/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 22:57:03,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 22:57:03,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 22:57:03,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 22:57:03,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 22:57:03,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 22:57:03,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 22:57:03,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 22:57:03,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 22:57:03,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 22:57:03,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 22:57:03,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 22:57:03,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 22:57:03,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 22:57:03,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 22:57:03,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 22:57:03,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 22:57:03,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 22:57:03,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 22:57:03,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 22:57:03,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 22:57:03,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 22:57:03,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 22:57:03,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 22:57:03,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 22:57:03,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 22:57:03,684 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 22:57:03,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 22:57:03,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 22:57:03,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 22:57:03,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 22:57:03,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 22:57:03,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 22:57:03,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 22:57:03,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 22:57:03,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 22:57:03,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 22:57:03,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 22:57:03,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 22:57:03,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 22:57:03,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 22:57:03,697 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-13 22:57:03,742 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 22:57:03,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 22:57:03,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 22:57:03,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 22:57:03,746 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 22:57:03,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 22:57:03,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 22:57:03,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 22:57:03,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 22:57:03,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 22:57:03,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 22:57:03,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 22:57:03,749 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 22:57:03,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 22:57:03,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 22:57:03,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 22:57:03,750 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 22:57:03,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 22:57:03,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 22:57:03,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 22:57:03,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 22:57:03,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 22:57:03,751 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 22:57:03,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 22:57:03,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 22:57:03,751 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 22:57:03,752 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 22:57:03,752 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 22:57:04,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 22:57:04,061 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 22:57:04,065 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 22:57:04,067 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 22:57:04,067 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 22:57:04,068 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i [2020-10-13 22:57:04,134 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/71440b7d7/d579c72d9141406fa067a2ca5650dfe8/FLAGfa0b0fb93 [2020-10-13 22:57:04,914 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 22:57:04,915 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i [2020-10-13 22:57:04,969 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/71440b7d7/d579c72d9141406fa067a2ca5650dfe8/FLAGfa0b0fb93 [2020-10-13 22:57:05,437 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/71440b7d7/d579c72d9141406fa067a2ca5650dfe8 [2020-10-13 22:57:05,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 22:57:05,447 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 22:57:05,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 22:57:05,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 22:57:05,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 22:57:05,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:57:05" (1/1) ... [2020-10-13 22:57:05,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e8d896d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:05, skipping insertion in model container [2020-10-13 22:57:05,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:57:05" (1/1) ... [2020-10-13 22:57:05,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 22:57:05,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 22:57:07,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 22:57:07,399 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 22:57:07,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 22:57:08,134 INFO L208 MainTranslator]: Completed translation [2020-10-13 22:57:08,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:08 WrapperNode [2020-10-13 22:57:08,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 22:57:08,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 22:57:08,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 22:57:08,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 22:57:08,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:08" (1/1) ... [2020-10-13 22:57:08,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:08" (1/1) ... [2020-10-13 22:57:08,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:08" (1/1) ... [2020-10-13 22:57:08,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:08" (1/1) ... [2020-10-13 22:57:08,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:08" (1/1) ... [2020-10-13 22:57:08,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:08" (1/1) ... [2020-10-13 22:57:08,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:08" (1/1) ... [2020-10-13 22:57:08,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 22:57:08,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 22:57:08,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 22:57:08,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 22:57:08,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:08" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 22:57:08,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 22:57:08,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 22:57:08,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2020-10-13 22:57:08,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2020-10-13 22:57:08,484 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-13 22:57:08,484 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-13 22:57:08,484 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-13 22:57:08,484 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-13 22:57:08,485 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-13 22:57:08,485 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 22:57:08,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 22:57:08,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-13 22:57:08,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-13 22:57:08,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-13 22:57:08,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-13 22:57:08,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-13 22:57:08,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2020-10-13 22:57:08,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-13 22:57:08,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-13 22:57:08,487 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-13 22:57:08,487 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-13 22:57:08,487 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-13 22:57:08,487 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2020-10-13 22:57:08,488 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-13 22:57:08,488 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2020-10-13 22:57:08,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-13 22:57:08,488 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-13 22:57:08,488 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 22:57:08,489 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-13 22:57:08,489 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-10-13 22:57:08,489 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2020-10-13 22:57:08,489 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-10-13 22:57:08,489 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-13 22:57:08,489 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice [2020-10-13 22:57:08,489 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2020-10-13 22:57:08,490 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2020-10-13 22:57:08,490 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-10-13 22:57:08,490 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-10-13 22:57:08,490 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-10-13 22:57:08,490 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-10-13 22:57:08,490 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2020-10-13 22:57:08,491 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2020-10-13 22:57:08,491 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2020-10-13 22:57:08,491 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_alloc_bufs [2020-10-13 22:57:08,491 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2020-10-13 22:57:08,491 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_realloc_bufs [2020-10-13 22:57:08,491 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_lock [2020-10-13 22:57:08,491 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2020-10-13 22:57:08,492 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2020-10-13 22:57:08,492 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_encaps [2020-10-13 22:57:08,492 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_write_wakeup [2020-10-13 22:57:08,492 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_tx_timeout [2020-10-13 22:57:08,492 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_xmit [2020-10-13 22:57:08,492 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_close [2020-10-13 22:57:08,493 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_open [2020-10-13 22:57:08,493 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_change_mtu [2020-10-13 22:57:08,493 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_get_stats64 [2020-10-13 22:57:08,493 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_init [2020-10-13 22:57:08,493 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_uninit [2020-10-13 22:57:08,493 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_netdev [2020-10-13 22:57:08,493 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_setup [2020-10-13 22:57:08,493 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_receive_buf [2020-10-13 22:57:08,494 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_sync [2020-10-13 22:57:08,494 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_alloc [2020-10-13 22:57:08,494 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_open [2020-10-13 22:57:08,494 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2020-10-13 22:57:08,494 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_hangup [2020-10-13 22:57:08,494 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_esc [2020-10-13 22:57:08,494 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_unesc [2020-10-13 22:57:08,495 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_esc6 [2020-10-13 22:57:08,495 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_unesc6 [2020-10-13 22:57:08,495 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2020-10-13 22:57:08,495 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_compat_ioctl [2020-10-13 22:57:08,495 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2020-10-13 22:57:08,495 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_init [2020-10-13 22:57:08,495 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_exit [2020-10-13 22:57:08,496 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_outfill [2020-10-13 22:57:08,496 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_keepalive [2020-10-13 22:57:08,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_3 [2020-10-13 22:57:08,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_4 [2020-10-13 22:57:08,496 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2020-10-13 22:57:08,496 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2020-10-13 22:57:08,497 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2020-10-13 22:57:08,497 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2020-10-13 22:57:08,497 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2020-10-13 22:57:08,497 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2020-10-13 22:57:08,497 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2020-10-13 22:57:08,497 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2020-10-13 22:57:08,497 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 22:57:08,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_1 [2020-10-13 22:57:08,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_2 [2020-10-13 22:57:08,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sl_alloc_bufs_3 [2020-10-13 22:57:08,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdevice_4 [2020-10-13 22:57:08,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_5 [2020-10-13 22:57:08,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_6 [2020-10-13 22:57:08,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_7 [2020-10-13 22:57:08,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_8 [2020-10-13 22:57:08,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_9 [2020-10-13 22:57:08,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_10 [2020-10-13 22:57:08,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_11 [2020-10-13 22:57:08,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_12 [2020-10-13 22:57:08,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_13 [2020-10-13 22:57:08,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_14 [2020-10-13 22:57:08,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_15 [2020-10-13 22:57:08,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_16 [2020-10-13 22:57:08,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_17 [2020-10-13 22:57:08,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_slip_open_18 [2020-10-13 22:57:08,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_callback_ret_val [2020-10-13 22:57:08,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2020-10-13 22:57:08,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-13 22:57:08,500 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-13 22:57:08,501 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-13 22:57:08,501 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2020-10-13 22:57:08,501 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-13 22:57:08,501 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2020-10-13 22:57:08,501 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2020-10-13 22:57:08,501 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2020-10-13 22:57:08,502 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-10-13 22:57:08,502 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2020-10-13 22:57:08,502 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2020-10-13 22:57:08,502 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2020-10-13 22:57:08,502 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2020-10-13 22:57:08,502 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2020-10-13 22:57:08,503 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2020-10-13 22:57:08,503 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-10-13 22:57:08,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 22:57:08,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 22:57:08,503 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-13 22:57:08,503 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2020-10-13 22:57:08,503 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2020-10-13 22:57:08,504 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2020-10-13 22:57:08,504 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2020-10-13 22:57:08,504 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-13 22:57:08,504 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice [2020-10-13 22:57:08,504 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2020-10-13 22:57:08,504 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2020-10-13 22:57:08,505 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-13 22:57:08,505 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_compress [2020-10-13 22:57:08,505 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2020-10-13 22:57:08,505 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2020-10-13 22:57:08,505 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_remember [2020-10-13 22:57:08,505 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_uncompress [2020-10-13 22:57:08,505 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_chars_in_buffer [2020-10-13 22:57:08,506 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2020-10-13 22:57:08,506 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2020-10-13 22:57:08,506 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_mode_ioctl [2020-10-13 22:57:08,506 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2020-10-13 22:57:08,506 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2020-10-13 22:57:08,506 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-10-13 22:57:08,507 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_queue [2020-10-13 22:57:08,507 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-13 22:57:08,507 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 22:57:08,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-13 22:57:08,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-13 22:57:08,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 22:57:08,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-13 22:57:08,508 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-13 22:57:08,508 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-13 22:57:08,508 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-13 22:57:08,508 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-13 22:57:08,508 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-13 22:57:08,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 22:57:08,508 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-13 22:57:08,509 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-13 22:57:08,509 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-13 22:57:08,509 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-13 22:57:08,509 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 22:57:08,509 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 22:57:08,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 22:57:08,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-13 22:57:08,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 22:57:08,510 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 22:57:08,510 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 22:57:08,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 22:57:08,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 22:57:08,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 22:57:08,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-13 22:57:08,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-13 22:57:08,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-13 22:57:08,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-13 22:57:08,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-13 22:57:08,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2020-10-13 22:57:08,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-13 22:57:08,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_callback_ret_val [2020-10-13 22:57:08,511 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-13 22:57:08,512 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-13 22:57:08,512 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2020-10-13 22:57:08,512 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-13 22:57:08,512 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-13 22:57:08,512 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-13 22:57:08,512 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2020-10-13 22:57:08,512 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-13 22:57:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2020-10-13 22:57:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-13 22:57:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-13 22:57:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2020-10-13 22:57:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-13 22:57:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2020-10-13 22:57:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2020-10-13 22:57:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2020-10-13 22:57:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_2 [2020-10-13 22:57:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_8 [2020-10-13 22:57:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_10 [2020-10-13 22:57:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_12 [2020-10-13 22:57:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_14 [2020-10-13 22:57:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_16 [2020-10-13 22:57:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2020-10-13 22:57:08,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_7 [2020-10-13 22:57:08,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_9 [2020-10-13 22:57:08,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_11 [2020-10-13 22:57:08,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_13 [2020-10-13 22:57:08,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_15 [2020-10-13 22:57:08,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_17 [2020-10-13 22:57:08,515 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2020-10-13 22:57:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2020-10-13 22:57:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_1 [2020-10-13 22:57:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_5 [2020-10-13 22:57:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_6 [2020-10-13 22:57:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 22:57:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-13 22:57:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-13 22:57:08,517 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 22:57:08,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_3 [2020-10-13 22:57:08,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_4 [2020-10-13 22:57:08,517 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2020-10-13 22:57:08,517 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2020-10-13 22:57:08,517 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2020-10-13 22:57:08,517 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2020-10-13 22:57:08,517 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2020-10-13 22:57:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2020-10-13 22:57:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2020-10-13 22:57:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2020-10-13 22:57:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-13 22:57:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-13 22:57:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-10-13 22:57:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure tty_chars_in_buffer [2020-10-13 22:57:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2020-10-13 22:57:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure tty_mode_ioctl [2020-10-13 22:57:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2020-10-13 22:57:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2020-10-13 22:57:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2020-10-13 22:57:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2020-10-13 22:57:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-13 22:57:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-10-13 22:57:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 22:57:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 22:57:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2020-10-13 22:57:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2020-10-13 22:57:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-10-13 22:57:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-13 22:57:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2020-10-13 22:57:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice [2020-10-13 22:57:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdevice_4 [2020-10-13 22:57:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_queue [2020-10-13 22:57:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice [2020-10-13 22:57:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-10-13 22:57:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2020-10-13 22:57:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2020-10-13 22:57:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2020-10-13 22:57:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2020-10-13 22:57:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-10-13 22:57:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-10-13 22:57:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-10-13 22:57:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 22:57:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-10-13 22:57:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2020-10-13 22:57:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2020-10-13 22:57:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2020-10-13 22:57:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2020-10-13 22:57:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2020-10-13 22:57:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2020-10-13 22:57:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-10-13 22:57:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2020-10-13 22:57:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2020-10-13 22:57:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2020-10-13 22:57:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2020-10-13 22:57:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_compress [2020-10-13 22:57:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_uncompress [2020-10-13 22:57:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_remember [2020-10-13 22:57:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure slip_esc [2020-10-13 22:57:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure slip_unesc [2020-10-13 22:57:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure slip_esc6 [2020-10-13 22:57:08,525 INFO L130 BoogieDeclarations]: Found specification of procedure slip_unesc6 [2020-10-13 22:57:08,525 INFO L130 BoogieDeclarations]: Found specification of procedure sl_keepalive [2020-10-13 22:57:08,525 INFO L130 BoogieDeclarations]: Found specification of procedure sl_outfill [2020-10-13 22:57:08,525 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2020-10-13 22:57:08,525 INFO L130 BoogieDeclarations]: Found specification of procedure sl_alloc_bufs [2020-10-13 22:57:08,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sl_alloc_bufs_3 [2020-10-13 22:57:08,525 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2020-10-13 22:57:08,525 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-13 22:57:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure sl_realloc_bufs [2020-10-13 22:57:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-13 22:57:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 22:57:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure sl_lock [2020-10-13 22:57:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2020-10-13 22:57:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2020-10-13 22:57:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure sl_encaps [2020-10-13 22:57:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2020-10-13 22:57:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 22:57:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure slip_write_wakeup [2020-10-13 22:57:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure sl_tx_timeout [2020-10-13 22:57:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure sl_xmit [2020-10-13 22:57:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure sl_close [2020-10-13 22:57:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure sl_open [2020-10-13 22:57:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure sl_change_mtu [2020-10-13 22:57:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure sl_get_stats64 [2020-10-13 22:57:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure sl_init [2020-10-13 22:57:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure sl_uninit [2020-10-13 22:57:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_netdev [2020-10-13 22:57:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure sl_setup [2020-10-13 22:57:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure slip_receive_buf [2020-10-13 22:57:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure sl_sync [2020-10-13 22:57:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure sl_alloc [2020-10-13 22:57:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure slip_open [2020-10-13 22:57:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_slip_open_18 [2020-10-13 22:57:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2020-10-13 22:57:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure slip_hangup [2020-10-13 22:57:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2020-10-13 22:57:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure slip_compat_ioctl [2020-10-13 22:57:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure slip_init [2020-10-13 22:57:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure slip_exit [2020-10-13 22:57:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 22:57:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 22:57:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2020-10-13 22:57:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 22:57:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 22:57:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 22:57:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 22:57:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 22:57:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 22:57:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-13 22:57:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-13 22:57:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-13 22:57:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-13 22:57:09,573 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-13 22:57:12,182 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 22:57:12,183 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-13 22:57:12,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:57:12 BoogieIcfgContainer [2020-10-13 22:57:12,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 22:57:12,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 22:57:12,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 22:57:12,198 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 22:57:12,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:57:05" (1/3) ... [2020-10-13 22:57:12,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f9a5424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:57:12, skipping insertion in model container [2020-10-13 22:57:12,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:08" (2/3) ... [2020-10-13 22:57:12,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f9a5424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:57:12, skipping insertion in model container [2020-10-13 22:57:12,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:57:12" (3/3) ... [2020-10-13 22:57:12,201 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i [2020-10-13 22:57:12,212 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 22:57:12,223 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 22:57:12,240 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 22:57:12,268 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 22:57:12,269 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 22:57:12,269 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 22:57:12,269 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 22:57:12,269 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 22:57:12,269 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 22:57:12,269 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 22:57:12,270 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 22:57:12,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states. [2020-10-13 22:57:12,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-13 22:57:12,332 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 22:57:12,334 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 22:57:12,334 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 22:57:12,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 22:57:12,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1772754021, now seen corresponding path program 1 times [2020-10-13 22:57:12,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 22:57:12,354 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1347646977] [2020-10-13 22:57:12,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 22:57:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:13,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:13,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:13,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:15,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:15,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-13 22:57:15,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 22:57:15,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2415 [2020-10-13 22:57:15,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:15,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 22:57:15,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-13 22:57:15,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 22:57:15,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 22:57:15,841 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-10-13 22:57:15,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 22:57:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:15,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:15,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:15,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:57:15,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:15,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-13 22:57:15,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:15,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:15,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:15,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:15,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:15,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:57:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:15,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:15,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:15,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:57:15,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:15,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 22:57:15,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:15,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:15,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:15,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:15,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:15,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 22:57:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:15,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:15,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:15,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:57:15,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:15,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 22:57:15,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:15,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:15,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:15,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:15,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:15,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 22:57:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:16,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:16,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:16,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:57:16,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:16,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 22:57:16,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:16,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:16,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:16,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:16,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:16,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 22:57:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:16,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:16,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:16,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:57:16,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:16,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 22:57:16,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:16,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:16,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:16,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:16,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:16,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 22:57:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:16,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:16,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:16,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:57:16,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:16,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 22:57:16,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:16,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:16,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:16,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:16,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:16,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 22:57:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:16,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:16,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:16,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:57:16,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:16,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 22:57:16,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:16,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:16,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:16,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:16,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:16,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 22:57:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:16,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:16,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:16,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:57:16,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:16,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 22:57:16,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:16,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:16,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:16,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:16,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:16,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 22:57:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:16,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:16,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:16,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 22:57:16,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:16,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 22:57:16,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:16,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:16,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:16,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:16,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:16,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-13 22:57:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:16,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:16,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:16,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 22:57:16,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:16,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 22:57:16,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:16,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:16,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 22:57:16,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:16,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:16,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:57:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:16,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:16,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:16,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:57:16,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:16,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 22:57:16,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:16,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:16,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:16,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:16,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:16,213 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-13 22:57:16,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1347646977] [2020-10-13 22:57:16,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 22:57:16,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 22:57:16,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117489639] [2020-10-13 22:57:16,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 22:57:16,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 22:57:16,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 22:57:16,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-13 22:57:16,241 INFO L87 Difference]: Start difference. First operand 1435 states. Second operand 6 states. [2020-10-13 22:57:16,634 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-10-13 22:57:17,179 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2020-10-13 22:57:17,643 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-13 22:57:44,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 22:57:44,463 INFO L93 Difference]: Finished difference Result 4578 states and 6675 transitions. [2020-10-13 22:57:44,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 22:57:44,466 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 82 [2020-10-13 22:57:44,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 22:57:44,522 INFO L225 Difference]: With dead ends: 4578 [2020-10-13 22:57:44,523 INFO L226 Difference]: Without dead ends: 2997 [2020-10-13 22:57:44,542 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-13 22:57:44,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2997 states. [2020-10-13 22:57:45,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2997 to 2070. [2020-10-13 22:57:45,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2070 states. [2020-10-13 22:57:45,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2070 states to 2070 states and 2788 transitions. [2020-10-13 22:57:45,129 INFO L78 Accepts]: Start accepts. Automaton has 2070 states and 2788 transitions. Word has length 82 [2020-10-13 22:57:45,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 22:57:45,130 INFO L479 AbstractCegarLoop]: Abstraction has 2070 states and 2788 transitions. [2020-10-13 22:57:45,130 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 22:57:45,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 2788 transitions. [2020-10-13 22:57:45,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-13 22:57:45,141 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 22:57:45,142 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 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] [2020-10-13 22:57:45,142 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 22:57:45,143 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 22:57:45,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 22:57:45,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1032965100, now seen corresponding path program 1 times [2020-10-13 22:57:45,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 22:57:45,144 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [349133926] [2020-10-13 22:57:45,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 22:57:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:45,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:45,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:46,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:47,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:50,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:50,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-13 22:57:50,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 22:57:50,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5059 [2020-10-13 22:57:50,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:50,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 22:57:50,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-13 22:57:50,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 22:57:50,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:50,704 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-10-13 22:57:50,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 22:57:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:50,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:50,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:50,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:57:50,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:50,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 22:57:50,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:50,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:50,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:50,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:50,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:50,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:57:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:50,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:50,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:50,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:57:50,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:50,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 22:57:50,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:50,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:50,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:50,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:50,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:50,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 22:57:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:50,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:50,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:50,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:57:50,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:50,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 22:57:50,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:50,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:50,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:50,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:50,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:50,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 22:57:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:50,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:50,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:50,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:57:50,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:50,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 22:57:50,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:50,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:50,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:50,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:50,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:50,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 22:57:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:50,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:50,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:50,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:57:50,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:50,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 22:57:50,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:50,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:50,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:50,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:50,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:50,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 22:57:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:50,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:50,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:50,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:57:50,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:50,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 22:57:50,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:50,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:50,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:50,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:50,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:50,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 22:57:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:50,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:50,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:50,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:57:50,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:50,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 22:57:50,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:50,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:50,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:50,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:50,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:57:50,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 22:57:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:50,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:50,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:50,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:57:50,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:50,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 22:57:50,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:50,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:50,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:50,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:50,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:57:50,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 22:57:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:50,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:50,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:50,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 22:57:50,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:50,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 22:57:50,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:50,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:50,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:50,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:50,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:57:50,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 22:57:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:50,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:51,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:51,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 22:57:51,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:51,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-13 22:57:51,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:51,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 22:57:51,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:51,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-13 22:57:51,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:57:51,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 22:57:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:51,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:51,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:51,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 22:57:51,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:51,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 22:57:51,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:51,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:51,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:51,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:51,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:51,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:57:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:51,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:51,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:51,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 22:57:51,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:51,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 22:57:51,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:51,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:51,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:51,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:51,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:57:51,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:57:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:51,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:51,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:51,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 22:57:51,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:51,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 22:57:51,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:51,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:51,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:51,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:51,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:57:51,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:57:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:51,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:51,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:51,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:57:51,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:51,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 22:57:51,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:51,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:51,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:51,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:51,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:57:51,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 22:57:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:51,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:51,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:51,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 22:57:51,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:51,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 22:57:51,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:51,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:51,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 22:57:51,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:51,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:57:51,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:57:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:51,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:51,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:51,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:57:51,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:51,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 22:57:51,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:51,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:51,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:51,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:51,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:57:51,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 22:57:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:51,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:51,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:51,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 22:57:51,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:51,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 22:57:51,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:51,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:51,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 22:57:51,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:51,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:57:51,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:57:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:51,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:51,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:51,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:57:51,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:51,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 22:57:51,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:51,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:51,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:51,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:51,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:57:51,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-13 22:57:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:51,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:51,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:51,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 22:57:51,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:51,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 22:57:51,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:51,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:51,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 22:57:51,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:51,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:57:51,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:57:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:51,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:51,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:51,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:57:51,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:51,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 22:57:51,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:51,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:51,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:51,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:51,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:57:51,626 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-13 22:57:51,627 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [349133926] [2020-10-13 22:57:51,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 22:57:51,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 22:57:51,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581351580] [2020-10-13 22:57:51,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 22:57:51,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 22:57:51,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 22:57:51,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-13 22:57:51,631 INFO L87 Difference]: Start difference. First operand 2070 states and 2788 transitions. Second operand 12 states. [2020-10-13 22:57:52,043 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-10-13 22:58:28,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 22:58:28,563 INFO L93 Difference]: Finished difference Result 5684 states and 8419 transitions. [2020-10-13 22:58:28,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-13 22:58:28,564 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 142 [2020-10-13 22:58:28,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 22:58:28,590 INFO L225 Difference]: With dead ends: 5684 [2020-10-13 22:58:28,590 INFO L226 Difference]: Without dead ends: 3621 [2020-10-13 22:58:28,600 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=202, Invalid=728, Unknown=0, NotChecked=0, Total=930 [2020-10-13 22:58:28,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3621 states. [2020-10-13 22:58:28,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3621 to 2070. [2020-10-13 22:58:28,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2070 states. [2020-10-13 22:58:28,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2070 states to 2070 states and 2786 transitions. [2020-10-13 22:58:28,979 INFO L78 Accepts]: Start accepts. Automaton has 2070 states and 2786 transitions. Word has length 142 [2020-10-13 22:58:28,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 22:58:28,982 INFO L479 AbstractCegarLoop]: Abstraction has 2070 states and 2786 transitions. [2020-10-13 22:58:28,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 22:58:28,983 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 2786 transitions. [2020-10-13 22:58:28,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-13 22:58:28,997 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 22:58:28,997 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 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] [2020-10-13 22:58:28,999 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 22:58:28,999 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 22:58:29,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 22:58:29,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1401930792, now seen corresponding path program 1 times [2020-10-13 22:58:29,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 22:58:29,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [180063585] [2020-10-13 22:58:29,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 22:58:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:58:29,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:58:29,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:58:34,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:58:34,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-13 22:58:34,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 22:58:34,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 22:58:34,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:58:34,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 22:58:34,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 22:58:34,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 22:58:34,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:58:34,600 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-10-13 22:58:34,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 22:58:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:58:34,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:58:34,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:58:34,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:58:34,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:58:34,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 22:58:34,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:58:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:58:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:58:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:58:34,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:58:34,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:58:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:58:34,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:58:34,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:58:34,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:58:34,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:58:34,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 22:58:34,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:58:34,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:58:34,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:58:34,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:58:34,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:58:34,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 22:58:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:58:34,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:58:34,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:58:34,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:58:34,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:58:34,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 22:58:34,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:58:34,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:58:34,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:58:34,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:58:34,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:58:34,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 22:58:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:58:34,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:58:34,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:58:34,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:58:34,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:58:34,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 22:58:34,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:58:34,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:58:34,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:58:34,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:58:34,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:58:34,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 22:58:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:58:34,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:58:34,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:58:34,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:58:34,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:58:34,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 22:58:34,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:58:34,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:58:34,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:58:34,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:58:34,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:58:34,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 22:58:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:58:34,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:58:34,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:58:34,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:58:34,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:58:34,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 22:58:34,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:58:34,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:58:34,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:58:34,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:58:34,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:58:34,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 22:58:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:58:34,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:58:34,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:58:34,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:58:34,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:58:34,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 22:58:34,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:58:34,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:58:34,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:58:34,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:58:34,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:58:34,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 22:58:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:58:34,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:58:34,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:58:34,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:58:34,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:58:34,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 22:58:34,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:58:34,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:58:34,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:58:34,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:58:34,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:58:34,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 22:58:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:58:34,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:58:34,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:58:34,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 22:58:34,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:58:34,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 22:58:34,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:58:34,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:58:34,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:58:34,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:58:34,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:58:34,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 22:58:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:58:34,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:58:34,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:58:34,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 22:58:34,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:58:34,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-13 22:58:34,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:58:34,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 22:58:34,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 22:58:34,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 22:58:34,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:58:35,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 22:58:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:58:35,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:58:35,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:58:35,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 22:58:35,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:58:35,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-13 22:58:35,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:58:35,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 22:58:35,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:58:35,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 22:58:35,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:58:35,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:58:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:58:35,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:58:35,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:58:35,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 22:58:35,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:58:35,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-13 22:58:35,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:58:35,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 22:58:35,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:58:35,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 22:58:35,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:58:35,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:58:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:58:35,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:58:35,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:58:35,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 22:58:35,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:58:35,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-13 22:58:35,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:58:35,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 22:58:35,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:58:35,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 22:58:35,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:58:35,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:58:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:58:35,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:58:35,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:58:35,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:58:35,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:58:35,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 22:58:35,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:58:35,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 22:58:35,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:58:35,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 22:58:35,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:58:35,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 22:58:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:58:35,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:58:35,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:58:35,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:58:35,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:58:35,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 22:58:35,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:58:35,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:58:35,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 22:58:35,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:58:35,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:58:35,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 22:58:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:58:35,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:58:35,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:58:35,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 22:58:35,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:58:35,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 22:58:35,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:58:35,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:58:35,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 22:58:35,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:58:35,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:58:35,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:58:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:58:35,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:58:35,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:58:35,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:58:35,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:58:35,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 22:58:35,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:58:35,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:58:35,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:58:35,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:58:35,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:58:35,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 22:58:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:58:35,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:58:35,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:58:35,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 22:58:35,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:58:35,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 22:58:35,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:58:35,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:58:35,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 22:58:35,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:58:35,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:58:35,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:58:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:58:35,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:58:35,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:58:35,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:58:35,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:58:35,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 22:58:35,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:58:35,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:58:35,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:58:35,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:58:35,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:58:35,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 22:58:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:58:35,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:58:35,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:58:35,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 22:58:35,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:58:35,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 22:58:35,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:58:35,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:58:35,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 22:58:35,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:58:35,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:58:35,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:58:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:58:35,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:58:35,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:58:35,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:58:35,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:58:35,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 22:58:35,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:58:35,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:58:35,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:58:35,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:58:35,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:58:35,934 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-13 22:58:35,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [180063585] [2020-10-13 22:58:35,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 22:58:35,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-13 22:58:35,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903848818] [2020-10-13 22:58:35,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-13 22:58:35,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 22:58:35,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-13 22:58:35,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2020-10-13 22:58:35,940 INFO L87 Difference]: Start difference. First operand 2070 states and 2786 transitions. Second operand 18 states. [2020-10-13 22:58:36,294 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-10-13 22:58:36,936 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2020-10-13 22:58:37,421 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-10-13 22:58:39,877 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2020-10-13 22:58:40,439 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2020-10-13 22:58:40,902 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2020-10-13 22:58:41,441 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2020-10-13 22:58:41,959 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2020-10-13 22:58:42,549 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2020-10-13 22:58:43,082 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2020-10-13 22:58:43,783 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2020-10-13 22:58:55,372 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-13 22:58:55,874 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-13 22:58:56,291 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-13 22:58:56,737 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-13 22:58:57,204 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-13 22:58:57,691 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-13 22:58:58,159 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-13 22:58:58,743 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-13 22:59:28,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 22:59:28,317 INFO L93 Difference]: Finished difference Result 5703 states and 7919 transitions. [2020-10-13 22:59:28,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-13 22:59:28,318 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 149 [2020-10-13 22:59:28,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 22:59:28,338 INFO L225 Difference]: With dead ends: 5703 [2020-10-13 22:59:28,338 INFO L226 Difference]: Without dead ends: 3651 [2020-10-13 22:59:28,347 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 517 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=510, Invalid=1746, Unknown=0, NotChecked=0, Total=2256 [2020-10-13 22:59:28,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3651 states. [2020-10-13 22:59:28,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3651 to 2778. [2020-10-13 22:59:28,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2778 states. [2020-10-13 22:59:28,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 3729 transitions. [2020-10-13 22:59:28,855 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 3729 transitions. Word has length 149 [2020-10-13 22:59:28,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 22:59:28,858 INFO L479 AbstractCegarLoop]: Abstraction has 2778 states and 3729 transitions. [2020-10-13 22:59:28,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-13 22:59:28,858 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3729 transitions. [2020-10-13 22:59:28,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-13 22:59:28,867 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 22:59:28,868 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 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] [2020-10-13 22:59:28,868 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 22:59:28,868 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 22:59:28,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 22:59:28,869 INFO L82 PathProgramCache]: Analyzing trace with hash -192709504, now seen corresponding path program 1 times [2020-10-13 22:59:28,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 22:59:28,869 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [414877956] [2020-10-13 22:59:28,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 22:59:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:59:28,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:59:29,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:59:33,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:59:33,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-13 22:59:33,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 22:59:33,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4151 [2020-10-13 22:59:33,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:59:33,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 22:59:33,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 196 [2020-10-13 22:59:33,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 22:59:33,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:59:33,670 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-10-13 22:59:33,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 22:59:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:59:33,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:59:33,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:59:33,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:59:33,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:59:33,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 22:59:33,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:59:33,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:59:33,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:59:33,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:59:33,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:59:33,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:59:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:59:33,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:59:33,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:59:33,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:59:33,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:59:33,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 22:59:33,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:59:33,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:59:33,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:59:33,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:59:33,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:59:33,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 22:59:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:59:33,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:59:33,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:59:33,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:59:33,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:59:33,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 22:59:33,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:59:33,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:59:33,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:59:33,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:59:33,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:59:33,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 22:59:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:59:33,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:59:33,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:59:33,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:59:33,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:59:33,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 22:59:33,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:59:33,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:59:33,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:59:33,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:59:33,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:59:33,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 22:59:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:59:33,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:59:33,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:59:33,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:59:33,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:59:33,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 22:59:33,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:59:33,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:59:33,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:59:33,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:59:33,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:59:33,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 22:59:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:59:33,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:59:33,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:59:33,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:59:33,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:59:33,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 22:59:33,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:59:33,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:59:33,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:59:33,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:59:33,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:59:33,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 22:59:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:59:33,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:59:33,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:59:33,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:59:33,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:59:33,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 22:59:33,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:59:33,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:59:33,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:59:33,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:59:33,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:59:33,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 22:59:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:59:33,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:59:33,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:59:33,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:59:33,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:59:33,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 22:59:33,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:59:33,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:59:33,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:59:33,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:59:33,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:59:33,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 22:59:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:59:33,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:59:33,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:59:33,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 22:59:33,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:59:33,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 22:59:33,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:59:33,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:59:33,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:59:33,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:59:33,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:59:33,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 22:59:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:59:33,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:59:33,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:59:33,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 22:59:33,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:59:33,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 22:59:33,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:59:33,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:59:33,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:59:33,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:59:33,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:59:33,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 22:59:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:59:33,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:59:34,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:59:34,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 22:59:34,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:59:34,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 22:59:34,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:59:34,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:59:34,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:59:34,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:59:34,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:59:34,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:59:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:59:34,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:59:34,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:59:34,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 22:59:34,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:59:34,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 22:59:34,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:59:34,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:59:34,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:59:34,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:59:34,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:59:34,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:59:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:59:34,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:59:34,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:59:34,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 22:59:34,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:59:34,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 22:59:34,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:59:34,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:59:34,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:59:34,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:59:34,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:59:34,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:59:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:59:34,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:59:34,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:59:34,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 22:59:34,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:59:34,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 22:59:34,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:59:34,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:59:34,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:59:34,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:59:34,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:59:34,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 22:59:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:59:34,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:59:34,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:59:34,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:59:34,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:59:34,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 22:59:34,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:59:34,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:59:34,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:59:34,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:59:34,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:59:34,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 22:59:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:59:34,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:59:34,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:59:34,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:59:34,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:59:34,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 22:59:34,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:59:34,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:59:34,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:59:34,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:59:34,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:59:34,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 22:59:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:59:34,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:59:34,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:59:34,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 22:59:34,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:59:34,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 22:59:34,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:59:34,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:59:34,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:59:34,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:59:34,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:59:34,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:59:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:59:34,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:59:34,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:59:34,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:59:34,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:59:34,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 22:59:34,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:59:34,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:59:34,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:59:34,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:59:34,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:59:34,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 22:59:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:59:34,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:59:34,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:59:34,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 22:59:34,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:59:34,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 22:59:34,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:59:34,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:59:34,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:59:34,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:59:34,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:59:34,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:59:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:59:34,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:59:34,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:59:34,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:59:34,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:59:34,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 22:59:34,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:59:34,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:59:34,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:59:34,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:59:34,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:59:34,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 22:59:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:59:34,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:59:34,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:59:34,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 22:59:34,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:59:34,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 22:59:34,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:59:34,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 22:59:34,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:59:34,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 22:59:34,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:59:34,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:59:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:59:34,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:59:34,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:59:34,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:59:34,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:59:34,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 22:59:34,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:59:34,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:59:34,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:59:34,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:59:34,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:59:34,456 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-10-13 22:59:34,456 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [414877956] [2020-10-13 22:59:34,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 22:59:34,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-13 22:59:34,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941034547] [2020-10-13 22:59:34,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 22:59:34,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 22:59:34,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 22:59:34,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-13 22:59:34,461 INFO L87 Difference]: Start difference. First operand 2778 states and 3729 transitions. Second operand 14 states. [2020-10-13 22:59:34,824 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-10-13 22:59:49,397 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-13 22:59:50,002 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-13 22:59:50,513 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-13 22:59:50,982 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-13 22:59:51,488 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2020-10-13 23:00:05,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 23:00:05,621 INFO L93 Difference]: Finished difference Result 3664 states and 5160 transitions. [2020-10-13 23:00:05,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 23:00:05,622 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 155 [2020-10-13 23:00:05,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 23:00:05,642 INFO L225 Difference]: With dead ends: 3664 [2020-10-13 23:00:05,643 INFO L226 Difference]: Without dead ends: 3661 [2020-10-13 23:00:05,645 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=171, Invalid=429, Unknown=0, NotChecked=0, Total=600 [2020-10-13 23:00:05,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3661 states. [2020-10-13 23:00:06,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3661 to 2786. [2020-10-13 23:00:06,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2786 states. [2020-10-13 23:00:06,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2786 states to 2786 states and 3737 transitions. [2020-10-13 23:00:06,077 INFO L78 Accepts]: Start accepts. Automaton has 2786 states and 3737 transitions. Word has length 155 [2020-10-13 23:00:06,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 23:00:06,078 INFO L479 AbstractCegarLoop]: Abstraction has 2786 states and 3737 transitions. [2020-10-13 23:00:06,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 23:00:06,078 INFO L276 IsEmpty]: Start isEmpty. Operand 2786 states and 3737 transitions. [2020-10-13 23:00:06,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-13 23:00:06,087 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 23:00:06,088 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 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] [2020-10-13 23:00:06,088 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 23:00:06,088 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 23:00:06,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 23:00:06,088 INFO L82 PathProgramCache]: Analyzing trace with hash -573253520, now seen corresponding path program 1 times [2020-10-13 23:00:06,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 23:00:06,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1657759778] [2020-10-13 23:00:06,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 23:00:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:06,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:06,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:10,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:10,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-13 23:00:10,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 23:00:10,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3860 [2020-10-13 23:00:10,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 23:00:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 197 [2020-10-13 23:00:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 23:00:10,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:10,447 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-10-13 23:00:10,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 23:00:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:10,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:10,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:10,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:00:10,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:10,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 23:00:10,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:10,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:10,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:10,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:10,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:10,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 23:00:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:10,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:10,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:10,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:00:10,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:10,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:00:10,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:10,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:10,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:10,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:10,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:10,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 23:00:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:10,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:10,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:10,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:00:10,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:10,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:00:10,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:10,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:10,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:10,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:10,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:10,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 23:00:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:10,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:10,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:10,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:00:10,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:10,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:00:10,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:10,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:10,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:10,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:10,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:10,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 23:00:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:10,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:10,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:10,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:00:10,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:10,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:00:10,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:10,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:10,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:10,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:10,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:10,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 23:00:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:10,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:10,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:10,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:00:10,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:10,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:00:10,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:10,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:10,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:10,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:10,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:10,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 23:00:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:10,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:10,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:10,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:00:10,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:10,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:00:10,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:10,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:10,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:10,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:10,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:10,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 23:00:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:10,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:10,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:10,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:00:10,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:10,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:00:10,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:10,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:10,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:10,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:10,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:10,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 23:00:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:10,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:10,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:10,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 23:00:10,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:10,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:00:10,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:10,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:10,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:10,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:10,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:10,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 23:00:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:10,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:10,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:10,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 23:00:10,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:10,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-13 23:00:10,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:10,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:10,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:10,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:10,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:00:10,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 23:00:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:10,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:10,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:10,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 23:00:10,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:10,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 23:00:10,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:10,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:10,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:10,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:10,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:00:10,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:00:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:10,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:10,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:10,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 23:00:10,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:10,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 23:00:10,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:10,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:10,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:10,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:10,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:00:10,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:00:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:10,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:10,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:10,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 23:00:10,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:10,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 23:00:10,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:10,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:10,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:10,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:10,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:00:10,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:00:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:10,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:10,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:10,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 23:00:10,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:10,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 23:00:10,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:10,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:10,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:10,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:10,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:10,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 23:00:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:10,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:10,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:10,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:00:10,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:10,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 23:00:10,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:10,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:10,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:10,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:10,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:10,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 23:00:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:10,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:10,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:10,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:00:10,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:10,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:00:10,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:10,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:10,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:10,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:10,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:10,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 23:00:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:10,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:10,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:10,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 23:00:10,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:10,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 23:00:10,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:10,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:10,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:10,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:10,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:10,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:00:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:11,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:11,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:11,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:00:11,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:11,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 23:00:11,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:11,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:11,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:11,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:11,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:11,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 23:00:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:11,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:11,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:11,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 23:00:11,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:11,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 23:00:11,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:11,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:11,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:11,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:11,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:11,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:00:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:11,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:11,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:11,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:00:11,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:11,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:00:11,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:11,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:11,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:11,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:11,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:11,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 23:00:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:11,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:11,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:11,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 23:00:11,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:11,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 23:00:11,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:11,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 23:00:11,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:11,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 23:00:11,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:11,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:00:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:11,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:11,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:11,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:00:11,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:11,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:00:11,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:11,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:11,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:11,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:11,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:11,255 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-10-13 23:00:11,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1657759778] [2020-10-13 23:00:11,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 23:00:11,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-13 23:00:11,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491922927] [2020-10-13 23:00:11,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 23:00:11,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 23:00:11,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 23:00:11,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-13 23:00:11,258 INFO L87 Difference]: Start difference. First operand 2786 states and 3737 transitions. Second operand 14 states. [2020-10-13 23:00:11,608 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-10-13 23:00:23,113 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-13 23:00:23,772 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-13 23:00:24,300 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-13 23:00:24,841 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-13 23:00:25,349 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2020-10-13 23:00:38,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 23:00:38,544 INFO L93 Difference]: Finished difference Result 3672 states and 5168 transitions. [2020-10-13 23:00:38,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 23:00:38,545 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 156 [2020-10-13 23:00:38,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 23:00:38,563 INFO L225 Difference]: With dead ends: 3672 [2020-10-13 23:00:38,563 INFO L226 Difference]: Without dead ends: 3669 [2020-10-13 23:00:38,565 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=171, Invalid=429, Unknown=0, NotChecked=0, Total=600 [2020-10-13 23:00:38,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3669 states. [2020-10-13 23:00:39,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3669 to 2786. [2020-10-13 23:00:39,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2786 states. [2020-10-13 23:00:39,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2786 states to 2786 states and 3737 transitions. [2020-10-13 23:00:39,166 INFO L78 Accepts]: Start accepts. Automaton has 2786 states and 3737 transitions. Word has length 156 [2020-10-13 23:00:39,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 23:00:39,166 INFO L479 AbstractCegarLoop]: Abstraction has 2786 states and 3737 transitions. [2020-10-13 23:00:39,166 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 23:00:39,167 INFO L276 IsEmpty]: Start isEmpty. Operand 2786 states and 3737 transitions. [2020-10-13 23:00:39,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-13 23:00:39,178 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 23:00:39,179 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 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] [2020-10-13 23:00:39,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 23:00:39,179 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 23:00:39,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 23:00:39,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1271236789, now seen corresponding path program 1 times [2020-10-13 23:00:39,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 23:00:39,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [796551730] [2020-10-13 23:00:39,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 23:00:39,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:39,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:39,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:40,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking...