:07,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:29:07,528 INFO L225 Difference]: With dead ends: 2213 [2020-10-28 23:29:07,528 INFO L226 Difference]: Without dead ends: 1296 [2020-10-28 23:29:07,536 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 384 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=256, Invalid=1906, Unknown=0, NotChecked=0, Total=2162 [2020-10-28 23:29:07,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2020-10-28 23:29:07,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 963. [2020-10-28 23:29:07,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2020-10-28 23:29:07,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1194 transitions. [2020-10-28 23:29:07,689 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1194 transitions. Word has length 178 [2020-10-28 23:29:07,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:29:07,689 INFO L481 AbstractCegarLoop]: Abstraction has 963 states and 1194 transitions. [2020-10-28 23:29:07,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-28 23:29:07,690 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1194 transitions. [2020-10-28 23:29:07,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-10-28 23:29:07,694 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:29:07,695 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:29:07,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-28 23:29:07,695 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:29:07,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:29:07,696 INFO L82 PathProgramCache]: Analyzing trace with hash 382198017, now seen corresponding path program 1 times [2020-10-28 23:29:07,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:29:07,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1752041609] [2020-10-28 23:29:07,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:29:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:07,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:07,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:07,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:08,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:08,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:08,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:09,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:12,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:12,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 262 [2020-10-28 23:29:12,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 23:29:12,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-28 23:29:12,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:12,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:12,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:29:12,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 205 [2020-10-28 23:29:12,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 23:29:12,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:12,933 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:29:12,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:29:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:12,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:12,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:12,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:12,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:12,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:29:12,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:12,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:12,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:12,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:12,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:12,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:12,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:29:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:12,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:12,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:12,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:29:12,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:12,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:29:12,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:12,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:12,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:12,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:12,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:12,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:12,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:29:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:12,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:12,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:12,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:29:12,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:12,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:29:12,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:12,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:12,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:12,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:12,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:12,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:12,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:29:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:12,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:12,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:12,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:12,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:12,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:12,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:12,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:12,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:12,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:12,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:12,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:13,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 23:29:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:13,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:13,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:13,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:29:13,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:13,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:29:13,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:13,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:13,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:13,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:13,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:13,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:13,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 23:29:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:13,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:13,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:13,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:13,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 23:29:13,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:29:13,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-28 23:29:13,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:13,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:13,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:13,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:13,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:13,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:13,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-28 23:29:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:13,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:13,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:13,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 23:29:13,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:13,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:29:13,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:13,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:13,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:13,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:13,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:13,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:13,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:29:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:13,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:13,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:13,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:29:13,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:13,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:13,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:13,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:13,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:13,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:13,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:13,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:13,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:29:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:13,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:13,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:13,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:29:13,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:13,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:13,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:13,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:13,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:13,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:13,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:13,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:13,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-28 23:29:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:13,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:13,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:13,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:13,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:13,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:13,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:17,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:17,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-28 23:29:17,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 23:29:17,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4062 [2020-10-28 23:29:17,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:17,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:17,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:29:17,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-28 23:29:17,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 23:29:17,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:17,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:29:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:17,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:17,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:17,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:17,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:17,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 23:29:17,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:17,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:17,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:17,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:17,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:17,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:17,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:29:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:17,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:17,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:17,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 23:29:17,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:17,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:29:17,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:17,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:17,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:17,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:17,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:17,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:17,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:29:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:17,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:17,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:17,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 23:29:17,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:17,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:29:17,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:17,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:17,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:17,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:17,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:17,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:17,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:29:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:17,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:17,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:17,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:29:17,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:17,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:29:17,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:17,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:17,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:17,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:17,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:17,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:17,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 23:29:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:17,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:17,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:17,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:17,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:17,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:17,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:17,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:17,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:17,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:17,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:17,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:17,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 23:29:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:17,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:17,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:17,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:17,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:17,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:17,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:17,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:17,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:17,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:17,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:17,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:17,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 23:29:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:17,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:17,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:17,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:29:17,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:17,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:29:17,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:17,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:17,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:17,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:17,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:17,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:17,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:29:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:17,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:17,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:17,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:29:17,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:17,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:17,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:17,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:17,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:17,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:17,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:17,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:17,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 23:29:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:17,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:17,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:17,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:29:17,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:17,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:29:17,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:17,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:17,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:17,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:17,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:17,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:17,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 23:29:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:17,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:17,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:17,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 23:29:17,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:17,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:29:17,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:17,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:17,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:29:17,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 23:29:17,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 23:29:17,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:17,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:29:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:17,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:17,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:17,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 23:29:17,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:17,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:29:17,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:17,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:17,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:29:17,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 23:29:17,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 23:29:17,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:17,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:29:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:17,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:17,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:17,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 23:29:17,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:17,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:29:17,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:17,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:17,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:29:17,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 23:29:17,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 23:29:17,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:17,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-28 23:29:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:17,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:17,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:17,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:29:17,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:17,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:17,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:17,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:17,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:17,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 23:29:17,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:17,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:17,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:29:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:17,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:17,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:17,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:17,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:17,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 23:29:17,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:17,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:17,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:17,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:17,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:17,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:17,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-28 23:29:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:17,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:17,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:17,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:17,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:17,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:17,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:17,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:17,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:17,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:29:17,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:17,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:17,571 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2020-10-28 23:29:17,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1752041609] [2020-10-28 23:29:17,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:29:17,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 23:29:17,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555253402] [2020-10-28 23:29:17,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 23:29:17,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:29:17,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 23:29:17,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-10-28 23:29:17,573 INFO L87 Difference]: Start difference. First operand 963 states and 1194 transitions. Second operand 12 states. [2020-10-28 23:29:17,734 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-28 23:29:18,640 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 23:29:19,753 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-28 23:29:20,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:29:20,755 INFO L93 Difference]: Finished difference Result 1813 states and 2337 transitions. [2020-10-28 23:29:20,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 23:29:20,756 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 202 [2020-10-28 23:29:20,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:29:20,763 INFO L225 Difference]: With dead ends: 1813 [2020-10-28 23:29:20,763 INFO L226 Difference]: Without dead ends: 1284 [2020-10-28 23:29:20,765 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2020-10-28 23:29:20,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2020-10-28 23:29:20,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 967. [2020-10-28 23:29:20,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 967 states. [2020-10-28 23:29:20,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 967 states and 1198 transitions. [2020-10-28 23:29:20,909 INFO L78 Accepts]: Start accepts. Automaton has 967 states and 1198 transitions. Word has length 202 [2020-10-28 23:29:20,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:29:20,912 INFO L481 AbstractCegarLoop]: Abstraction has 967 states and 1198 transitions. [2020-10-28 23:29:20,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 23:29:20,912 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1198 transitions. [2020-10-28 23:29:20,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-28 23:29:20,917 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:29:20,918 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:29:20,918 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-28 23:29:20,918 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:29:20,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:29:20,919 INFO L82 PathProgramCache]: Analyzing trace with hash 970093378, now seen corresponding path program 1 times [2020-10-28 23:29:20,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:29:20,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [223710665] [2020-10-28 23:29:20,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:29:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:21,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:21,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:21,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:21,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:21,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:21,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:22,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:25,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:25,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-10-28 23:29:25,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 23:29:25,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 23:29:25,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:25,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:25,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:29:25,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 181 [2020-10-28 23:29:25,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 23:29:25,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:26,138 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:29:26,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:29:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:26,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:26,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:26,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:26,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:26,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:29:26,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:26,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:26,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:26,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:26,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:26,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:26,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:29:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:26,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:26,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:26,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:29:26,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:26,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:29:26,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:26,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:26,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:26,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:26,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:26,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:26,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:29:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:26,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:26,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:26,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:29:26,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:26,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:26,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:26,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:26,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:26,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:26,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:26,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:26,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:29:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:26,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:26,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:26,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:26,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:26,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:26,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:26,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:26,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:26,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:26,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:26,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:26,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 23:29:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:26,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:26,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:26,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:29:26,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:26,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:29:26,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:26,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:26,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:26,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:26,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:26,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:26,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 23:29:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:26,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:26,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:26,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:26,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 23:29:26,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:29:26,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-28 23:29:26,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:26,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:26,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:26,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:26,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:26,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:26,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-28 23:29:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:26,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:26,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:26,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 23:29:26,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:26,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:29:26,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:26,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:26,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:26,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:26,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:26,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:26,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:29:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:26,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:26,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:26,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:29:26,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:26,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:29:26,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:26,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:26,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:26,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:26,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:26,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:26,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:29:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:26,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:26,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:26,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:29:26,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:26,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:29:26,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:26,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:26,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:26,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:26,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:26,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:26,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-28 23:29:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:26,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:26,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:26,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:26,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:26,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:28,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:28,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 23:29:28,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 23:29:28,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2254 [2020-10-28 23:29:28,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:28,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:28,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:29:28,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-28 23:29:28,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 23:29:28,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:28,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:29:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:28,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:28,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:28,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:28,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:28,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:29:28,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:28,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:28,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:28,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:28,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:28,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:28,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:29:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:28,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:28,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:28,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 23:29:28,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:28,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:29:28,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:28,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:28,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:28,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:28,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:28,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:28,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:29:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:28,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:28,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:28,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 23:29:28,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:28,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:29:28,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:28,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:28,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:28,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:28,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:28,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:28,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:29:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:28,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:28,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:28,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:29:28,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:28,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:28,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:28,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:28,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:28,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:28,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:28,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:28,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 23:29:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:28,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:28,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:28,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:28,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:28,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:28,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:28,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:28,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:28,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:28,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:28,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:28,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 23:29:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:28,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:28,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:28,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:28,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:28,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:28,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:28,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:28,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:28,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:28,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:28,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:28,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 23:29:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:28,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:28,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:28,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:29:28,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:28,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:29:28,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:28,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:28,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:28,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:28,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:28,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:28,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:29:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:28,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:28,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:28,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:29:28,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:28,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:28,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:28,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:28,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:28,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:28,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:28,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:28,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 23:29:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:28,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:28,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:28,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:29:28,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:28,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:29:28,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:28,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:28,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:28,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 23:29:28,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:28,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:28,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 23:29:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:28,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:28,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:28,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 23:29:28,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:28,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:29:28,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:28,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:28,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:28,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-28 23:29:28,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:28,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:28,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:29:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:28,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:28,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:28,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 23:29:28,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:28,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:29:28,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:28,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:28,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:28,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:28,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:28,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:28,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:29:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:28,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:28,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:28,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:29:28,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:28,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:29:28,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:28,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:28,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:28,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:28,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:28,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:28,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-28 23:29:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:28,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:28,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:28,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:29:28,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:28,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:29:28,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:28,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:28,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:28,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 23:29:28,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:28,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:28,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:29:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:28,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:28,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:28,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:28,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:28,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:28,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:28,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:28,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:28,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:28,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:28,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:28,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-28 23:29:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:28,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:28,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:28,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:28,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:28,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:29:28,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:28,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:28,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:28,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:29:28,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:28,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:29,022 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2020-10-28 23:29:29,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [223710665] [2020-10-28 23:29:29,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:29:29,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 23:29:29,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658957386] [2020-10-28 23:29:29,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 23:29:29,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:29:29,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 23:29:29,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-10-28 23:29:29,024 INFO L87 Difference]: Start difference. First operand 967 states and 1198 transitions. Second operand 12 states. [2020-10-28 23:29:29,196 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-28 23:29:30,108 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 23:29:32,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:29:32,098 INFO L93 Difference]: Finished difference Result 2225 states and 2818 transitions. [2020-10-28 23:29:32,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-28 23:29:32,098 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 204 [2020-10-28 23:29:32,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:29:32,105 INFO L225 Difference]: With dead ends: 2225 [2020-10-28 23:29:32,105 INFO L226 Difference]: Without dead ends: 1280 [2020-10-28 23:29:32,108 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2020-10-28 23:29:32,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1280 states. [2020-10-28 23:29:32,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1280 to 955. [2020-10-28 23:29:32,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 955 states. [2020-10-28 23:29:32,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1174 transitions. [2020-10-28 23:29:32,240 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1174 transitions. Word has length 204 [2020-10-28 23:29:32,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:29:32,240 INFO L481 AbstractCegarLoop]: Abstraction has 955 states and 1174 transitions. [2020-10-28 23:29:32,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 23:29:32,240 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1174 transitions. [2020-10-28 23:29:32,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-28 23:29:32,245 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:29:32,246 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:29:32,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-28 23:29:32,246 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:29:32,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:29:32,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1485476478, now seen corresponding path program 1 times [2020-10-28 23:29:32,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:29:32,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [340747833] [2020-10-28 23:29:32,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:29:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:32,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:32,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:32,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:32,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:32,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:33,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:37,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:37,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-10-28 23:29:37,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 23:29:37,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-28 23:29:37,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:37,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:37,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 23:29:37,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 181 [2020-10-28 23:29:37,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 23:29:37,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:37,485 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:29:37,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:29:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:37,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:37,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:37,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:37,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:37,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:29:37,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:37,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:37,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:37,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:37,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:37,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:37,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:29:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:37,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:37,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:37,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:29:37,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:37,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:29:37,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:37,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:37,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:37,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:37,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:37,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:37,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:29:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:37,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:37,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:37,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:29:37,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:37,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:29:37,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:37,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:37,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:37,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:37,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:37,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:37,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:29:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:37,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:37,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:37,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:37,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:37,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:37,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:37,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:37,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:37,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:37,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:37,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:37,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 23:29:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:37,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:37,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:37,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:29:37,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:37,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:29:37,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:37,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:37,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:37,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:37,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:37,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:37,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 23:29:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:37,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:37,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:37,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:37,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 23:29:37,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:29:37,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-10-28 23:29:37,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:37,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:37,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:37,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:37,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:37,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:37,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-28 23:29:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:37,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:37,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:37,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 23:29:37,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:37,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:29:37,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:37,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:37,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:37,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:37,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:37,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:37,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:29:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:37,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:37,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:37,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:29:37,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:37,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:37,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:37,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:37,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:37,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:37,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:37,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:37,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:29:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:37,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:37,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:37,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:29:37,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:37,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:37,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:37,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:37,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:37,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:37,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:37,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:37,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-28 23:29:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:37,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:37,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:38,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:38,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:39,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:39,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 23:29:39,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 23:29:39,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1652 [2020-10-28 23:29:39,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:39,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:39,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 23:29:39,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-28 23:29:39,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 23:29:39,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:39,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:29:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:39,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:39,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:39,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:39,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:39,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:39,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:39,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:39,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:39,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:39,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:39,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:39,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:29:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:39,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:39,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:39,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 23:29:39,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:39,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:29:39,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:39,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:39,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:39,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:39,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:39,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:39,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:29:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:39,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:39,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:39,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 23:29:39,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:39,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:29:39,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:39,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:39,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:39,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:39,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:39,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:39,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:29:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:39,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:39,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:39,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:29:39,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:39,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:39,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:39,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:39,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:39,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:39,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:39,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:39,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 23:29:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:39,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:39,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:39,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:39,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:39,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:39,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:39,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:39,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:39,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:39,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:39,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:39,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 23:29:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:39,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:39,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:39,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:39,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:39,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:39,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:39,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:39,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:39,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:39,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:39,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:39,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 23:29:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:39,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:39,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:39,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:29:39,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:39,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:29:39,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:39,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:39,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:39,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:39,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:39,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:39,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:29:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:39,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:39,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:39,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:29:39,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:39,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:39,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:39,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:39,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:39,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:39,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:39,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:39,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 23:29:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:39,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:39,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:39,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:39,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:29:39,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:29:39,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 23:29:39,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:39,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:39,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 23:29:39,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 23:29:39,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 23:29:39,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:39,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 23:29:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:39,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:39,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:39,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 23:29:39,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:39,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:29:39,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:39,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:39,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:39,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-28 23:29:39,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:39,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:39,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:29:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:39,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:39,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:39,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 23:29:39,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:39,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:29:39,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:39,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:39,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:39,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:39,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:39,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:39,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:29:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:39,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:39,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:39,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:29:39,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:39,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:29:39,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:39,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:39,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:39,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:39,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:39,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:39,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-28 23:29:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:39,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:39,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:39,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:29:39,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:39,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:39,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:39,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:39,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:39,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 23:29:39,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:39,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:39,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:29:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:39,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:39,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:39,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:39,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:39,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:39,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:39,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:39,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:39,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:39,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:39,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:39,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-28 23:29:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:39,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:39,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:39,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:39,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:39,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:39,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:39,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:39,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:39,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:29:39,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:39,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:39,880 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2020-10-28 23:29:39,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [340747833] [2020-10-28 23:29:39,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:29:39,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-28 23:29:39,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056739984] [2020-10-28 23:29:39,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 23:29:39,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:29:39,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 23:29:39,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-10-28 23:29:39,882 INFO L87 Difference]: Start difference. First operand 955 states and 1174 transitions. Second operand 14 states. [2020-10-28 23:29:40,061 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-28 23:29:41,255 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 23:29:42,404 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 23:29:42,697 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-28 23:29:44,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:29:44,115 INFO L93 Difference]: Finished difference Result 2225 states and 2806 transitions. [2020-10-28 23:29:44,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 23:29:44,116 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 204 [2020-10-28 23:29:44,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:29:44,122 INFO L225 Difference]: With dead ends: 2225 [2020-10-28 23:29:44,123 INFO L226 Difference]: Without dead ends: 1268 [2020-10-28 23:29:44,126 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2020-10-28 23:29:44,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2020-10-28 23:29:44,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 959. [2020-10-28 23:29:44,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 959 states. [2020-10-28 23:29:44,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1178 transitions. [2020-10-28 23:29:44,267 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1178 transitions. Word has length 204 [2020-10-28 23:29:44,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:29:44,268 INFO L481 AbstractCegarLoop]: Abstraction has 959 states and 1178 transitions. [2020-10-28 23:29:44,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 23:29:44,268 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1178 transitions. [2020-10-28 23:29:44,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-28 23:29:44,273 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:29:44,273 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:29:44,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-28 23:29:44,274 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:29:44,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:29:44,274 INFO L82 PathProgramCache]: Analyzing trace with hash -2040215704, now seen corresponding path program 1 times [2020-10-28 23:29:44,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:29:44,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1124911229] [2020-10-28 23:29:44,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:29:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:44,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:44,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:44,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:44,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:44,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:45,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:46,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:49,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:49,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-28 23:29:49,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 23:29:49,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-28 23:29:49,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:49,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:49,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 23:29:49,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 181 [2020-10-28 23:29:49,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 23:29:49,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:49,539 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:29:49,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:29:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:49,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:49,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:49,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:49,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:49,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:29:49,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:49,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:49,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:49,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:49,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:49,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:49,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:29:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:49,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:49,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:49,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:29:49,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:49,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:29:49,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:49,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:49,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:49,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:49,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:49,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:49,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:29:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:49,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:49,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:49,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:29:49,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:49,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:29:49,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:49,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:49,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:49,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:49,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:49,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:49,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:29:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:49,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:49,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:49,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:49,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:49,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 23:29:49,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:49,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:49,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:49,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:49,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:49,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:49,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 23:29:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:49,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:49,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:49,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:29:49,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:49,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:29:49,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:49,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:49,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:49,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:49,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:49,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:29:49,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 23:29:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:49,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:49,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:49,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:49,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 23:29:49,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:29:49,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-28 23:29:49,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:49,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:49,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:49,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:49,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:49,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:49,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-28 23:29:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:49,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:49,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:49,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 23:29:49,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:49,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:29:49,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:49,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:49,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:49,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:49,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:49,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:49,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:29:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:49,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:49,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:49,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:29:49,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:49,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:49,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:49,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:49,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:49,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:49,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:49,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:49,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:29:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:49,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:49,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:49,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:29:49,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:49,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:29:49,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:49,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:49,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:49,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:49,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:49,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:49,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-28 23:29:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:49,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:49,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:50,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:50,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:50,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking...