/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 10:21:23,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 10:21:23,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 10:21:23,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 10:21:23,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 10:21:23,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 10:21:23,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 10:21:23,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 10:21:23,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 10:21:23,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 10:21:23,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 10:21:23,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 10:21:23,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 10:21:23,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 10:21:23,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 10:21:23,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 10:21:23,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 10:21:23,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 10:21:23,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 10:21:23,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 10:21:23,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 10:21:23,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 10:21:23,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 10:21:23,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 10:21:23,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 10:21:23,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 10:21:23,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 10:21:23,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 10:21:23,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 10:21:23,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 10:21:23,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 10:21:23,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 10:21:23,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 10:21:23,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 10:21:23,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 10:21:23,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 10:21:23,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 10:21:23,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 10:21:23,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 10:21:23,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 10:21:23,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 10:21:23,544 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-27 10:21:23,601 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 10:21:23,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 10:21:23,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 10:21:23,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 10:21:23,604 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 10:21:23,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 10:21:23,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 10:21:23,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 10:21:23,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 10:21:23,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 10:21:23,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 10:21:23,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 10:21:23,606 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 10:21:23,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 10:21:23,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 10:21:23,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 10:21:23,608 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 10:21:23,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 10:21:23,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 10:21:23,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 10:21:23,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 10:21:23,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 10:21:23,610 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 10:21:23,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 10:21:23,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 10:21:23,610 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 10:21:23,610 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-27 10:21:23,611 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 10:21:24,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 10:21:24,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 10:21:24,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 10:21:24,103 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 10:21:24,104 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 10:21:24,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i [2020-10-27 10:21:24,197 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a1412c9b/7385b0ed1df849319aa703c40449f06c/FLAG8c35ce662 [2020-10-27 10:21:25,119 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 10:21:25,121 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i [2020-10-27 10:21:25,206 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a1412c9b/7385b0ed1df849319aa703c40449f06c/FLAG8c35ce662 [2020-10-27 10:21:25,579 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a1412c9b/7385b0ed1df849319aa703c40449f06c [2020-10-27 10:21:25,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 10:21:25,591 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 10:21:25,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 10:21:25,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 10:21:25,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 10:21:25,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:21:25" (1/1) ... [2020-10-27 10:21:25,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50514290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:25, skipping insertion in model container [2020-10-27 10:21:25,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:21:25" (1/1) ... [2020-10-27 10:21:25,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 10:21:25,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 10:21:26,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 10:21:27,007 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 10:21:27,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 10:21:27,555 INFO L208 MainTranslator]: Completed translation [2020-10-27 10:21:27,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:27 WrapperNode [2020-10-27 10:21:27,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 10:21:27,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 10:21:27,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 10:21:27,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 10:21:27,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:27" (1/1) ... [2020-10-27 10:21:27,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:27" (1/1) ... [2020-10-27 10:21:27,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:27" (1/1) ... [2020-10-27 10:21:27,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:27" (1/1) ... [2020-10-27 10:21:27,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:27" (1/1) ... [2020-10-27 10:21:27,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:27" (1/1) ... [2020-10-27 10:21:27,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:27" (1/1) ... [2020-10-27 10:21:27,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 10:21:27,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 10:21:27,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 10:21:27,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 10:21:27,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:27" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 10:21:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 10:21:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 10:21:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-10-27 10:21:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2020-10-27 10:21:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 10:21:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-27 10:21:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-27 10:21:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-27 10:21:27,890 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-27 10:21:27,890 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-27 10:21:27,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-27 10:21:27,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-27 10:21:27,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2020-10-27 10:21:27,890 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2020-10-27 10:21:27,891 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-10-27 10:21:27,891 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2020-10-27 10:21:27,891 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 10:21:27,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 10:21:27,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-27 10:21:27,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-27 10:21:27,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-27 10:21:27,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-27 10:21:27,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-27 10:21:27,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-27 10:21:27,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-27 10:21:27,892 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-27 10:21:27,892 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-27 10:21:27,893 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_on [2020-10-27 10:21:27,893 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_off [2020-10-27 10:21:27,893 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2020-10-27 10:21:27,893 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ppp [2020-10-27 10:21:27,893 INFO L138 BoogieDeclarations]: Found implementation of procedure get_proto [2020-10-27 10:21:27,893 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_name [2020-10-27 10:21:27,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_type_trans [2020-10-27 10:21:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_hard_header [2020-10-27 10:21:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_tx_flush [2020-10-27 10:21:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_tx_cp [2020-10-27 10:21:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_cp_event [2020-10-27 10:21:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_cp_parse_cr [2020-10-27 10:21:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_rx [2020-10-27 10:21:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_timer [2020-10-27 10:21:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_start [2020-10-27 10:21:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_stop [2020-10-27 10:21:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_close [2020-10-27 10:21:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2020-10-27 10:21:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_init [2020-10-27 10:21:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_exit [2020-10-27 10:21:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2020-10-27 10:21:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hdlc_proto_3 [2020-10-27 10:21:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2020-10-27 10:21:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2020-10-27 10:21:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2020-10-27 10:21:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 10:21:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-27 10:21:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-27 10:21:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-27 10:21:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-27 10:21:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-27 10:21:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_12 [2020-10-27 10:21:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_13 [2020-10-27 10:21:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_14 [2020-10-27 10:21:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_15 [2020-10-27 10:21:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_16 [2020-10-27 10:21:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-27 10:21:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-27 10:21:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-27 10:21:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-27 10:21:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-27 10:21:27,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-27 10:21:27,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-27 10:21:27,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-27 10:21:27,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-27 10:21:27,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-27 10:21:27,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-27 10:21:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-27 10:21:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-27 10:21:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-27 10:21:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-27 10:21:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-27 10:21:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-27 10:21:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-10-27 10:21:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-27 10:21:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-27 10:21:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-27 10:21:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2020-10-27 10:21:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_hdlc_protocol [2020-10-27 10:21:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-10-27 10:21:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2020-10-27 10:21:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_queue_xmit [2020-10-27 10:21:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2020-10-27 10:21:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_open_3 [2020-10-27 10:21:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_3 [2020-10-27 10:21:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_3 [2020-10-27 10:21:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2020-10-27 10:21:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2020-10-27 10:21:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2020-10-27 10:21:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2020-10-27 10:21:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure register_hdlc_protocol [2020-10-27 10:21:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-27 10:21:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-27 10:21:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-27 10:21:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2020-10-27 10:21:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hdlc_protocol [2020-10-27 10:21:27,904 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-27 10:21:27,904 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-27 10:21:27,904 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-27 10:21:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 10:21:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 10:21:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 10:21:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 10:21:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 10:21:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 10:21:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-27 10:21:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-27 10:21:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-27 10:21:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-27 10:21:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-27 10:21:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-27 10:21:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-27 10:21:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-27 10:21:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-27 10:21:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-27 10:21:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-27 10:21:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2020-10-27 10:21:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_16 [2020-10-27 10:21:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2020-10-27 10:21:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_14 [2020-10-27 10:21:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_15 [2020-10-27 10:21:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2020-10-27 10:21:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-27 10:21:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 10:21:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-27 10:21:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-27 10:21:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-10-27 10:21:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-27 10:21:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-27 10:21:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-27 10:21:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-27 10:21:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-27 10:21:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2020-10-27 10:21:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 10:21:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 10:21:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2020-10-27 10:21:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 10:21:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2020-10-27 10:21:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_12 [2020-10-27 10:21:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-27 10:21:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-27 10:21:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-27 10:21:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-10-27 10:21:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 10:21:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 10:21:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2020-10-27 10:21:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_13 [2020-10-27 10:21:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-27 10:21:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-27 10:21:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 10:21:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 10:21:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 10:21:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-27 10:21:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-27 10:21:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 10:21:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 10:21:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 10:21:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-27 10:21:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-27 10:21:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-27 10:21:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-27 10:21:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-27 10:21:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-27 10:21:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-27 10:21:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2020-10-27 10:21:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hdlc_proto_3 [2020-10-27 10:21:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2020-10-27 10:21:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2020-10-27 10:21:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2020-10-27 10:21:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-27 10:21:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure dev_queue_xmit [2020-10-27 10:21:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-10-27 10:21:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-27 10:21:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2020-10-27 10:21:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_on [2020-10-27 10:21:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_off [2020-10-27 10:21:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2020-10-27 10:21:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2020-10-27 10:21:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure register_hdlc_protocol [2020-10-27 10:21:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hdlc_protocol [2020-10-27 10:21:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2020-10-27 10:21:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure attach_hdlc_protocol [2020-10-27 10:21:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2020-10-27 10:21:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure get_ppp [2020-10-27 10:21:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure get_proto [2020-10-27 10:21:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure proto_name [2020-10-27 10:21:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_type_trans [2020-10-27 10:21:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_hard_header [2020-10-27 10:21:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_tx_flush [2020-10-27 10:21:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_tx_cp [2020-10-27 10:21:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-27 10:21:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_cp_event [2020-10-27 10:21:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_cp_parse_cr [2020-10-27 10:21:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_rx [2020-10-27 10:21:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_timer [2020-10-27 10:21:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_start [2020-10-27 10:21:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_stop [2020-10-27 10:21:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_close [2020-10-27 10:21:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-10-27 10:21:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure mod_init [2020-10-27 10:21:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure mod_exit [2020-10-27 10:21:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_3 [2020-10-27 10:21:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-27 10:21:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-27 10:21:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_3 [2020-10-27 10:21:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_open_3 [2020-10-27 10:21:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2020-10-27 10:21:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2020-10-27 10:21:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 10:21:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-27 10:21:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-27 10:21:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-27 10:21:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-27 10:21:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-27 10:21:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-27 10:21:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-27 10:21:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-27 10:21:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-27 10:21:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-27 10:21:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-27 10:21:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-27 10:21:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-27 10:21:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-27 10:21:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 10:21:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 10:21:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 10:21:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 10:21:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 10:21:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-27 10:21:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-27 10:21:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-27 10:21:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-27 10:21:29,361 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-27 10:21:30,875 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 10:21:30,876 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 10:21:30,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:21:30 BoogieIcfgContainer [2020-10-27 10:21:30,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 10:21:30,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 10:21:30,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 10:21:30,886 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 10:21:30,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:21:25" (1/3) ... [2020-10-27 10:21:30,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1ee166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:21:30, skipping insertion in model container [2020-10-27 10:21:30,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:27" (2/3) ... [2020-10-27 10:21:30,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1ee166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:21:30, skipping insertion in model container [2020-10-27 10:21:30,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:21:30" (3/3) ... [2020-10-27 10:21:30,891 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i [2020-10-27 10:21:30,907 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 10:21:30,914 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 10:21:30,928 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 10:21:30,971 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 10:21:30,972 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 10:21:30,972 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 10:21:30,972 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 10:21:30,972 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 10:21:30,972 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 10:21:30,972 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 10:21:30,973 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 10:21:31,010 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states. [2020-10-27 10:21:31,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-27 10:21:31,030 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:21:31,031 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:21:31,032 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:21:31,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:21:31,038 INFO L82 PathProgramCache]: Analyzing trace with hash -1700653052, now seen corresponding path program 1 times [2020-10-27 10:21:31,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:21:31,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2129657810] [2020-10-27 10:21:31,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:21:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:31,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:31,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:32,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:32,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-27 10:21:32,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:21:32,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1448 [2020-10-27 10:21:32,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:32,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 10:21:32,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-27 10:21:32,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-27 10:21:32,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 10:21:33,156 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 10:21:33,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:21:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:33,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:33,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:33,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:21:33,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:33,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 10:21:33,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:33,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:33,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:33,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:33,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:33,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:21:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:33,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:33,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:33,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:21:33,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:33,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:21:33,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:33,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:33,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:33,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:33,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:33,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:21:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:33,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:33,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:33,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:21:33,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:33,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:21:33,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:33,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:33,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:33,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:33,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:33,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:21:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:33,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:33,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:33,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:21:33,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:33,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:21:33,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:33,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:33,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:33,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:33,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:33,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 10:21:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:33,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:33,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:33,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:21:33,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:33,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:21:33,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:33,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:33,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:33,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:33,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:33,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 10:21:33,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:33,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:33,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:33,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:21:33,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:33,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:21:33,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:33,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:33,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:33,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:33,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:33,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 10:21:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:33,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:33,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:33,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 10:21:33,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:33,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 10:21:33,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:33,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:21:33,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:33,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:21:33,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:33,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:21:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:33,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:33,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:33,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:21:33,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:33,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:21:33,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:33,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:21:33,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:33,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 10:21:33,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:33,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 10:21:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:33,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:33,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:33,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 10:21:33,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:33,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:21:33,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:33,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:21:33,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:33,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 10:21:33,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:33,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:21:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:33,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:33,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:33,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:21:33,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:33,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:21:33,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:33,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:33,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:33,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:33,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:33,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 10:21:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:33,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:33,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:33,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:21:33,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:33,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 10:21:33,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:33,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 10:21:33,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:33,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:21:33,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:33,555 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-27 10:21:33,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2129657810] [2020-10-27 10:21:33,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 10:21:33,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 10:21:33,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048049026] [2020-10-27 10:21:33,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 10:21:33,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:21:33,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 10:21:33,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-27 10:21:33,580 INFO L87 Difference]: Start difference. First operand 780 states. Second operand 9 states. [2020-10-27 10:21:33,815 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 10:21:34,180 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-27 10:21:34,566 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-27 10:21:37,161 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 174 [2020-10-27 10:21:37,695 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 10:21:38,076 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 10:21:41,189 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-27 10:21:41,878 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-27 10:21:55,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:21:55,545 INFO L93 Difference]: Finished difference Result 2781 states and 4256 transitions. [2020-10-27 10:21:55,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 10:21:55,551 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-10-27 10:21:55,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:21:55,600 INFO L225 Difference]: With dead ends: 2781 [2020-10-27 10:21:55,600 INFO L226 Difference]: Without dead ends: 1962 [2020-10-27 10:21:55,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2020-10-27 10:21:55,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-10-27 10:21:55,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1584. [2020-10-27 10:21:55,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1584 states. [2020-10-27 10:21:55,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1584 states and 2238 transitions. [2020-10-27 10:21:55,951 INFO L78 Accepts]: Start accepts. Automaton has 1584 states and 2238 transitions. Word has length 70 [2020-10-27 10:21:55,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:21:55,952 INFO L481 AbstractCegarLoop]: Abstraction has 1584 states and 2238 transitions. [2020-10-27 10:21:55,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 10:21:55,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 2238 transitions. [2020-10-27 10:21:55,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-27 10:21:55,968 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:21:55,969 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2020-10-27 10:21:55,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 10:21:55,970 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:21:55,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:21:55,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1943825836, now seen corresponding path program 1 times [2020-10-27 10:21:55,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:21:55,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [471881438] [2020-10-27 10:21:55,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:21:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:56,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:56,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:56,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:56,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:58,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:58,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-27 10:21:58,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 10:21:58,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2521 [2020-10-27 10:21:58,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:58,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:21:58,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-27 10:21:58,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-27 10:21:58,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:58,880 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 10:21:58,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:21:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:58,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:58,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:58,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:21:58,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:58,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-27 10:21:58,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:58,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:58,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:58,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:58,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:59,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:21:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:59,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:59,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:59,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:21:59,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:59,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:21:59,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:59,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:59,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:59,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:59,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:21:59,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:21:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:59,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:59,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:59,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:21:59,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:59,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:21:59,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:59,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:59,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:59,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:59,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:59,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:21:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:59,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:59,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:59,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:21:59,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:59,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:21:59,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:59,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:59,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:59,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:59,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:59,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 10:21:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:59,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:59,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:59,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:21:59,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:59,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:21:59,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:59,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:59,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:59,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:59,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:59,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 10:21:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:59,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:59,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:59,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:21:59,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:59,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:21:59,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:59,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:59,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:59,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:59,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:59,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 10:21:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:59,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:59,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:59,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 10:21:59,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:59,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:21:59,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:59,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:59,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:59,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:59,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:59,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:21:59,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:59,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:59,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:59,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:21:59,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:59,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:21:59,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:59,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:59,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:59,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:59,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:59,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 10:21:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:59,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:59,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:59,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:59,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-27 10:21:59,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:21:59,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-27 10:21:59,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:59,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:21:59,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:59,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 10:21:59,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:59,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:21:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:59,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:59,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:59,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:59,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 10:21:59,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:21:59,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-27 10:21:59,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:59,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:59,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:59,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:59,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:59,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:21:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:59,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:59,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:59,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:59,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 10:21:59,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:21:59,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-27 10:21:59,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:59,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:59,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:59,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:59,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:59,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:21:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:59,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:59,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:59,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:59,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 10:21:59,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:21:59,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-27 10:21:59,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:59,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:59,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:59,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:59,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 10:21:59,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:21:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:59,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:59,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:59,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:21:59,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:59,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:21:59,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:59,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:59,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:59,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:59,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:59,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 10:21:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:59,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:59,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:59,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 10:21:59,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:59,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:21:59,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:59,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:59,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:59,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:59,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:59,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 10:21:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:59,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:59,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:59,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 10:21:59,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:59,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:21:59,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:59,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:59,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-27 10:21:59,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:59,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:59,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:21:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:59,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:59,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:59,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:21:59,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:59,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:21:59,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:59,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:59,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:59,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:59,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:59,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 10:21:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:59,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:59,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:59,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:21:59,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:59,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:21:59,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:59,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:59,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:21:59,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:59,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:59,807 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-10-27 10:21:59,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [471881438] [2020-10-27 10:21:59,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 10:21:59,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 10:21:59,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726362769] [2020-10-27 10:21:59,810 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 10:21:59,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:21:59,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 10:21:59,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-27 10:21:59,811 INFO L87 Difference]: Start difference. First operand 1584 states and 2238 transitions. Second operand 8 states. [2020-10-27 10:22:00,039 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 10:22:00,333 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-27 10:22:00,639 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-27 10:22:15,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:22:15,999 INFO L93 Difference]: Finished difference Result 3774 states and 5678 transitions. [2020-10-27 10:22:15,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 10:22:16,000 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 117 [2020-10-27 10:22:16,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:22:16,038 INFO L225 Difference]: With dead ends: 3774 [2020-10-27 10:22:16,038 INFO L226 Difference]: Without dead ends: 3753 [2020-10-27 10:22:16,043 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-27 10:22:16,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3753 states. [2020-10-27 10:22:16,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3753 to 3063. [2020-10-27 10:22:16,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3063 states. [2020-10-27 10:22:16,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3063 states to 3063 states and 4356 transitions. [2020-10-27 10:22:16,523 INFO L78 Accepts]: Start accepts. Automaton has 3063 states and 4356 transitions. Word has length 117 [2020-10-27 10:22:16,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:22:16,526 INFO L481 AbstractCegarLoop]: Abstraction has 3063 states and 4356 transitions. [2020-10-27 10:22:16,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 10:22:16,526 INFO L276 IsEmpty]: Start isEmpty. Operand 3063 states and 4356 transitions. [2020-10-27 10:22:16,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-27 10:22:16,538 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:22:16,538 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:22:16,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 10:22:16,539 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:22:16,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:22:16,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1663561906, now seen corresponding path program 1 times [2020-10-27 10:22:16,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:22:16,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [123707539] [2020-10-27 10:22:16,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:22:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:16,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:16,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:16,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:17,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:18,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:21,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:21,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-27 10:22:21,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 10:22:21,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-27 10:22:21,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:21,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:22:21,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-27 10:22:21,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:22:21,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:22:21,930 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 10:22:21,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:22:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:21,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:21,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:21,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:22:21,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:21,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 10:22:21,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:21,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:21,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:21,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:21,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:22,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:22:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:22,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:22,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:22,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:22:22,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:22,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:22:22,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:22,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:22,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:22,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:22,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:22,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:22:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:22,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:22,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:22,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:22:22,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:22,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:22:22,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:22,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:22,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:22,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:22,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:22,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:22:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:22,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:22,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:22,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:22:22,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:22,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:22:22,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:22,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:22,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:22,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:22,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:22,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 10:22:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:22,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:22,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:22,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:22:22,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:22,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:22:22,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:22,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:22,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:22,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:22,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:22,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 10:22:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:22,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:22,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:22,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:22:22,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:22,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:22:22,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:22,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:22,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:22,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:22,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:22,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 10:22:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:22,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:22,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:22,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 10:22:22,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:22,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:22:22,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:22,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:22,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:22,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:22,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:22,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:22:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:22,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:22,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:22,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:22:22,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:22,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:22:22,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:22,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:22,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:22,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:22,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:22,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 10:22:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:22,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:22,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:22,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:22,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-27 10:22:22,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:22:22,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 10:22:22,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:22,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 10:22:22,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 10:22:22,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:22:22,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:22,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:22:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:22,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:22,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:22,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 10:22:22,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:22,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-27 10:22:22,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:22,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 10:22:22,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 10:22:22,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:22:22,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:22,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:22:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:22,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:22,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:22,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 10:22:22,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:22,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-27 10:22:22,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:22,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 10:22:22,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 10:22:22,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:22:22,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:22,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:22:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:22,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:22,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:22,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 10:22:22,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:22,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 10:22:22,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:22,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 10:22:22,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 10:22:22,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:22:22,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:22,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:22:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:22,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:22,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:22,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:22:22,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:22,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 10:22:22,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:22,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 10:22:22,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:22,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:22:22,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:22,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 10:22:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:22,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:22,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:22,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 10:22:22,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:22,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:22:22,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:22,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:22,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 10:22:22,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:22,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:22,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 10:22:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:22,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:22,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:22,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 10:22:22,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:22,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 10:22:22,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:22,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:22,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-27 10:22:22,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:22,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:22,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:22:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:22,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:22,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:22,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 10:22:22,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:22,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 10:22:22,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:22,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:22,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:22,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:22,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:22,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:22:22,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:22,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:22,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:22,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:22:22,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:22,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:22:22,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:22,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:22,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:22,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:22,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:22,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:22:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:22,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:22,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:22,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:22:22,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:22,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:22:22,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:22,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:22,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:22,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:22,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:22,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 10:22:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:22,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:22,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:22,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:22:22,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:22,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:22:22,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:22,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:22,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:22,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:22,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:22,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:22:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:22,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:22,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:22,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:22:22,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:22,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:22:22,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:22,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:22,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:22,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:22,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:22,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 10:22:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:22,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:22,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:22,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:22:22,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:22,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:22:22,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:22,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:22,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:22:22,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:22,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:22,863 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-10-27 10:22:22,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [123707539] [2020-10-27 10:22:22,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 10:22:22,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 10:22:22,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671386492] [2020-10-27 10:22:22,865 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 10:22:22,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:22:22,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 10:22:22,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-27 10:22:22,867 INFO L87 Difference]: Start difference. First operand 3063 states and 4356 transitions. Second operand 13 states. [2020-10-27 10:22:23,117 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 10:22:23,594 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-27 10:22:23,905 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-27 10:22:24,239 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-27 10:22:25,964 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-27 10:22:28,424 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 10:22:28,770 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 10:22:29,713 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-27 10:22:30,019 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-27 10:22:43,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:22:43,295 INFO L93 Difference]: Finished difference Result 8692 states and 13290 transitions. [2020-10-27 10:22:43,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 10:22:43,295 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 139 [2020-10-27 10:22:43,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:22:43,344 INFO L225 Difference]: With dead ends: 8692 [2020-10-27 10:22:43,345 INFO L226 Difference]: Without dead ends: 5653 [2020-10-27 10:22:43,401 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=197, Invalid=559, Unknown=0, NotChecked=0, Total=756 [2020-10-27 10:22:43,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5653 states. [2020-10-27 10:22:44,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5653 to 4819. [2020-10-27 10:22:44,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4819 states. [2020-10-27 10:22:44,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4819 states to 4819 states and 6707 transitions. [2020-10-27 10:22:44,097 INFO L78 Accepts]: Start accepts. Automaton has 4819 states and 6707 transitions. Word has length 139 [2020-10-27 10:22:44,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:22:44,097 INFO L481 AbstractCegarLoop]: Abstraction has 4819 states and 6707 transitions. [2020-10-27 10:22:44,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 10:22:44,098 INFO L276 IsEmpty]: Start isEmpty. Operand 4819 states and 6707 transitions. [2020-10-27 10:22:44,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-27 10:22:44,113 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:22:44,114 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 3, 3, 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] [2020-10-27 10:22:44,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 10:22:44,114 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:22:44,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:22:44,115 INFO L82 PathProgramCache]: Analyzing trace with hash 205529482, now seen corresponding path program 1 times [2020-10-27 10:22:44,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:22:44,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [707736553] [2020-10-27 10:22:44,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:22:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:44,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:44,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:49,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:49,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-27 10:22:49,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:22:49,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-27 10:22:49,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:49,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:22:49,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-27 10:22:49,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-27 10:22:49,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:49,539 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 10:22:49,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:22:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:49,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:49,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:49,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:22:49,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:49,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 10:22:49,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:49,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:49,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:49,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:49,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:49,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:22:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:49,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:49,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:49,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:22:49,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:49,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:22:49,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:49,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:49,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:49,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:49,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:49,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:22:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:49,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:49,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:49,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:22:49,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:49,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:22:49,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:49,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:49,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:49,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:49,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:49,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:22:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:49,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:49,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:49,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:22:49,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:49,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:22:49,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:49,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:49,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:49,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:49,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:49,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 10:22:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:49,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:49,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:49,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:22:49,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:49,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:22:49,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:49,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:49,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:49,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:49,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:49,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 10:22:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:49,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:49,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:49,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:22:49,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:49,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:22:49,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:49,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:49,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:49,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:49,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:49,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 10:22:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:49,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:49,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:49,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 10:22:49,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:49,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:22:49,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:49,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:49,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:49,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:49,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:49,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:22:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:49,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:49,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:49,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:22:49,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:49,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:22:49,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:49,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:49,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:49,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:49,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:49,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 10:22:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:49,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:49,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:49,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 10:22:49,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:49,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 10:22:49,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:49,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:49,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:49,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:49,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:49,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:22:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:49,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:49,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:49,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 10:22:49,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:49,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:22:49,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:49,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:49,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:49,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:49,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:49,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:22:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:49,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:49,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:49,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:22:49,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:49,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:22:49,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:49,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:49,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:49,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:49,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:49,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:22:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:49,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:49,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:49,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:22:49,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:49,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:22:49,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:49,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:49,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:49,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:49,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:49,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 10:22:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:49,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:49,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:49,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:22:49,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:49,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:22:49,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:49,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:49,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:49,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:49,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:49,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:22:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:49,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:49,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:49,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:22:49,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:49,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:22:49,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:49,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:49,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:49,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:49,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:49,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 10:22:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:49,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:49,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:49,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 10:22:49,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:49,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 10:22:49,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:49,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:22:49,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:49,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 10:22:49,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:49,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:22:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:49,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:49,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:49,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:22:49,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:49,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:22:49,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:49,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:49,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:49,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:49,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:49,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 10:22:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:49,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:49,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:49,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:22:49,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:49,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:22:49,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:49,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:49,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:49,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:49,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:49,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 10:22:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:49,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:50,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:50,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:50,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 10:22:50,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:22:50,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 446 [2020-10-27 10:22:50,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:50,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 10:22:50,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-27 10:22:50,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 10:22:50,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:50,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:22:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:50,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:50,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:50,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 10:22:50,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:50,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 294 [2020-10-27 10:22:50,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:50,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 10:22:50,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-27 10:22:50,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 10:22:50,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:50,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:22:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:50,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:51,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:51,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 10:22:51,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:51,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 283 [2020-10-27 10:22:51,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:51,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 10:22:51,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:51,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 10:22:51,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:51,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:22:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:51,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:51,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:51,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 10:22:51,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:51,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-10-27 10:22:51,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:51,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 10:22:51,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:51,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 10:22:51,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:51,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:22:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:51,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:51,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:51,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 10:22:51,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:51,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-27 10:22:51,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:51,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 10:22:51,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:51,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 10:22:51,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:51,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 10:22:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:51,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:51,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:51,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:22:51,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:51,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:22:51,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:51,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:51,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:51,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:51,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:51,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 10:22:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:51,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:51,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:51,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:22:51,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:51,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:22:51,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:51,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 10:22:51,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:51,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 10:22:51,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:52,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 10:22:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:52,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:52,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:52,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 10:22:52,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:52,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 10:22:52,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:52,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:22:52,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:52,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 10:22:52,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:52,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-27 10:22:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:52,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:52,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:52,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 10:22:52,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:52,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:22:52,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:52,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:52,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-27 10:22:52,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:52,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:52,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:22:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:52,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:52,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:52,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:22:52,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:52,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:22:52,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:52,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:52,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:52,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:52,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:52,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-27 10:22:52,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:52,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:52,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:52,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:22:52,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:52,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:22:52,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:52,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:52,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:22:52,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:52,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:52,185 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-27 10:22:52,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [707736553] [2020-10-27 10:22:52,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 10:22:52,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-10-27 10:22:52,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576746790] [2020-10-27 10:22:52,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-27 10:22:52,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:22:52,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-27 10:22:52,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-10-27 10:22:52,188 INFO L87 Difference]: Start difference. First operand 4819 states and 6707 transitions. Second operand 23 states. [2020-10-27 10:22:52,443 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 10:22:52,968 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-27 10:22:53,428 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-27 10:22:53,884 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-27 10:22:54,224 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2020-10-27 10:23:00,701 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-10-27 10:23:01,121 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-27 10:23:02,801 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-27 10:23:04,337 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-27 10:23:28,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:23:28,480 INFO L93 Difference]: Finished difference Result 13730 states and 20749 transitions. [2020-10-27 10:23:28,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-27 10:23:28,484 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 180 [2020-10-27 10:23:28,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:23:28,559 INFO L225 Difference]: With dead ends: 13730 [2020-10-27 10:23:28,559 INFO L226 Difference]: Without dead ends: 8935 [2020-10-27 10:23:28,614 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1148 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=473, Invalid=4083, Unknown=0, NotChecked=0, Total=4556 [2020-10-27 10:23:28,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8935 states. [2020-10-27 10:23:29,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8935 to 7607. [2020-10-27 10:23:29,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7607 states. [2020-10-27 10:23:29,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7607 states to 7607 states and 10575 transitions. [2020-10-27 10:23:29,713 INFO L78 Accepts]: Start accepts. Automaton has 7607 states and 10575 transitions. Word has length 180 [2020-10-27 10:23:29,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:23:29,713 INFO L481 AbstractCegarLoop]: Abstraction has 7607 states and 10575 transitions. [2020-10-27 10:23:29,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-27 10:23:29,713 INFO L276 IsEmpty]: Start isEmpty. Operand 7607 states and 10575 transitions. [2020-10-27 10:23:29,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-27 10:23:29,741 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:23:29,741 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:23:29,742 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 10:23:29,742 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:23:29,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:23:29,742 INFO L82 PathProgramCache]: Analyzing trace with hash 465133350, now seen corresponding path program 1 times [2020-10-27 10:23:29,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:23:29,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1370024022] [2020-10-27 10:23:29,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:23:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:29,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:29,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:30,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:30,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:32,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:32,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:34,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:34,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-10-27 10:23:34,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 10:23:34,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5061 [2020-10-27 10:23:34,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:34,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 10:23:34,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 113 [2020-10-27 10:23:34,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 10:23:34,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:35,146 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 10:23:35,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:23:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:35,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:35,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:35,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:23:35,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:35,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 10:23:35,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:35,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:35,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:35,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:35,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:35,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:23:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:35,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:35,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:35,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:23:35,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:35,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:23:35,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:35,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:35,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:35,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:35,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:35,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:23:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:35,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:35,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:35,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:23:35,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:35,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:23:35,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:35,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:35,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:35,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:35,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:35,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:23:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:35,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:35,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:35,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:23:35,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:35,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:23:35,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:35,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:35,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:35,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:35,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:35,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 10:23:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:35,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:35,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:35,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:23:35,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:35,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:23:35,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:35,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:35,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:35,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:35,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:35,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 10:23:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:35,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:35,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:35,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:23:35,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:35,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:23:35,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:35,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:35,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:35,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:35,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:35,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 10:23:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:35,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:35,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:35,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 10:23:35,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:35,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:23:35,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:35,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:35,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:35,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:35,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:35,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:23:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:35,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:35,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:35,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:23:35,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:35,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:23:35,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:35,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:35,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:35,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:35,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:35,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 10:23:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:35,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:35,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:35,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:35,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:35,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:36,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:37,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:37,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-27 10:23:37,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 10:23:37,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2448 [2020-10-27 10:23:37,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:37,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 10:23:37,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-27 10:23:37,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 10:23:37,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:37,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:23:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:37,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:37,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:38,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:38,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:38,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:38,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:40,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:40,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-27 10:23:40,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 10:23:40,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2164 [2020-10-27 10:23:40,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:40,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 10:23:40,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 10:23:40,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 10:23:40,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:40,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:23:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:40,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:40,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:40,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:40,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:40,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:40,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:42,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:42,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-27 10:23:42,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 10:23:42,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2111 [2020-10-27 10:23:42,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:42,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 10:23:42,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-27 10:23:42,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 10:23:42,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:42,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:23:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:42,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:42,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:42,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 10:23:42,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:42,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:23:42,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:42,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:42,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:42,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:42,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:42,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:23:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:42,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:42,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:42,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 10:23:42,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:42,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:23:42,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:42,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:42,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:42,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:42,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:42,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:23:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:42,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:42,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:42,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:23:42,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:42,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:23:42,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:42,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:42,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:42,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:42,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:42,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 10:23:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:42,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:42,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:42,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:23:42,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:42,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:23:42,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:42,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:42,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:42,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:42,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:42,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 10:23:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:42,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:42,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:42,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:23:42,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:42,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:23:42,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:42,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:42,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:42,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:42,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:42,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 10:23:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:42,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:42,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:42,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 10:23:42,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:42,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:23:42,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:42,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:42,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 10:23:42,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:42,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:42,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:23:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:42,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:42,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:42,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:23:42,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:42,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:23:42,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:42,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:42,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:42,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:42,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:42,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 10:23:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:42,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:42,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:42,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 10:23:42,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:42,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 10:23:42,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:42,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:42,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-27 10:23:42,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:42,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:42,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:23:42,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:42,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:42,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:42,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 10:23:42,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:42,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 10:23:42,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:42,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:42,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:42,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:42,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:42,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:23:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:42,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:42,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:42,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 10:23:42,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:42,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 10:23:42,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:42,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:42,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:42,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:42,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:42,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:23:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:42,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:42,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:42,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 10:23:42,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:42,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 10:23:42,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:42,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:42,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:42,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:42,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:42,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 10:23:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:42,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:42,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:42,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:23:42,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:42,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 10:23:42,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:42,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:42,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:42,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:42,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:42,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 10:23:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:42,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:42,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:42,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:23:42,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:42,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:23:42,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:42,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:42,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:42,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:42,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:42,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 10:23:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:42,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:42,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:42,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 10:23:42,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:42,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:23:42,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:42,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:42,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:42,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:42,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:42,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 10:23:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:42,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:42,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:42,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:23:42,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:42,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:23:42,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:42,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:42,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:42,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:42,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:42,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 10:23:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:42,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:42,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:42,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 10:23:42,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:42,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:23:42,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:42,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:42,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:42,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:42,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:42,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:23:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:42,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:42,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:42,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 10:23:42,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:42,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:23:42,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:42,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:42,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:42,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:42,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:42,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:23:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:42,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:42,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:42,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:23:42,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:42,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:23:42,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:42,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:42,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:42,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:42,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:42,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-27 10:23:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:42,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:42,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:42,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 10:23:42,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:42,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 10:23:42,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:42,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:42,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-27 10:23:42,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:42,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:42,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:23:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:42,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:42,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:42,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 10:23:42,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:42,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:23:42,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:42,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:42,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:42,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:42,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:42,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:23:42,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:42,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:42,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:42,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:23:42,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:42,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:23:42,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:42,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:42,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:42,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:42,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:42,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:23:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:42,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:42,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:42,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:23:42,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:42,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:23:42,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:42,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:42,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:42,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:42,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:23:43,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 10:23:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:43,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:43,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:43,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:23:43,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:43,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:23:43,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:43,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:43,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:43,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:23:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:43,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:43,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:43,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:23:43,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:43,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:23:43,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:43,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:43,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:43,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:43,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:43,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-27 10:23:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:43,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:43,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:43,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:23:43,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:43,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:23:43,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:43,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:43,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:23:43,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:43,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:43,124 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-10-27 10:23:43,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1370024022] [2020-10-27 10:23:43,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 10:23:43,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-27 10:23:43,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863213005] [2020-10-27 10:23:43,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 10:23:43,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:23:43,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 10:23:43,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2020-10-27 10:23:43,127 INFO L87 Difference]: Start difference. First operand 7607 states and 10575 transitions. Second operand 16 states. [2020-10-27 10:23:43,386 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 10:23:45,419 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-27 10:23:45,729 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2020-10-27 10:23:46,005 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-27 10:23:46,304 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-27 10:23:46,607 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-27 10:23:46,915 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-27 10:23:58,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:23:58,945 INFO L93 Difference]: Finished difference Result 16755 states and 23943 transitions. [2020-10-27 10:23:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 10:23:58,946 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 214 [2020-10-27 10:23:58,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:23:59,015 INFO L225 Difference]: With dead ends: 16755 [2020-10-27 10:23:59,015 INFO L226 Difference]: Without dead ends: 9172 [2020-10-27 10:23:59,052 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=188, Invalid=364, Unknown=0, NotChecked=0, Total=552 [2020-10-27 10:23:59,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9172 states. [2020-10-27 10:24:00,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9172 to 7739. [2020-10-27 10:24:00,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7739 states. [2020-10-27 10:24:00,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7739 states to 7739 states and 10743 transitions. [2020-10-27 10:24:00,166 INFO L78 Accepts]: Start accepts. Automaton has 7739 states and 10743 transitions. Word has length 214 [2020-10-27 10:24:00,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:24:00,167 INFO L481 AbstractCegarLoop]: Abstraction has 7739 states and 10743 transitions. [2020-10-27 10:24:00,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 10:24:00,167 INFO L276 IsEmpty]: Start isEmpty. Operand 7739 states and 10743 transitions. [2020-10-27 10:24:00,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-27 10:24:00,194 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:24:00,195 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:24:00,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 10:24:00,195 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:24:00,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:24:00,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1685815097, now seen corresponding path program 1 times [2020-10-27 10:24:00,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:24:00,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1726662563] [2020-10-27 10:24:00,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:24:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:00,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:00,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:00,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:01,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:02,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:03,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:05,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:05,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-10-27 10:24:05,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 10:24:05,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-27 10:24:05,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:05,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 10:24:05,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-27 10:24:05,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:24:05,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:05,665 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 10:24:05,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:24:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:05,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:05,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:05,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:05,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:05,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 10:24:05,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:05,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:05,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:05,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:05,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:24:05,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:24:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:05,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:05,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:05,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:05,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:05,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:24:05,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:05,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:05,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:05,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:05,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:05,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:24:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:05,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:05,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:05,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:05,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:05,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:24:05,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:05,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:05,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:05,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:05,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:24:05,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:24:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:05,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:05,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:05,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:05,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:05,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:24:05,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:05,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:05,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:05,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:05,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:24:05,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 10:24:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:05,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:05,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:05,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:05,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:05,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:24:05,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:05,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:05,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:05,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:05,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:24:05,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 10:24:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:05,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:05,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:05,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:05,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:05,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:24:05,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:05,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:05,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:05,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:05,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:24:05,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 10:24:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:05,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:05,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:05,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 10:24:05,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:05,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:24:05,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:05,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:05,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:05,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:05,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:24:05,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:24:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:05,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:05,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:05,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:05,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:05,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:24:05,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:05,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:05,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:05,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:05,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:24:05,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 10:24:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:05,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:06,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:06,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:06,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:06,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:06,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-27 10:24:06,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 10:24:06,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 708 [2020-10-27 10:24:06,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:06,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 10:24:06,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-27 10:24:06,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:24:06,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:24:06,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:06,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:06,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:06,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:07,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:07,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:07,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-27 10:24:07,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 10:24:07,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1040 [2020-10-27 10:24:07,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:07,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 10:24:07,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 10:24:07,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 10:24:07,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:07,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:07,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:07,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:07,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-27 10:24:08,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 10:24:08,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 578 [2020-10-27 10:24:08,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 10:24:08,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-27 10:24:08,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 10:24:08,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 10:24:08,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:24:08,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 10:24:08,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:24:08,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:08,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:08,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 10:24:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:08,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:08,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 10:24:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:08,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:08,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 10:24:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 10:24:08,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:24:08,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 10:24:08,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:08,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:08,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:24:08,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 10:24:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 10:24:08,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 10:24:08,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-27 10:24:08,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 10:24:08,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 10:24:08,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 10:24:08,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 10:24:08,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 10:24:08,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:24:08,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 10:24:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:08,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:08,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 10:24:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:08,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:08,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:24:08,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 10:24:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 10:24:08,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:24:08,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 10:24:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:08,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:24:08,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 10:24:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 10:24:08,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:24:08,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 10:24:08,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:24:08,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:08,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:08,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-27 10:24:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 10:24:08,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 10:24:08,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-27 10:24:08,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:24:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 10:24:08,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:24:08,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:08,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:08,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:24:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:08,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:08,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 10:24:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:08,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:24:08,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:09,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:24:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:09,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:09,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:09,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:09,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:09,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:24:09,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:09,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:09,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:09,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:09,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:09,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-27 10:24:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:09,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:09,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:09,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:09,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:09,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:24:09,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:09,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:09,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:24:09,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:09,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:09,088 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-10-27 10:24:09,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1726662563] [2020-10-27 10:24:09,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 10:24:09,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 10:24:09,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664490684] [2020-10-27 10:24:09,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 10:24:09,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:24:09,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 10:24:09,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-10-27 10:24:09,091 INFO L87 Difference]: Start difference. First operand 7739 states and 10743 transitions. Second operand 13 states. [2020-10-27 10:24:09,341 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 10:24:11,191 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-27 10:24:21,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:24:21,852 INFO L93 Difference]: Finished difference Result 16767 states and 23883 transitions. [2020-10-27 10:24:21,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 10:24:21,854 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 214 [2020-10-27 10:24:21,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:24:21,912 INFO L225 Difference]: With dead ends: 16767 [2020-10-27 10:24:21,912 INFO L226 Difference]: Without dead ends: 9052 [2020-10-27 10:24:21,947 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2020-10-27 10:24:21,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9052 states. [2020-10-27 10:24:22,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9052 to 7679. [2020-10-27 10:24:22,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7679 states. [2020-10-27 10:24:22,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7679 states to 7679 states and 10647 transitions. [2020-10-27 10:24:22,937 INFO L78 Accepts]: Start accepts. Automaton has 7679 states and 10647 transitions. Word has length 214 [2020-10-27 10:24:22,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:24:22,937 INFO L481 AbstractCegarLoop]: Abstraction has 7679 states and 10647 transitions. [2020-10-27 10:24:22,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 10:24:22,938 INFO L276 IsEmpty]: Start isEmpty. Operand 7679 states and 10647 transitions. [2020-10-27 10:24:22,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-27 10:24:22,961 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:24:22,961 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:24:22,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 10:24:22,962 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:24:22,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:24:22,962 INFO L82 PathProgramCache]: Analyzing trace with hash -734418398, now seen corresponding path program 1 times [2020-10-27 10:24:22,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:24:22,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [157037957] [2020-10-27 10:24:22,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:24:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:23,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:23,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:23,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:23,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-10-27 10:24:23,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:24:23,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 646 [2020-10-27 10:24:23,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:23,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 10:24:23,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 270 [2020-10-27 10:24:23,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:24:23,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:23,989 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 10:24:23,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:24:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:24,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-27 10:24:24,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:24:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:24,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:24,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:24:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:24,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:24,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:24:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:24,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:24:24,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 10:24:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:24,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:24:24,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 10:24:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:24,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:24,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 10:24:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 10:24:24,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:24:24,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:24:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:24,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 10:24:24,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 10:24:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-27 10:24:24,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 10:24:24,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-27 10:24:24,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 10:24:24,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-27 10:24:24,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 10:24:24,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 10:24:24,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:24,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 10:24:24,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:24,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:24,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:24,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 10:24:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:24,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:24,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 10:24:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:24,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 10:24:24,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 10:24:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 10:24:24,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 10:24:24,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:24,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 10:24:24,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 10:24:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 10:24:24,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 10:24:24,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 10:24:24,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 10:24:24,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 10:24:24,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 10:24:24,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 10:24:24,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:24:24,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 10:24:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:24,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:24,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 10:24:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:24,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 10:24:24,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 10:24:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 10:24:24,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 10:24:24,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 10:24:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:24,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:24,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 10:24:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 10:24:24,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:24:24,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 10:24:24,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:24:24,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:24,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:24,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-27 10:24:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 10:24:24,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 10:24:24,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 10:24:24,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-27 10:24:24,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:24:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 10:24:24,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:24:24,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:24,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 10:24:24,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:24:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:24,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:24,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 10:24:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:24,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:24:24,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:24:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:24,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 10:24:24,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:24,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-27 10:24:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:24,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:24,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:24,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:24,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:24,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:24,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:24,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:24,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:24:24,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:24,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:24,991 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2020-10-27 10:24:24,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [157037957] [2020-10-27 10:24:24,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 10:24:24,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-27 10:24:24,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670247917] [2020-10-27 10:24:24,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 10:24:24,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:24:24,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 10:24:24,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-27 10:24:24,994 INFO L87 Difference]: Start difference. First operand 7679 states and 10647 transitions. Second operand 15 states. [2020-10-27 10:24:25,372 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 10:24:25,802 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-27 10:24:26,167 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-27 10:24:40,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:24:40,850 INFO L93 Difference]: Finished difference Result 16593 states and 23494 transitions. [2020-10-27 10:24:40,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 10:24:40,851 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 214 [2020-10-27 10:24:40,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:24:40,913 INFO L225 Difference]: With dead ends: 16593 [2020-10-27 10:24:40,913 INFO L226 Difference]: Without dead ends: 8938 [2020-10-27 10:24:40,948 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=180, Invalid=522, Unknown=0, NotChecked=0, Total=702 [2020-10-27 10:24:40,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8938 states. [2020-10-27 10:24:41,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8938 to 7665. [2020-10-27 10:24:41,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7665 states. [2020-10-27 10:24:41,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7665 states to 7665 states and 10623 transitions. [2020-10-27 10:24:41,966 INFO L78 Accepts]: Start accepts. Automaton has 7665 states and 10623 transitions. Word has length 214 [2020-10-27 10:24:41,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:24:41,967 INFO L481 AbstractCegarLoop]: Abstraction has 7665 states and 10623 transitions. [2020-10-27 10:24:41,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 10:24:41,967 INFO L276 IsEmpty]: Start isEmpty. Operand 7665 states and 10623 transitions. [2020-10-27 10:24:42,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-10-27 10:24:42,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:24:42,004 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:24:42,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 10:24:42,005 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:24:42,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:24:42,005 INFO L82 PathProgramCache]: Analyzing trace with hash 191914772, now seen corresponding path program 1 times [2020-10-27 10:24:42,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:24:42,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1417807377] [2020-10-27 10:24:42,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:24:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:42,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:42,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:42,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:43,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:44,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:47,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:47,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 378 [2020-10-27 10:24:47,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 10:24:47,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5062 [2020-10-27 10:24:47,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:47,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:24:47,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 156 [2020-10-27 10:24:47,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 10:24:47,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:47,416 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 10:24:47,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:24:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:47,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:47,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:47,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:47,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:47,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 10:24:47,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:47,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:47,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:47,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:47,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:47,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:24:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:47,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:47,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:47,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:47,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:47,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:47,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:47,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:47,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:47,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:47,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:47,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:24:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:47,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:47,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:47,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:47,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:47,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:47,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:47,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:47,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:47,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:47,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:47,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:24:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:47,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:47,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:47,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:47,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:47,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:47,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:47,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:47,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:47,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:47,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:47,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 10:24:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:47,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:47,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:47,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:47,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:47,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:47,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:47,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:47,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:47,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:47,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:47,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 10:24:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:47,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:47,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:47,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:47,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:47,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:47,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:47,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:47,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:47,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:47,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:47,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 10:24:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:47,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:47,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:47,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 10:24:47,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:47,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:24:47,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:47,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:47,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:47,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:47,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:47,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:24:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:47,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:47,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:47,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:47,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:47,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 10:24:47,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:47,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:47,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:47,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:47,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:47,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 10:24:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:47,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:47,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:47,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 10:24:47,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:47,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:24:47,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:47,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:47,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:47,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:47,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:47,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:24:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:47,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:47,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:47,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 10:24:47,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:47,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:24:47,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:47,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:47,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:47,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:47,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:47,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:47,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:47,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:47,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:47,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:47,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:47,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:47,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:47,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:47,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:47,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:47,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:24:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:47,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:47,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:47,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:47,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:47,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:47,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:47,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:47,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:47,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:47,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:47,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 10:24:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:47,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:47,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:47,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:47,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:47,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:24:47,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:47,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:47,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:47,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:47,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:47,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:24:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:47,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:47,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:47,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:47,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:47,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 10:24:47,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:47,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:47,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:47,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:47,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:47,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 10:24:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:47,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:47,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:47,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 10:24:47,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:47,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 10:24:47,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:47,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:47,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:47,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:47,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:47,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:47,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:47,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:47,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:47,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:47,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:24:47,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:47,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:47,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:47,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:47,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:47,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 10:24:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:47,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:47,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:47,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:47,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:47,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 10:24:47,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:47,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:47,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:47,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:47,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:47,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 10:24:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:47,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:47,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:47,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:47,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:47,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 10:24:47,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:47,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:47,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:47,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:47,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:47,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 10:24:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:47,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:47,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:47,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:48,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking...