/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 02:15:36,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 02:15:36,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 02:15:36,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 02:15:36,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 02:15:36,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 02:15:36,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 02:15:36,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 02:15:36,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 02:15:36,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 02:15:36,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 02:15:36,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 02:15:36,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 02:15:36,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 02:15:36,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 02:15:36,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 02:15:36,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 02:15:36,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 02:15:36,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 02:15:36,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 02:15:36,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 02:15:36,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 02:15:36,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 02:15:36,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 02:15:36,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 02:15:36,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 02:15:36,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 02:15:36,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 02:15:36,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 02:15:36,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-10-28 02:15:36,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 02:15:36,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 02:15:36,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 02:15:36,136 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-28 02:15:36,162 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 02:15:36,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 02:15:36,164 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 02:15:36,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 02:15:36,165 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 02:15:36,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 02:15:36,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 02:15:36,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 02:15:36,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 02:15:36,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 02:15:36,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 02:15:36,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 02:15:36,167 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 02:15:36,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 02:15:36,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 02:15:36,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 02:15:36,168 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 02:15:36,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 02:15:36,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 02:15:36,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 02:15:36,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 02:15:36,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 02:15:36,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 02:15:36,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 02:15:36,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 02:15:36,170 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 02:15:36,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 02:15:36,171 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 02:15:36,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 02:15:36,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 02:15:36,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 02:15:36,563 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 02:15:36,564 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 02:15:36,565 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2020-10-28 02:15:36,638 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bfbc86674/62529960a14142b483e6ab47b7b37c6b/FLAG514f39c15 [2020-10-28 02:15:37,663 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 02:15:37,664 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2020-10-28 02:15:37,723 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bfbc86674/62529960a14142b483e6ab47b7b37c6b/FLAG514f39c15 [2020-10-28 02:15:38,045 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bfbc86674/62529960a14142b483e6ab47b7b37c6b [2020-10-28 02:15:38,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 02:15:38,058 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 02:15:38,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 02:15:38,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 02:15:38,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 02:15:38,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:15:38" (1/1) ... [2020-10-28 02:15:38,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc896fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:15:38, skipping insertion in model container [2020-10-28 02:15:38,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:15:38" (1/1) ... [2020-10-28 02:15:38,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 02:15:38,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 02:15:39,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 02:15:39,686 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 02:15:40,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 02:15:40,428 INFO L208 MainTranslator]: Completed translation [2020-10-28 02:15:40,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:15:40 WrapperNode [2020-10-28 02:15:40,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 02:15:40,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 02:15:40,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 02:15:40,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 02:15:40,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:15:40" (1/1) ... [2020-10-28 02:15:40,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:15:40" (1/1) ... [2020-10-28 02:15:40,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:15:40" (1/1) ... [2020-10-28 02:15:40,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:15:40" (1/1) ... [2020-10-28 02:15:40,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:15:40" (1/1) ... [2020-10-28 02:15:40,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:15:40" (1/1) ... [2020-10-28 02:15:40,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:15:40" (1/1) ... [2020-10-28 02:15:40,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 02:15:40,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 02:15:40,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 02:15:40,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 02:15:40,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:15:40" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 02:15:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 02:15:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 02:15:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2020-10-28 02:15:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 02:15:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 02:15:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive_int [2020-10-28 02:15:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 02:15:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-28 02:15:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-28 02:15:40,879 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-28 02:15:40,879 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-28 02:15:40,879 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-28 02:15:40,880 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-28 02:15:40,880 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-28 02:15:40,880 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-28 02:15:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2020-10-28 02:15:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-28 02:15:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2020-10-28 02:15:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-28 02:15:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 02:15:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-28 02:15:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 02:15:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 02:15:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 02:15:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 02:15:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-10-28 02:15:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2020-10-28 02:15:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-10-28 02:15:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-28 02:15:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice [2020-10-28 02:15:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2020-10-28 02:15:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2020-10-28 02:15:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-10-28 02:15:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-10-28 02:15:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-10-28 02:15:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-10-28 02:15:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2020-10-28 02:15:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2020-10-28 02:15:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2020-10-28 02:15:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_alloc_bufs [2020-10-28 02:15:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2020-10-28 02:15:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_realloc_bufs [2020-10-28 02:15:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_lock [2020-10-28 02:15:40,887 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2020-10-28 02:15:40,887 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2020-10-28 02:15:40,887 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_encaps [2020-10-28 02:15:40,887 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_write_wakeup [2020-10-28 02:15:40,887 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_tx_timeout [2020-10-28 02:15:40,887 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_xmit [2020-10-28 02:15:40,887 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_close [2020-10-28 02:15:40,887 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_open [2020-10-28 02:15:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_change_mtu [2020-10-28 02:15:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_get_stats64 [2020-10-28 02:15:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_init [2020-10-28 02:15:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_uninit [2020-10-28 02:15:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_netdev [2020-10-28 02:15:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_setup [2020-10-28 02:15:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_receive_buf [2020-10-28 02:15:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_sync [2020-10-28 02:15:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_alloc [2020-10-28 02:15:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_open [2020-10-28 02:15:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2020-10-28 02:15:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_hangup [2020-10-28 02:15:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_esc [2020-10-28 02:15:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_unesc [2020-10-28 02:15:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_esc6 [2020-10-28 02:15:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_unesc6 [2020-10-28 02:15:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2020-10-28 02:15:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_compat_ioctl [2020-10-28 02:15:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2020-10-28 02:15:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_init [2020-10-28 02:15:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_exit [2020-10-28 02:15:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_outfill [2020-10-28 02:15:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_keepalive [2020-10-28 02:15:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 02:15:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sl_alloc_bufs_1 [2020-10-28 02:15:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdevice_2 [2020-10-28 02:15:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_slip_open_3 [2020-10-28 02:15:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 02:15:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_callback_ret_val [2020-10-28 02:15:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2020-10-28 02:15:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-28 02:15:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-28 02:15:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-28 02:15:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2020-10-28 02:15:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-28 02:15:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2020-10-28 02:15:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2020-10-28 02:15:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2020-10-28 02:15:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-10-28 02:15:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2020-10-28 02:15:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2020-10-28 02:15:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2020-10-28 02:15:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2020-10-28 02:15:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2020-10-28 02:15:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2020-10-28 02:15:40,900 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-10-28 02:15:40,900 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2020-10-28 02:15:40,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 02:15:40,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-28 02:15:40,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-28 02:15:40,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 02:15:40,900 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-28 02:15:40,901 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2020-10-28 02:15:40,901 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2020-10-28 02:15:40,901 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2020-10-28 02:15:40,901 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2020-10-28 02:15:40,902 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 02:15:40,902 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice [2020-10-28 02:15:40,902 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2020-10-28 02:15:40,902 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2020-10-28 02:15:40,902 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-28 02:15:40,902 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_compress [2020-10-28 02:15:40,903 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2020-10-28 02:15:40,903 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2020-10-28 02:15:40,903 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_remember [2020-10-28 02:15:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_uncompress [2020-10-28 02:15:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_chars_in_buffer [2020-10-28 02:15:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2020-10-28 02:15:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2020-10-28 02:15:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_mode_ioctl [2020-10-28 02:15:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2020-10-28 02:15:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2020-10-28 02:15:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-10-28 02:15:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_queue [2020-10-28 02:15:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-28 02:15:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 02:15:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 02:15:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 02:15:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 02:15:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 02:15:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 02:15:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 02:15:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 02:15:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 02:15:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 02:15:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 02:15:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive_int [2020-10-28 02:15:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_callback_ret_val [2020-10-28 02:15:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-28 02:15:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-28 02:15:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-28 02:15:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-28 02:15:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-28 02:15:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 02:15:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 02:15:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-28 02:15:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-28 02:15:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-28 02:15:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-28 02:15:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-28 02:15:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2020-10-28 02:15:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-28 02:15:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-28 02:15:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-28 02:15:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2020-10-28 02:15:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-28 02:15:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2020-10-28 02:15:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-28 02:15:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-28 02:15:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2020-10-28 02:15:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-28 02:15:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2020-10-28 02:15:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2020-10-28 02:15:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2020-10-28 02:15:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2020-10-28 02:15:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2020-10-28 02:15:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2020-10-28 02:15:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2020-10-28 02:15:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-28 02:15:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-28 02:15:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-10-28 02:15:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure tty_chars_in_buffer [2020-10-28 02:15:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2020-10-28 02:15:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure tty_mode_ioctl [2020-10-28 02:15:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2020-10-28 02:15:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2020-10-28 02:15:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2020-10-28 02:15:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 02:15:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 02:15:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 02:15:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-28 02:15:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 02:15:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 02:15:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 02:15:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 02:15:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 02:15:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 02:15:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2020-10-28 02:15:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-28 02:15:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-10-28 02:15:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 02:15:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 02:15:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2020-10-28 02:15:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2020-10-28 02:15:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-10-28 02:15:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-28 02:15:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2020-10-28 02:15:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice [2020-10-28 02:15:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdevice_2 [2020-10-28 02:15:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_queue [2020-10-28 02:15:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice [2020-10-28 02:15:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-10-28 02:15:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2020-10-28 02:15:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2020-10-28 02:15:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2020-10-28 02:15:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2020-10-28 02:15:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-10-28 02:15:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-10-28 02:15:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-10-28 02:15:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-10-28 02:15:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2020-10-28 02:15:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2020-10-28 02:15:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2020-10-28 02:15:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2020-10-28 02:15:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2020-10-28 02:15:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2020-10-28 02:15:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-10-28 02:15:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2020-10-28 02:15:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2020-10-28 02:15:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2020-10-28 02:15:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2020-10-28 02:15:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_compress [2020-10-28 02:15:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_uncompress [2020-10-28 02:15:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_remember [2020-10-28 02:15:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure slip_esc [2020-10-28 02:15:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure slip_unesc [2020-10-28 02:15:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure slip_esc6 [2020-10-28 02:15:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure slip_unesc6 [2020-10-28 02:15:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure sl_keepalive [2020-10-28 02:15:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure sl_outfill [2020-10-28 02:15:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2020-10-28 02:15:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure sl_alloc_bufs [2020-10-28 02:15:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sl_alloc_bufs_1 [2020-10-28 02:15:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2020-10-28 02:15:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 02:15:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure sl_realloc_bufs [2020-10-28 02:15:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 02:15:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 02:15:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure sl_lock [2020-10-28 02:15:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2020-10-28 02:15:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2020-10-28 02:15:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure sl_encaps [2020-10-28 02:15:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2020-10-28 02:15:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 02:15:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure slip_write_wakeup [2020-10-28 02:15:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure sl_tx_timeout [2020-10-28 02:15:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure sl_xmit [2020-10-28 02:15:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure sl_close [2020-10-28 02:15:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure sl_open [2020-10-28 02:15:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure sl_change_mtu [2020-10-28 02:15:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure sl_get_stats64 [2020-10-28 02:15:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure sl_init [2020-10-28 02:15:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure sl_uninit [2020-10-28 02:15:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_netdev [2020-10-28 02:15:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure sl_setup [2020-10-28 02:15:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure slip_receive_buf [2020-10-28 02:15:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure sl_sync [2020-10-28 02:15:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure sl_alloc [2020-10-28 02:15:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure slip_open [2020-10-28 02:15:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_slip_open_3 [2020-10-28 02:15:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2020-10-28 02:15:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure slip_hangup [2020-10-28 02:15:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2020-10-28 02:15:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure slip_compat_ioctl [2020-10-28 02:15:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure slip_init [2020-10-28 02:15:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure slip_exit [2020-10-28 02:15:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 02:15:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-28 02:15:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 02:15:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-28 02:15:40,932 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 02:15:40,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 02:15:40,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 02:15:40,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-28 02:15:40,932 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 02:15:40,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 02:15:40,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 02:15:40,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 02:15:40,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 02:15:40,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 02:15:40,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 02:15:40,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 02:15:40,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 02:15:41,876 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 02:15:44,668 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 02:15:44,668 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 02:15:44,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:15:44 BoogieIcfgContainer [2020-10-28 02:15:44,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 02:15:44,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 02:15:44,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 02:15:44,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 02:15:44,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 02:15:38" (1/3) ... [2020-10-28 02:15:44,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2578694f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:15:44, skipping insertion in model container [2020-10-28 02:15:44,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:15:40" (2/3) ... [2020-10-28 02:15:44,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2578694f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:15:44, skipping insertion in model container [2020-10-28 02:15:44,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:15:44" (3/3) ... [2020-10-28 02:15:44,683 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2020-10-28 02:15:44,698 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 02:15:44,704 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 02:15:44,718 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 02:15:44,755 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 02:15:44,755 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 02:15:44,755 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 02:15:44,755 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 02:15:44,755 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 02:15:44,756 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 02:15:44,756 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 02:15:44,756 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 02:15:44,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states. [2020-10-28 02:15:44,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-28 02:15:44,820 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:15:44,821 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 02:15:44,821 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:15:44,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:15:44,828 INFO L82 PathProgramCache]: Analyzing trace with hash -500830800, now seen corresponding path program 1 times [2020-10-28 02:15:44,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:15:44,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [348541201] [2020-10-28 02:15:44,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:15:45,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:15:45,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:15:46,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:15:48,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:15:48,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-28 02:15:48,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 02:15:48,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3630 [2020-10-28 02:15:48,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:15:48,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 02:15:48,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-10-28 02:15:48,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 02:15:48,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 02:15:49,349 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-28 02:15:49,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:15:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:15:49,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:15:49,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:15:49,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:15:49,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:15:49,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-28 02:15:49,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:15:49,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:15:49,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:15:49,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:15:49,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:15:49,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:15:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:15:49,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:15:49,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:15:49,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 02:15:49,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:15:49,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 02:15:49,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:15:49,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:15:49,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:15:49,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:15:49,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:15:49,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:15:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:15:49,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:15:49,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:15:49,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:15:49,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:15:49,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 02:15:49,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:15:49,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:15:49,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:15:49,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:15:49,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:15:49,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 02:15:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:15:49,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:15:49,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:15:49,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:15:49,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:15:49,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 02:15:49,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:15:49,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:15:49,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:15:49,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:15:49,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:15:49,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 02:15:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:15:49,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:15:49,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:15:49,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:15:49,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:15:49,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 02:15:49,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:15:49,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:15:49,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:15:49,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:15:49,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:15:49,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 02:15:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:15:49,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:15:49,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:15:49,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 02:15:49,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:15:49,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 02:15:49,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:15:49,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:15:49,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:15:49,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:15:49,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:15:49,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 02:15:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:15:49,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:15:49,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:15:49,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 02:15:49,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:15:49,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 02:15:49,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:15:49,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:15:49,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:15:49,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:15:49,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:15:49,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:15:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:15:49,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:15:49,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:15:49,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 02:15:49,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:15:49,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 02:15:49,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:15:49,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:15:49,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:15:49,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:15:49,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:15:49,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:15:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:15:49,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:15:49,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:15:49,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 02:15:49,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:15:49,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 02:15:49,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:15:49,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:15:49,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:15:49,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:15:49,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:15:49,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:15:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:15:49,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:15:49,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:15:49,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:15:49,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:15:49,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 02:15:49,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:15:49,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:15:49,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:15:49,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:15:49,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:15:49,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 02:15:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:15:49,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:15:49,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:15:49,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:15:49,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:15:49,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 02:15:49,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:15:49,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:15:49,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:15:49,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:15:49,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:15:49,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 02:15:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:15:49,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:15:49,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:15:49,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 02:15:49,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:15:49,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 02:15:49,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:15:49,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 02:15:49,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:15:49,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 02:15:49,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:15:49,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:15:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:15:49,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:15:49,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:15:49,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:15:49,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:15:49,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 02:15:49,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:15:49,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:15:49,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:15:49,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:15:49,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:15:49,865 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-28 02:15:49,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [348541201] [2020-10-28 02:15:49,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:15:49,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 02:15:49,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371763237] [2020-10-28 02:15:49,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 02:15:49,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:15:49,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 02:15:49,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-28 02:15:49,893 INFO L87 Difference]: Start difference. First operand 1248 states. Second operand 11 states. [2020-10-28 02:15:50,295 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 02:15:56,023 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-28 02:15:56,923 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-28 02:15:57,495 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-28 02:15:58,181 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-28 02:15:58,761 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-28 02:16:11,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:16:11,156 INFO L93 Difference]: Finished difference Result 2735 states and 3857 transitions. [2020-10-28 02:16:11,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 02:16:11,158 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 90 [2020-10-28 02:16:11,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:16:11,196 INFO L225 Difference]: With dead ends: 2735 [2020-10-28 02:16:11,196 INFO L226 Difference]: Without dead ends: 1435 [2020-10-28 02:16:11,210 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-10-28 02:16:11,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1435 states. [2020-10-28 02:16:11,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1435 to 1199. [2020-10-28 02:16:11,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1199 states. [2020-10-28 02:16:11,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1199 states and 1641 transitions. [2020-10-28 02:16:11,560 INFO L78 Accepts]: Start accepts. Automaton has 1199 states and 1641 transitions. Word has length 90 [2020-10-28 02:16:11,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:16:11,561 INFO L481 AbstractCegarLoop]: Abstraction has 1199 states and 1641 transitions. [2020-10-28 02:16:11,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 02:16:11,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1641 transitions. [2020-10-28 02:16:11,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-28 02:16:11,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:16:11,569 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 02:16:11,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 02:16:11,570 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:16:11,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:16:11,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1744292051, now seen corresponding path program 1 times [2020-10-28 02:16:11,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:16:11,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [681199239] [2020-10-28 02:16:11,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:16:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:11,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:12,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:14,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:14,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 02:16:14,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 02:16:14,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2986 [2020-10-28 02:16:14,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:14,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 02:16:14,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 112 [2020-10-28 02:16:14,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 02:16:14,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:16:15,100 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-28 02:16:15,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:16:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:15,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:15,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:15,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:16:15,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:15,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-28 02:16:15,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:15,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:16:15,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:15,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:16:15,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:16:15,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:16:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:15,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:15,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:15,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 02:16:15,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:15,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 02:16:15,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:15,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:16:15,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:15,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:16:15,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:16:15,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:16:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:15,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:15,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:15,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:16:15,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:15,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 02:16:15,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:15,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:16:15,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:15,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:16:15,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:16:15,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 02:16:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:15,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:15,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:15,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:16:15,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:15,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 02:16:15,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:15,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:16:15,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:15,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:16:15,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:16:15,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 02:16:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:15,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:15,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:15,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:16:15,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:15,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 02:16:15,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:15,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:16:15,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:15,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:16:15,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:16:15,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 02:16:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:15,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:15,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:15,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 02:16:15,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:15,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 02:16:15,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:15,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:16:15,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:15,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:16:15,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:16:15,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 02:16:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:15,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:15,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:15,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 02:16:15,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:15,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 02:16:15,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:15,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:16:15,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:15,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:16:15,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 02:16:15,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:16:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:15,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:15,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:15,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 02:16:15,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:15,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 02:16:15,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:15,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:16:15,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:15,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:16:15,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:16:15,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:16:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:15,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:15,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:15,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 02:16:15,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:15,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 02:16:15,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:15,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:16:15,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:15,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:16:15,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:16:15,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:16:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:15,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:15,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:15,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:16:15,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:15,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 02:16:15,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:15,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:16:15,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:15,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:16:15,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 02:16:15,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 02:16:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:15,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:15,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:15,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:16:15,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:15,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 02:16:15,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:15,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:16:15,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:15,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:16:15,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:16:15,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 02:16:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:15,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:15,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:15,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 02:16:15,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:15,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 02:16:15,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:15,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 02:16:15,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:15,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 02:16:15,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:16:15,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:16:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:15,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:15,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:15,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:16:15,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:15,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 02:16:15,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:15,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:16:15,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:15,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:16:15,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:16:15,568 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-28 02:16:15,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [681199239] [2020-10-28 02:16:15,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:16:15,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 02:16:15,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555453256] [2020-10-28 02:16:15,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 02:16:15,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:16:15,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 02:16:15,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-28 02:16:15,572 INFO L87 Difference]: Start difference. First operand 1199 states and 1641 transitions. Second operand 11 states. [2020-10-28 02:16:15,924 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 02:16:24,832 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-28 02:16:25,733 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-28 02:16:26,282 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-28 02:16:26,863 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-28 02:16:27,435 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-28 02:16:40,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:16:40,610 INFO L93 Difference]: Finished difference Result 1448 states and 2025 transitions. [2020-10-28 02:16:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 02:16:40,611 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 91 [2020-10-28 02:16:40,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:16:40,623 INFO L225 Difference]: With dead ends: 1448 [2020-10-28 02:16:40,623 INFO L226 Difference]: Without dead ends: 1443 [2020-10-28 02:16:40,625 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-10-28 02:16:40,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2020-10-28 02:16:40,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1199. [2020-10-28 02:16:40,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1199 states. [2020-10-28 02:16:40,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1199 states and 1641 transitions. [2020-10-28 02:16:40,835 INFO L78 Accepts]: Start accepts. Automaton has 1199 states and 1641 transitions. Word has length 91 [2020-10-28 02:16:40,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:16:40,836 INFO L481 AbstractCegarLoop]: Abstraction has 1199 states and 1641 transitions. [2020-10-28 02:16:40,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 02:16:40,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1641 transitions. [2020-10-28 02:16:40,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-28 02:16:40,855 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:16:40,855 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 02:16:40,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 02:16:40,856 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:16:40,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:16:40,857 INFO L82 PathProgramCache]: Analyzing trace with hash -992758721, now seen corresponding path program 1 times [2020-10-28 02:16:40,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:16:40,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1256125784] [2020-10-28 02:16:40,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:16:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:40,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:41,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:42,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:44,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:45,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:45,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-28 02:16:45,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 02:16:45,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-28 02:16:45,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:45,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 02:16:45,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-28 02:16:45,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 02:16:45,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:16:46,378 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-28 02:16:46,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:16:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:46,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:46,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:46,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:16:46,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:46,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-28 02:16:46,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:46,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:16:46,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:46,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:16:46,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 02:16:46,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:16:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:46,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:46,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:46,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 02:16:46,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:46,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 02:16:46,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:46,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:16:46,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:46,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:16:46,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:16:46,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:16:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:46,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:46,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:46,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:16:46,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:46,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 02:16:46,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:46,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:16:46,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:46,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:16:46,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:16:46,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 02:16:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:46,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:46,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:46,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:16:46,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:46,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 02:16:46,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:46,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:16:46,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:46,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:16:46,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:16:46,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 02:16:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:46,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:46,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:46,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:16:46,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:46,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:16:46,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:46,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:16:46,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:46,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:16:46,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 02:16:46,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 02:16:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:46,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:46,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:46,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 02:16:46,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:46,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 02:16:46,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:46,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:16:46,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:46,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:16:46,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:16:46,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 02:16:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:46,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:46,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:46,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 02:16:46,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:46,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 02:16:46,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:46,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:16:46,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:46,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:16:46,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:16:46,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:16:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:46,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:46,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:46,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 02:16:46,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:46,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 02:16:46,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:46,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:16:46,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:46,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:16:46,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:16:46,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:16:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:46,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:46,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:46,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 02:16:46,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:46,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 02:16:46,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:46,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:16:46,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:46,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:16:46,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:16:46,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:16:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:46,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:46,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:46,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:16:46,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:46,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 02:16:46,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:46,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:16:46,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:46,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:16:46,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:16:46,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 02:16:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:46,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:46,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:46,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:16:46,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:46,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 02:16:46,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:46,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:16:46,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:46,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:16:46,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:16:46,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 02:16:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:46,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:46,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:46,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-28 02:16:46,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:46,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 02:16:46,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:46,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 02:16:46,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:46,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 02:16:46,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:16:46,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:16:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:46,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:46,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:46,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:16:46,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:46,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 02:16:46,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:46,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:16:46,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:46,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:16:46,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:16:46,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 02:16:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:46,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:46,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:46,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:16:46,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:46,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:16:46,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:46,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:16:46,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:46,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:16:46,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:16:46,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 02:16:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:46,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:46,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:46,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:16:46,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:46,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:16:46,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:46,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:16:46,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:46,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:16:46,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:16:46,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 02:16:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:16:46,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:16:46,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:16:46,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:16:46,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:16:46,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 02:16:46,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:16:46,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:16:46,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:16:46,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 02:16:46,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:16:46,953 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-28 02:16:46,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1256125784] [2020-10-28 02:16:46,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:16:46,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 02:16:46,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394699692] [2020-10-28 02:16:46,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 02:16:46,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:16:46,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 02:16:46,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-28 02:16:46,957 INFO L87 Difference]: Start difference. First operand 1199 states and 1641 transitions. Second operand 12 states. [2020-10-28 02:16:47,328 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 02:16:59,904 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-28 02:17:01,373 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-28 02:17:02,025 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-28 02:17:02,574 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-28 02:17:03,067 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-28 02:17:03,582 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-28 02:17:14,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:17:14,706 INFO L93 Difference]: Finished difference Result 1444 states and 2020 transitions. [2020-10-28 02:17:14,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 02:17:14,710 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 106 [2020-10-28 02:17:14,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:17:14,721 INFO L225 Difference]: With dead ends: 1444 [2020-10-28 02:17:14,722 INFO L226 Difference]: Without dead ends: 1439 [2020-10-28 02:17:14,723 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2020-10-28 02:17:14,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1439 states. [2020-10-28 02:17:14,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1439 to 1201. [2020-10-28 02:17:14,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1201 states. [2020-10-28 02:17:14,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1644 transitions. [2020-10-28 02:17:14,918 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1644 transitions. Word has length 106 [2020-10-28 02:17:14,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:17:14,918 INFO L481 AbstractCegarLoop]: Abstraction has 1201 states and 1644 transitions. [2020-10-28 02:17:14,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 02:17:14,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1644 transitions. [2020-10-28 02:17:14,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-28 02:17:14,930 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:17:14,931 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 02:17:14,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 02:17:14,931 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:17:14,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:17:14,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1925729216, now seen corresponding path program 1 times [2020-10-28 02:17:14,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:17:14,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1355685756] [2020-10-28 02:17:14,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:17:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:15,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:15,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:15,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:18,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:20,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:20,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-28 02:17:20,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 02:17:20,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-28 02:17:20,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:20,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 02:17:20,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-28 02:17:20,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 02:17:20,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:20,461 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-28 02:17:20,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:17:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:20,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:20,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:20,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:17:20,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:20,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 02:17:20,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:20,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:20,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:20,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:20,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:20,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:17:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:20,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:20,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:20,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 02:17:20,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:20,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 02:17:20,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:20,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:20,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:20,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:20,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:20,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:17:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:20,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:20,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:20,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:17:20,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:20,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:17:20,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:20,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:20,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:20,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:20,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:20,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 02:17:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:20,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:20,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:20,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:17:20,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:20,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 02:17:20,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:20,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:20,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:20,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:20,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:20,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 02:17:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:20,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:20,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:20,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:17:20,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:20,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:17:20,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:20,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:20,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:20,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:20,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:20,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 02:17:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:20,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:20,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:20,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 02:17:20,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:20,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 02:17:20,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:20,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:20,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:20,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:20,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:20,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 02:17:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:20,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:20,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:20,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 02:17:20,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:20,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 02:17:20,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:20,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:20,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:20,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:20,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:20,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:17:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:20,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:20,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:20,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 02:17:20,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:20,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 02:17:20,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:20,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:20,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:20,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:20,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:20,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:17:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:20,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:20,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:20,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 02:17:20,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:20,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 02:17:20,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:20,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:20,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:20,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:20,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:20,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:17:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:20,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:20,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:20,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:17:20,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:20,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:17:20,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:20,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:20,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:20,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:20,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:20,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 02:17:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:20,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:20,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:20,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:17:20,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:20,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 02:17:20,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:20,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:20,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:20,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:20,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:20,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 02:17:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:20,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:20,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:20,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 02:17:20,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:20,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-28 02:17:20,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:20,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 02:17:20,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:20,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-28 02:17:20,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:20,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:17:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:20,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:20,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:20,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:17:20,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:20,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:17:20,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:20,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:20,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:20,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:20,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:20,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 02:17:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:20,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:20,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:20,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:17:20,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:20,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:17:20,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:20,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:20,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:20,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:20,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:20,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 02:17:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:20,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:20,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:20,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:17:20,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:20,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 02:17:20,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:20,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:20,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:20,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:20,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:20,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 02:17:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:20,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:20,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:20,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:17:20,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:20,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 02:17:20,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:20,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:17:20,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:20,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 02:17:20,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:20,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 02:17:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:20,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:20,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:20,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:17:20,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:20,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 02:17:20,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:20,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:17:20,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:20,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 02:17:20,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:20,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 02:17:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:20,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:20,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:20,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:17:20,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:20,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 02:17:20,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:21,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:17:21,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:21,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 02:17:21,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:21,034 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-28 02:17:21,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1355685756] [2020-10-28 02:17:21,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:17:21,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 02:17:21,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137922015] [2020-10-28 02:17:21,035 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 02:17:21,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:17:21,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 02:17:21,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-28 02:17:21,036 INFO L87 Difference]: Start difference. First operand 1201 states and 1644 transitions. Second operand 12 states. [2020-10-28 02:17:21,407 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 02:17:31,682 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-28 02:17:34,032 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-28 02:17:34,471 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-28 02:17:47,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:17:47,192 INFO L93 Difference]: Finished difference Result 1456 states and 2038 transitions. [2020-10-28 02:17:47,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 02:17:47,193 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 118 [2020-10-28 02:17:47,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:17:47,204 INFO L225 Difference]: With dead ends: 1456 [2020-10-28 02:17:47,204 INFO L226 Difference]: Without dead ends: 1451 [2020-10-28 02:17:47,205 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2020-10-28 02:17:47,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2020-10-28 02:17:47,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 1201. [2020-10-28 02:17:47,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1201 states. [2020-10-28 02:17:47,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1644 transitions. [2020-10-28 02:17:47,412 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1644 transitions. Word has length 118 [2020-10-28 02:17:47,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:17:47,413 INFO L481 AbstractCegarLoop]: Abstraction has 1201 states and 1644 transitions. [2020-10-28 02:17:47,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 02:17:47,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1644 transitions. [2020-10-28 02:17:47,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-28 02:17:47,420 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:17:47,421 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 02:17:47,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 02:17:47,421 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:17:47,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:17:47,422 INFO L82 PathProgramCache]: Analyzing trace with hash 386915181, now seen corresponding path program 1 times [2020-10-28 02:17:47,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:17:47,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [360967919] [2020-10-28 02:17:47,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:17:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:47,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:47,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:47,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:47,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:50,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:52,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:52,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-28 02:17:52,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 02:17:52,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-28 02:17:52,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:52,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:17:52,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 154 [2020-10-28 02:17:52,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 02:17:52,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:52,937 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-28 02:17:52,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:17:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:52,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:53,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:53,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:17:53,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:53,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-28 02:17:53,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:53,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:53,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:53,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:53,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:53,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:17:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:53,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:53,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:53,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 02:17:53,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:53,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 02:17:53,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:53,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:53,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:53,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:53,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:53,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:17:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:53,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:53,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:53,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:17:53,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:53,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 02:17:53,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:53,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:53,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:53,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:53,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:53,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 02:17:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:53,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:53,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:53,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:17:53,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:53,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 02:17:53,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:53,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:53,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:53,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:53,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:53,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 02:17:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:53,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:53,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:53,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:17:53,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:53,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:17:53,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:53,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:53,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:53,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:53,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:53,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 02:17:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:53,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:53,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:53,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 02:17:53,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:53,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 02:17:53,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:53,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:53,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:53,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:53,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:53,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 02:17:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:53,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:53,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:53,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 02:17:53,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:53,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 02:17:53,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:53,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:53,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:53,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:53,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:53,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:17:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:53,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:53,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:53,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 02:17:53,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:53,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 02:17:53,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:53,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:53,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:53,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:53,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:53,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:17:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:53,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:53,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:53,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 02:17:53,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:53,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 02:17:53,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:53,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:53,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:53,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:53,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:53,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:17:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:53,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:53,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:53,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:17:53,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:53,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 02:17:53,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:53,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:53,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:53,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:53,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:53,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 02:17:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:53,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:53,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:53,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:17:53,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:53,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:17:53,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:53,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:53,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:53,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:53,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:53,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 02:17:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:53,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:53,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:53,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:53,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 02:17:53,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 02:17:53,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 413 [2020-10-28 02:17:53,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:17:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-28 02:17:53,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 02:17:53,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:53,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:17:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:53,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:53,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:53,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:17:53,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:53,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 02:17:53,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:53,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:53,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:53,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:53,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:53,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 02:17:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:53,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:53,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:53,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:17:53,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:53,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:17:53,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:53,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:53,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:53,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:53,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:53,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 02:17:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:53,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:53,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:53,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:17:53,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:53,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 02:17:53,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:53,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:53,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:53,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:53,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:53,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 02:17:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:53,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:53,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:53,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:17:53,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:53,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 02:17:53,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:53,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:53,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:53,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:53,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:53,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 02:17:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:53,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:53,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:53,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:17:53,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:53,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 02:17:53,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:53,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:53,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:53,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:53,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:53,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 02:17:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:53,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:53,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:53,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:17:53,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:53,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 02:17:53,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:53,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:53,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:17:53,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:53,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:53,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 02:17:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:53,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:53,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:53,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 02:17:53,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:53,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 02:17:53,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:53,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:17:53,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 02:17:53,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 02:17:53,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:53,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 02:17:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:53,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:53,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:53,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:17:53,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:53,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 02:17:53,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:53,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:53,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 02:17:53,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:53,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:53,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 02:17:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:17:53,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:17:53,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:17:53,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:17:53,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:17:53,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:17:53,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:17:53,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:17:53,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 02:17:53,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:17:53,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:17:53,875 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-28 02:17:53,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [360967919] [2020-10-28 02:17:53,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:17:53,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 02:17:53,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251553279] [2020-10-28 02:17:53,878 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 02:17:53,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:17:53,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 02:17:53,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 02:17:53,879 INFO L87 Difference]: Start difference. First operand 1201 states and 1644 transitions. Second operand 7 states. [2020-10-28 02:17:54,253 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 02:18:03,929 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 02:18:14,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:18:14,047 INFO L93 Difference]: Finished difference Result 2600 states and 3628 transitions. [2020-10-28 02:18:14,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 02:18:14,048 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 140 [2020-10-28 02:18:14,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:18:14,058 INFO L225 Difference]: With dead ends: 2600 [2020-10-28 02:18:14,059 INFO L226 Difference]: Without dead ends: 1435 [2020-10-28 02:18:14,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-28 02:18:14,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1435 states. [2020-10-28 02:18:14,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1435 to 1201. [2020-10-28 02:18:14,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1201 states. [2020-10-28 02:18:14,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1641 transitions. [2020-10-28 02:18:14,294 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1641 transitions. Word has length 140 [2020-10-28 02:18:14,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:18:14,294 INFO L481 AbstractCegarLoop]: Abstraction has 1201 states and 1641 transitions. [2020-10-28 02:18:14,294 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 02:18:14,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1641 transitions. [2020-10-28 02:18:14,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-28 02:18:14,301 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:18:14,302 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 02:18:14,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 02:18:14,302 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:18:14,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:18:14,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1874135737, now seen corresponding path program 1 times [2020-10-28 02:18:14,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:18:14,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1443977876] [2020-10-28 02:18:14,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:18:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:14,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:14,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:14,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:14,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:19,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:19,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-28 02:18:19,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 02:18:19,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-28 02:18:19,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:19,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 02:18:19,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 139 [2020-10-28 02:18:19,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 02:18:19,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:19,914 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-28 02:18:19,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:18:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:19,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:19,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:19,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:18:19,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:19,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-28 02:18:19,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:19,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:19,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:19,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:19,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:20,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:18:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:20,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:20,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:20,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 02:18:20,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:20,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 02:18:20,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:20,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:20,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:20,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:20,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:20,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:18:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:20,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:20,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:20,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:18:20,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:20,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 02:18:20,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:20,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:20,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:20,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:20,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:20,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 02:18:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:20,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:20,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:20,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:18:20,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:20,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 02:18:20,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:20,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:20,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:20,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:20,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:20,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 02:18:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:20,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:20,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:20,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:18:20,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:20,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:18:20,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:20,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:20,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:20,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:20,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:20,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 02:18:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:20,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:20,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:20,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 02:18:20,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:20,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 02:18:20,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:20,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:20,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:20,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:20,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:20,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 02:18:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:20,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:20,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:20,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 02:18:20,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:20,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 02:18:20,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:20,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:20,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:20,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:20,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:20,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:18:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:20,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:20,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:20,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 02:18:20,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:20,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 02:18:20,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:20,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:20,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:20,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:20,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:20,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:18:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:20,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:20,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:20,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 02:18:20,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:20,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 02:18:20,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:20,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:20,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:18:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:20,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:20,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:20,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:18:20,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:20,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:18:20,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:20,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:20,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 02:18:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:20,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:20,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:20,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:18:20,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:20,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 02:18:20,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:20,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:20,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:20,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:20,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:20,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 02:18:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:20,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:20,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:20,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-28 02:18:20,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:20,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-28 02:18:20,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:20,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 02:18:20,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-28 02:18:20,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 02:18:20,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:20,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:18:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:20,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:20,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:20,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:18:20,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:20,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 02:18:20,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:20,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:20,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:20,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:20,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:20,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 02:18:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:20,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:20,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:20,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:18:20,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:20,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:18:20,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:20,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:20,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:20,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:20,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:20,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 02:18:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:20,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:20,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:20,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:18:20,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:20,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 02:18:20,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:20,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:20,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:20,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:20,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:20,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 02:18:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:20,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:20,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:20,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:18:20,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:20,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:18:20,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:20,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:20,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:20,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:20,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:20,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 02:18:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:20,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:20,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:20,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:18:20,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:20,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 02:18:20,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:20,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 02:18:20,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:20,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 02:18:20,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:20,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 02:18:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:20,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:20,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:20,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:18:20,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:20,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 02:18:20,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:20,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:20,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 02:18:20,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:20,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:20,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 02:18:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:20,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:20,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:20,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 02:18:20,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:20,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 02:18:20,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:20,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:20,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 02:18:20,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:20,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:20,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 02:18:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:20,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:20,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:20,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:18:20,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:20,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 02:18:20,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:20,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:20,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 02:18:20,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:20,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:20,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 02:18:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:20,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:20,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:20,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:18:20,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:20,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:18:20,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:20,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:20,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 02:18:20,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:20,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:20,700 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-28 02:18:20,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1443977876] [2020-10-28 02:18:20,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:18:20,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 02:18:20,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595757370] [2020-10-28 02:18:20,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 02:18:20,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:18:20,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 02:18:20,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-28 02:18:20,706 INFO L87 Difference]: Start difference. First operand 1201 states and 1641 transitions. Second operand 9 states. [2020-10-28 02:18:21,085 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 02:18:39,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:18:39,574 INFO L93 Difference]: Finished difference Result 2607 states and 3619 transitions. [2020-10-28 02:18:39,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 02:18:39,576 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 143 [2020-10-28 02:18:39,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:18:39,584 INFO L225 Difference]: With dead ends: 2607 [2020-10-28 02:18:39,585 INFO L226 Difference]: Without dead ends: 1442 [2020-10-28 02:18:39,590 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-28 02:18:39,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1442 states. [2020-10-28 02:18:39,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1442 to 1205. [2020-10-28 02:18:39,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1205 states. [2020-10-28 02:18:39,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1645 transitions. [2020-10-28 02:18:39,787 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1645 transitions. Word has length 143 [2020-10-28 02:18:39,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:18:39,788 INFO L481 AbstractCegarLoop]: Abstraction has 1205 states and 1645 transitions. [2020-10-28 02:18:39,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 02:18:39,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1645 transitions. [2020-10-28 02:18:39,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-28 02:18:39,795 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:18:39,795 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 02:18:39,796 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 02:18:39,796 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:18:39,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:18:39,797 INFO L82 PathProgramCache]: Analyzing trace with hash 253016753, now seen corresponding path program 1 times [2020-10-28 02:18:39,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:18:39,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [361391031] [2020-10-28 02:18:39,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:18:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:39,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:39,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:40,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:40,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:40,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:41,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:43,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:43,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:44,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:44,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-28 02:18:44,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 02:18:44,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-28 02:18:44,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:44,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:18:44,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 142 [2020-10-28 02:18:44,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 02:18:44,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:45,281 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-28 02:18:45,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:18:45,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:45,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:45,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:45,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:18:45,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:45,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 02:18:45,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:45,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:45,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:45,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:45,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:45,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:18:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:45,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:45,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:45,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 02:18:45,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:45,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 02:18:45,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:45,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:45,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:45,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:45,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:45,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:18:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:45,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:45,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:45,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:18:45,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:45,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:18:45,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:45,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:45,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:45,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:45,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:45,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 02:18:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:45,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:45,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:45,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:18:45,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:45,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 02:18:45,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:45,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:45,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:45,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:45,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:45,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 02:18:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:45,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:45,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:45,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:18:45,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:45,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 02:18:45,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:45,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:45,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:45,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:45,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:45,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 02:18:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:45,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:45,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:45,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 02:18:45,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:45,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 02:18:45,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:45,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:45,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:45,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:45,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:45,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 02:18:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:45,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:45,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:45,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 02:18:45,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:45,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 02:18:45,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:45,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:45,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:45,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:45,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:45,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:18:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:45,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:45,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:45,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 02:18:45,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:45,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 02:18:45,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:45,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:45,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:45,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:45,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:45,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:18:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:45,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:45,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:45,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 02:18:45,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:45,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 02:18:45,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:45,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:45,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:45,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:45,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:45,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:18:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:45,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:45,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:45,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:18:45,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:45,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:18:45,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:45,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:45,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:45,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:45,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:45,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 02:18:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:45,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:45,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:45,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:18:45,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:45,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 02:18:45,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:45,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:45,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:45,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:45,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:45,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 02:18:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:45,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:45,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:45,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:45,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:47,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:47,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-28 02:18:47,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 02:18:47,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1890 [2020-10-28 02:18:47,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:47,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:18:47,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 02:18:47,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 02:18:47,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:47,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:18:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:47,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:47,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:47,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:18:47,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:47,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:18:47,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:47,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:47,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:47,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:47,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:47,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 02:18:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:47,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:47,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:47,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:18:47,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:47,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 02:18:47,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:47,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:47,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:47,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:47,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:47,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 02:18:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:47,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:47,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:47,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:18:47,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:47,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:18:47,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:47,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:47,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:47,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:47,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:47,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 02:18:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:47,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:47,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:47,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:18:47,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:47,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 02:18:47,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:47,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:47,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:18:47,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:47,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:47,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 02:18:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:47,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:47,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:47,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:47,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:47,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-28 02:18:47,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 02:18:47,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-10-28 02:18:47,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:47,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:18:47,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 02:18:47,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 02:18:47,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:47,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:18:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:47,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:47,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:47,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:18:47,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:47,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 02:18:47,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:47,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:47,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 02:18:47,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:47,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:47,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 02:18:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:47,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:47,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:47,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:18:47,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:47,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 02:18:47,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:47,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:47,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 02:18:47,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:47,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:47,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 02:18:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:47,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:47,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:47,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:18:47,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:47,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:18:47,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:47,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:47,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 02:18:47,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:47,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:47,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 02:18:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:47,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:47,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:47,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:18:47,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:47,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:18:47,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:47,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:47,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 02:18:47,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:47,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:47,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 02:18:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:47,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:47,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:47,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:18:47,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:47,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 02:18:47,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:47,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:47,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 02:18:47,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:47,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:47,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-28 02:18:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:47,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:47,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:47,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:18:47,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:47,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 02:18:47,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:47,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:47,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 02:18:47,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:47,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:47,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 02:18:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:47,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:47,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:47,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 02:18:47,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:47,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 02:18:47,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:47,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:47,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 02:18:47,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:47,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:47,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 02:18:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:47,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:47,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:47,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:18:47,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:47,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:18:47,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:47,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:47,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 02:18:47,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:47,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:47,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 02:18:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:18:47,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:18:47,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:18:47,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 02:18:47,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:18:47,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:18:47,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:18:47,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:18:47,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 02:18:47,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:18:47,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:18:48,061 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-28 02:18:48,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [361391031] [2020-10-28 02:18:48,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:18:48,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 02:18:48,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821074825] [2020-10-28 02:18:48,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 02:18:48,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:18:48,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 02:18:48,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 02:18:48,065 INFO L87 Difference]: Start difference. First operand 1205 states and 1645 transitions. Second operand 7 states. [2020-10-28 02:18:48,442 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 02:19:05,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:19:05,642 INFO L93 Difference]: Finished difference Result 2614 states and 3631 transitions. [2020-10-28 02:19:05,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 02:19:05,643 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 172 [2020-10-28 02:19:05,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:19:05,652 INFO L225 Difference]: With dead ends: 2614 [2020-10-28 02:19:05,653 INFO L226 Difference]: Without dead ends: 1445 [2020-10-28 02:19:05,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-28 02:19:05,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2020-10-28 02:19:05,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1209. [2020-10-28 02:19:05,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1209 states. [2020-10-28 02:19:05,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1651 transitions. [2020-10-28 02:19:05,842 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1651 transitions. Word has length 172 [2020-10-28 02:19:05,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:19:05,843 INFO L481 AbstractCegarLoop]: Abstraction has 1209 states and 1651 transitions. [2020-10-28 02:19:05,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 02:19:05,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1651 transitions. [2020-10-28 02:19:05,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-28 02:19:05,849 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:19:05,850 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 02:19:05,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 02:19:05,850 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:19:05,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:19:05,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1945135839, now seen corresponding path program 1 times [2020-10-28 02:19:05,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:19:05,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [647263705] [2020-10-28 02:19:05,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:19:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:19:05,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:19:05,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:19:06,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:19:06,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:19:06,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking...