/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 10:18:21,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 10:18:21,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 10:18:21,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 10:18:21,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 10:18:21,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 10:18:21,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 10:18:21,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 10:18:21,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 10:18:21,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 10:18:21,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 10:18:21,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 10:18:21,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 10:18:21,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 10:18:21,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 10:18:21,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 10:18:21,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 10:18:21,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 10:18:21,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 10:18:21,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 10:18:21,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 10:18:21,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 10:18:21,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 10:18:21,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 10:18:21,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 10:18:21,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 10:18:21,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 10:18:21,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 10:18:21,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 10:18:21,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-10-27 10:18:21,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 10:18:21,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 10:18:21,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 10:18:21,924 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-27 10:18:21,974 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 10:18:21,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 10:18:21,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 10:18:21,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 10:18:21,980 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 10:18:21,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 10:18:21,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 10:18:21,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 10:18:21,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 10:18:21,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 10:18:21,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 10:18:21,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 10:18:21,983 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 10:18:21,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 10:18:21,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 10:18:21,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 10:18:21,984 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 10:18:21,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 10:18:21,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 10:18:21,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 10:18:21,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 10:18:21,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 10:18:21,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 10:18:21,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 10:18:21,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 10:18:21,987 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 10:18:21,987 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-27 10:18:21,987 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 10:18:22,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 10:18:22,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 10:18:22,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 10:18:22,452 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 10:18:22,453 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 10:18:22,454 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i [2020-10-27 10:18:22,536 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a76bb29c9/7c6b9d9704f046d69ff7c621e2c30662/FLAGac0c8456c [2020-10-27 10:18:23,650 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 10:18:23,651 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i [2020-10-27 10:18:23,696 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a76bb29c9/7c6b9d9704f046d69ff7c621e2c30662/FLAGac0c8456c [2020-10-27 10:18:24,033 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a76bb29c9/7c6b9d9704f046d69ff7c621e2c30662 [2020-10-27 10:18:24,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 10:18:24,044 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 10:18:24,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 10:18:24,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 10:18:24,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 10:18:24,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:18:24" (1/1) ... [2020-10-27 10:18:24,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48d37572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:18:24, skipping insertion in model container [2020-10-27 10:18:24,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:18:24" (1/1) ... [2020-10-27 10:18:24,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 10:18:24,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 10:18:25,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 10:18:25,845 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 10:18:26,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 10:18:26,543 INFO L208 MainTranslator]: Completed translation [2020-10-27 10:18:26,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:18:26 WrapperNode [2020-10-27 10:18:26,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 10:18:26,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 10:18:26,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 10:18:26,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 10:18:26,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:18:26" (1/1) ... [2020-10-27 10:18:26,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:18:26" (1/1) ... [2020-10-27 10:18:26,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:18:26" (1/1) ... [2020-10-27 10:18:26,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:18:26" (1/1) ... [2020-10-27 10:18:26,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:18:26" (1/1) ... [2020-10-27 10:18:26,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:18:26" (1/1) ... [2020-10-27 10:18:26,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:18:26" (1/1) ... [2020-10-27 10:18:26,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 10:18:26,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 10:18:26,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 10:18:26,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 10:18:26,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:18:26" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 10:18:26,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 10:18:26,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 10:18:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2020-10-27 10:18:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 10:18:26,969 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-27 10:18:26,969 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-27 10:18:26,969 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-27 10:18:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-27 10:18:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-27 10:18:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-10-27 10:18:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-27 10:18:26,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-10-27 10:18:26,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2020-10-27 10:18:26,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2020-10-27 10:18:26,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2020-10-27 10:18:26,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2020-10-27 10:18:26,973 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2020-10-27 10:18:26,975 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2020-10-27 10:18:26,975 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2020-10-27 10:18:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-27 10:18:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2020-10-27 10:18:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-10-27 10:18:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2020-10-27 10:18:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-10-27 10:18:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-27 10:18:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-27 10:18:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-27 10:18:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-27 10:18:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-27 10:18:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-27 10:18:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2020-10-27 10:18:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2020-10-27 10:18:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2020-10-27 10:18:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2020-10-27 10:18:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-10-27 10:18:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2020-10-27 10:18:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-10-27 10:18:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 10:18:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 10:18:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-27 10:18:26,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-27 10:18:26,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-27 10:18:26,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-27 10:18:26,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-27 10:18:26,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-27 10:18:26,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-27 10:18:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2020-10-27 10:18:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2020-10-27 10:18:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2020-10-27 10:18:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt_byte [2020-10-27 10:18:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2020-10-27 10:18:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be32 [2020-10-27 10:18:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_get [2020-10-27 10:18:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_put [2020-10-27 10:18:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_open [2020-10-27 10:18:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_close [2020-10-27 10:18:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_hangup [2020-10-27 10:18:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_read [2020-10-27 10:18:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_write [2020-10-27 10:18:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_ioctl [2020-10-27 10:18:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_poll [2020-10-27 10:18:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_receive [2020-10-27 10:18:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_wakeup [2020-10-27 10:18:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_init [2020-10-27 10:18:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_ioctl [2020-10-27 10:18:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_process [2020-10-27 10:18:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_encode [2020-10-27 10:18:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_send [2020-10-27 10:18:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_push [2020-10-27 10:18:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_flush_output [2020-10-27 10:18:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_ordinary [2020-10-27 10:18:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure process_input_packet [2020-10-27 10:18:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_input [2020-10-27 10:18:26,985 INFO L138 BoogieDeclarations]: Found implementation of procedure async_lcp_peek [2020-10-27 10:18:26,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_cleanup [2020-10-27 10:18:26,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ppp_channel_ops_2 [2020-10-27 10:18:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_1 [2020-10-27 10:18:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 10:18:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-27 10:18:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-27 10:18:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-27 10:18:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-27 10:18:26,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-27 10:18:26,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_12 [2020-10-27 10:18:26,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2020-10-27 10:18:26,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_14 [2020-10-27 10:18:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_15 [2020-10-27 10:18:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_16 [2020-10-27 10:18:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_17 [2020-10-27 10:18:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_18 [2020-10-27 10:18:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-27 10:18:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-27 10:18:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-27 10:18:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-27 10:18:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-27 10:18:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-27 10:18:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-27 10:18:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-27 10:18:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-27 10:18:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-27 10:18:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-27 10:18:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-27 10:18:26,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-27 10:18:26,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-27 10:18:26,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-27 10:18:26,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-27 10:18:26,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-27 10:18:26,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2020-10-27 10:18:26,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2020-10-27 10:18:26,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-27 10:18:26,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2020-10-27 10:18:26,993 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-27 10:18:26,994 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-27 10:18:26,995 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2020-10-27 10:18:26,995 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2020-10-27 10:18:26,995 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2020-10-27 10:18:26,996 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2020-10-27 10:18:26,996 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-27 10:18:26,996 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2020-10-27 10:18:26,996 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2020-10-27 10:18:26,996 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-27 10:18:26,996 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irq [2020-10-27 10:18:26,997 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irq [2020-10-27 10:18:26,997 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2020-10-27 10:18:26,997 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-27 10:18:26,997 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-27 10:18:26,997 INFO L138 BoogieDeclarations]: Found implementation of procedure n_tty_ioctl_helper [2020-10-27 10:18:26,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2020-10-27 10:18:26,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input [2020-10-27 10:18:26,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input_error [2020-10-27 10:18:26,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2020-10-27 10:18:26,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_channel [2020-10-27 10:18:27,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unit_number [2020-10-27 10:18:27,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2020-10-27 10:18:27,004 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-27 10:18:27,004 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-27 10:18:27,004 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-27 10:18:27,004 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-27 10:18:27,004 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2020-10-27 10:18:27,005 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2020-10-27 10:18:27,006 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-27 10:18:27,007 INFO L138 BoogieDeclarations]: Found implementation of procedure start_tty [2020-10-27 10:18:27,007 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_tty [2020-10-27 10:18:27,007 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2020-10-27 10:18:27,008 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2020-10-27 10:18:27,013 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_mode_ioctl [2020-10-27 10:18:27,014 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2020-10-27 10:18:27,015 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2020-10-27 10:18:27,015 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2020-10-27 10:18:27,015 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unthrottle [2020-10-27 10:18:27,015 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2020-10-27 10:18:27,015 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-27 10:18:27,015 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-27 10:18:27,016 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-27 10:18:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 10:18:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 10:18:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 10:18:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 10:18:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 10:18:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 10:18:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-27 10:18:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-27 10:18:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-27 10:18:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-27 10:18:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-27 10:18:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-27 10:18:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 10:18:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-10-27 10:18:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-27 10:18:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-10-27 10:18:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2020-10-27 10:18:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2020-10-27 10:18:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2020-10-27 10:18:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2020-10-27 10:18:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-27 10:18:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-27 10:18:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-27 10:18:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2020-10-27 10:18:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 10:18:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2020-10-27 10:18:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2020-10-27 10:18:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-27 10:18:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-27 10:18:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2020-10-27 10:18:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2020-10-27 10:18:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-27 10:18:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2020-10-27 10:18:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2020-10-27 10:18:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-27 10:18:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2020-10-27 10:18:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irq [2020-10-27 10:18:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2020-10-27 10:18:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irq [2020-10-27 10:18:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-27 10:18:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2020-10-27 10:18:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-10-27 10:18:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2020-10-27 10:18:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-10-27 10:18:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-27 10:18:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-27 10:18:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 10:18:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-27 10:18:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-27 10:18:27,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-27 10:18:27,022 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-27 10:18:27,022 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-27 10:18:27,022 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-27 10:18:27,022 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2020-10-27 10:18:27,022 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2020-10-27 10:18:27,022 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-27 10:18:27,022 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-27 10:18:27,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-27 10:18:27,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-27 10:18:27,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-27 10:18:27,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-27 10:18:27,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_12 [2020-10-27 10:18:27,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2020-10-27 10:18:27,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_16 [2020-10-27 10:18:27,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_17 [2020-10-27 10:18:27,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-27 10:18:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_15 [2020-10-27 10:18:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2020-10-27 10:18:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 10:18:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2020-10-27 10:18:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 10:18:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2020-10-27 10:18:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 10:18:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2020-10-27 10:18:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_14 [2020-10-27 10:18:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2020-10-27 10:18:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-27 10:18:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-27 10:18:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-27 10:18:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-10-27 10:18:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2020-10-27 10:18:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-10-27 10:18:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-27 10:18:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2020-10-27 10:18:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_18 [2020-10-27 10:18:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-27 10:18:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-27 10:18:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 10:18:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 10:18:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 10:18:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2020-10-27 10:18:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-27 10:18:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 10:18:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 10:18:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 10:18:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-27 10:18:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-27 10:18:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-27 10:18:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-27 10:18:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-27 10:18:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-27 10:18:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ppp_channel_ops_2 [2020-10-27 10:18:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_1 [2020-10-27 10:18:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2020-10-27 10:18:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure down [2020-10-27 10:18:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure up [2020-10-27 10:18:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure stop_tty [2020-10-27 10:18:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure start_tty [2020-10-27 10:18:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unthrottle [2020-10-27 10:18:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2020-10-27 10:18:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2020-10-27 10:18:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure tty_mode_ioctl [2020-10-27 10:18:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2020-10-27 10:18:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2020-10-27 10:18:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure n_tty_ioctl_helper [2020-10-27 10:18:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2020-10-27 10:18:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2020-10-27 10:18:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2020-10-27 10:18:27,037 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2020-10-27 10:18:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt_byte [2020-10-27 10:18:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2020-10-27 10:18:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input [2020-10-27 10:18:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input_error [2020-10-27 10:18:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_channel [2020-10-27 10:18:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2020-10-27 10:18:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2020-10-27 10:18:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unit_number [2020-10-27 10:18:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2020-10-27 10:18:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be32 [2020-10-27 10:18:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_encode [2020-10-27 10:18:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_send [2020-10-27 10:18:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_push [2020-10-27 10:18:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_flush_output [2020-10-27 10:18:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_input [2020-10-27 10:18:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_ioctl [2020-10-27 10:18:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_process [2020-10-27 10:18:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure async_lcp_peek [2020-10-27 10:18:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure ap_get [2020-10-27 10:18:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure ap_put [2020-10-27 10:18:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_open [2020-10-27 10:18:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_close [2020-10-27 10:18:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_hangup [2020-10-27 10:18:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_read [2020-10-27 10:18:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_write [2020-10-27 10:18:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_ioctl [2020-10-27 10:18:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_poll [2020-10-27 10:18:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_receive [2020-10-27 10:18:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_wakeup [2020-10-27 10:18:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_init [2020-10-27 10:18:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-27 10:18:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2020-10-27 10:18:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure scan_ordinary [2020-10-27 10:18:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure process_input_packet [2020-10-27 10:18:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_cleanup [2020-10-27 10:18:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-27 10:18:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-27 10:18:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 10:18:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-27 10:18:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-27 10:18:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-27 10:18:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-27 10:18:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-27 10:18:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-27 10:18:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-27 10:18:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-27 10:18:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-27 10:18:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-27 10:18:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-27 10:18:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-27 10:18:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-27 10:18:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 10:18:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 10:18:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 10:18:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 10:18:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 10:18:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-27 10:18:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-27 10:18:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-27 10:18:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-27 10:18:28,400 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-27 10:18:32,405 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 10:18:32,405 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 10:18:32,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:18:32 BoogieIcfgContainer [2020-10-27 10:18:32,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 10:18:32,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 10:18:32,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 10:18:32,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 10:18:32,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:18:24" (1/3) ... [2020-10-27 10:18:32,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e343be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:18:32, skipping insertion in model container [2020-10-27 10:18:32,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:18:26" (2/3) ... [2020-10-27 10:18:32,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e343be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:18:32, skipping insertion in model container [2020-10-27 10:18:32,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:18:32" (3/3) ... [2020-10-27 10:18:32,420 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i [2020-10-27 10:18:32,433 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 10:18:32,440 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 10:18:32,454 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 10:18:32,489 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 10:18:32,489 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 10:18:32,489 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 10:18:32,490 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 10:18:32,490 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 10:18:32,490 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 10:18:32,490 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 10:18:32,490 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 10:18:32,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states. [2020-10-27 10:18:32,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-27 10:18:32,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:18:32,555 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:18:32,556 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:18:32,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:18:32,562 INFO L82 PathProgramCache]: Analyzing trace with hash 2057600726, now seen corresponding path program 1 times [2020-10-27 10:18:32,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:18:32,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [163115360] [2020-10-27 10:18:32,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:18:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:33,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:33,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:34,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:34,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 10:18:34,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:18:34,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1693 [2020-10-27 10:18:34,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:34,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 10:18:34,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-27 10:18:34,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 10:18:34,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 10:18:35,152 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 10:18:35,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:18:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:35,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:35,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:35,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:18:35,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:35,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 10:18:35,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:35,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:35,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:35,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:35,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:35,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:18:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:35,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:35,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:35,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:18:35,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:35,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:18:35,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:35,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:35,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:35,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:35,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:35,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:18:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:35,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:35,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:35,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:18:35,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:35,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:18:35,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:35,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:35,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:35,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:35,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:35,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:18:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:35,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:35,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:35,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:18:35,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:35,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:18:35,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:35,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:35,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:35,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:35,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:35,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 10:18:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:35,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:35,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:35,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:18:35,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:35,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:18:35,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:35,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:35,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:35,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:35,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:35,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 10:18:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:35,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:35,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:35,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:18:35,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:35,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:18:35,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:35,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:35,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:35,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:35,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:35,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 10:18:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:35,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:35,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:35,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:18:35,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:35,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:18:35,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:35,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:35,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:35,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:35,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:35,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 10:18:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:35,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:35,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:35,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:18:35,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:35,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 10:18:35,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:35,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:35,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:35,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:35,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:35,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 10:18:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:35,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:35,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:35,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:18:35,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:35,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:18:35,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:35,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:35,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:35,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:35,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:35,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 10:18:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:35,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:35,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:35,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:18:35,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:35,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:18:35,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:35,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:35,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:35,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:35,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:35,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 10:18:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:35,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:35,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:35,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:18:35,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:35,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:18:35,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:35,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:35,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:35,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:35,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:35,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 10:18:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:35,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:35,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:35,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 10:18:35,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:35,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 10:18:35,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:35,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:18:35,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:35,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:18:35,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:35,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:18:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:35,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:35,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:35,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:18:35,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:35,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:18:35,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:35,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:18:35,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:35,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 10:18:35,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:35,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 10:18:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:35,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:35,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:35,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 10:18:35,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:35,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 10:18:35,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:35,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:18:35,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:35,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 10:18:35,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:35,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:18:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:35,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:35,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:35,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:18:35,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:35,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:18:35,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:35,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:35,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:35,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:35,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:35,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 10:18:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:35,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:35,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:35,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:18:35,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:35,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 10:18:35,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:35,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 10:18:35,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:35,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:18:35,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:35,765 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-27 10:18:35,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [163115360] [2020-10-27 10:18:35,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 10:18:35,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 10:18:35,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474511606] [2020-10-27 10:18:35,774 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 10:18:35,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:18:35,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 10:18:35,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-27 10:18:35,791 INFO L87 Difference]: Start difference. First operand 1107 states. Second operand 9 states. [2020-10-27 10:18:36,090 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 10:18:36,565 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 10:18:36,997 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-27 10:18:40,490 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 168 [2020-10-27 10:18:40,966 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-27 10:18:41,343 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-27 10:18:44,893 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-27 10:18:45,486 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-27 10:19:06,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:19:06,495 INFO L93 Difference]: Finished difference Result 3755 states and 5299 transitions. [2020-10-27 10:19:06,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 10:19:06,497 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 103 [2020-10-27 10:19:06,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:19:06,549 INFO L225 Difference]: With dead ends: 3755 [2020-10-27 10:19:06,549 INFO L226 Difference]: Without dead ends: 2650 [2020-10-27 10:19:06,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=117, Invalid=303, Unknown=0, NotChecked=0, Total=420 [2020-10-27 10:19:06,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2020-10-27 10:19:07,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 2185. [2020-10-27 10:19:07,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2185 states. [2020-10-27 10:19:07,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 2185 states and 2911 transitions. [2020-10-27 10:19:07,089 INFO L78 Accepts]: Start accepts. Automaton has 2185 states and 2911 transitions. Word has length 103 [2020-10-27 10:19:07,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:19:07,092 INFO L481 AbstractCegarLoop]: Abstraction has 2185 states and 2911 transitions. [2020-10-27 10:19:07,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 10:19:07,092 INFO L276 IsEmpty]: Start isEmpty. Operand 2185 states and 2911 transitions. [2020-10-27 10:19:07,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-27 10:19:07,116 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:19:07,117 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:19:07,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 10:19:07,118 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:19:07,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:19:07,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1881396594, now seen corresponding path program 1 times [2020-10-27 10:19:07,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:19:07,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [91894635] [2020-10-27 10:19:07,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:19:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:07,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:07,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:07,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:07,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:09,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:09,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-27 10:19:09,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 10:19:09,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2285 [2020-10-27 10:19:09,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:09,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:19:09,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 103 [2020-10-27 10:19:09,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 10:19:09,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:09,883 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 10:19:09,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:19:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:09,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:09,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:09,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:19:09,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:09,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 10:19:09,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:09,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:09,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:09,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:09,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:19:09,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:19:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:09,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:09,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:09,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:19:09,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:09,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:19:09,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:09,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:09,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:09,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:09,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:09,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:19:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:09,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:19:10,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:10,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:19:10,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:10,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:10,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:10,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:10,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:19:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:10,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:19:10,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:10,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:19:10,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:10,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:10,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:10,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:10,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 10:19:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:10,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:19:10,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:10,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 10:19:10,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:10,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:10,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:10,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:10,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 10:19:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:10,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:19:10,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:10,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:19:10,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:10,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:10,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:10,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:10,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 10:19:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:10,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:19:10,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:10,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:19:10,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:10,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:10,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:10,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:10,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 10:19:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:10,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:19:10,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:10,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:19:10,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:10,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:10,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:10,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:10,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 10:19:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:10,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:19:10,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:10,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:19:10,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:10,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:10,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:10,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:10,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 10:19:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:10,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:19:10,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:10,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:19:10,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:10,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:10,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:10,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:10,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 10:19:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:10,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:19:10,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:10,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:19:10,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:10,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:10,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:10,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:10,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 10:19:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:10,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 10:19:10,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:10,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:19:10,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:10,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:10,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:10,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:10,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:19:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:10,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:19:10,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:10,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:19:10,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:10,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:10,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:10,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:10,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 10:19:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:10,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-27 10:19:10,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:19:10,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-27 10:19:10,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:19:10,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-27 10:19:10,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 10:19:10,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:10,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:19:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:10,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:19:10,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:10,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:19:10,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:10,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:10,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:10,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:10,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:19:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:10,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:19:10,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:10,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:19:10,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:10,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:10,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:10,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:10,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 10:19:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:10,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:19:10,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:10,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:19:10,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:10,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:10,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:10,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:19:10,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 10:19:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:10,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:19:10,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:10,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:19:10,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:10,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:10,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:10,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:10,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 10:19:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:10,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:19:10,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:10,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:19:10,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:10,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:10,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:10,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:10,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 10:19:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:10,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 10:19:10,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:10,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 10:19:10,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:10,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:10,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:10,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:19:10,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:19:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:10,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 10:19:10,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:10,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:19:10,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:10,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:10,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:10,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:10,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:19:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:10,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 10:19:10,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:10,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:19:10,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:10,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:10,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:10,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:10,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 10:19:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:10,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:19:10,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:10,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:19:10,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:10,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:10,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:10,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:10,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 10:19:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:10,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 10:19:10,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:10,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 10:19:10,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:19:10,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-27 10:19:10,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 10:19:10,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:10,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:19:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:10,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 10:19:10,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:10,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 10:19:10,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:19:10,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 10:19:10,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 10:19:10,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:10,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:19:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:10,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 10:19:10,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:10,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 10:19:10,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:19:10,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 10:19:10,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 10:19:10,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:10,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 10:19:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:10,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:19:10,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:10,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:19:10,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:10,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:19:10,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:10,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:10,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-27 10:19:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:10,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 10:19:10,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:10,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:19:10,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:10,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 10:19:10,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:10,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:10,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:19:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:10,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:19:10,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:10,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:19:10,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:10,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:10,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:10,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:10,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-27 10:19:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:10,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:10,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:10,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:19:10,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:10,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:19:10,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:10,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:10,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:19:10,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:10,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:10,903 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2020-10-27 10:19:10,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [91894635] [2020-10-27 10:19:10,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 10:19:10,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 10:19:10,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971205911] [2020-10-27 10:19:10,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 10:19:10,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:19:10,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 10:19:10,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-27 10:19:10,909 INFO L87 Difference]: Start difference. First operand 2185 states and 2911 transitions. Second operand 10 states. [2020-10-27 10:19:11,166 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 10:19:11,556 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 10:19:11,961 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-27 10:19:15,011 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 10:19:20,220 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-27 10:19:36,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:19:36,933 INFO L93 Difference]: Finished difference Result 6421 states and 9091 transitions. [2020-10-27 10:19:36,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 10:19:36,934 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 186 [2020-10-27 10:19:36,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:19:36,973 INFO L225 Difference]: With dead ends: 6421 [2020-10-27 10:19:36,973 INFO L226 Difference]: Without dead ends: 4270 [2020-10-27 10:19:36,983 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2020-10-27 10:19:36,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4270 states. [2020-10-27 10:19:37,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4270 to 3137. [2020-10-27 10:19:37,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3137 states. [2020-10-27 10:19:37,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3137 states to 3137 states and 4201 transitions. [2020-10-27 10:19:37,433 INFO L78 Accepts]: Start accepts. Automaton has 3137 states and 4201 transitions. Word has length 186 [2020-10-27 10:19:37,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:19:37,436 INFO L481 AbstractCegarLoop]: Abstraction has 3137 states and 4201 transitions. [2020-10-27 10:19:37,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 10:19:37,436 INFO L276 IsEmpty]: Start isEmpty. Operand 3137 states and 4201 transitions. [2020-10-27 10:19:37,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-27 10:19:37,449 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:19:37,452 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:19:37,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 10:19:37,453 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:19:37,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:19:37,453 INFO L82 PathProgramCache]: Analyzing trace with hash 2010125933, now seen corresponding path program 1 times [2020-10-27 10:19:37,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:19:37,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1814554825] [2020-10-27 10:19:37,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:19:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:37,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:37,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:37,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:38,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:42,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:42,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 291 [2020-10-27 10:19:42,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 10:19:42,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 10:19:42,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:42,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-27 10:19:42,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:19:42,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-10-27 10:19:42,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:42,943 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 10:19:42,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:19:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:42,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:43,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:43,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:19:43,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:43,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-27 10:19:43,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:43,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:19:43,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:43,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 10:19:43,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:43,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:19:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:43,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:43,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:43,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:19:43,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:43,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:19:43,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:43,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:19:43,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:43,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:19:43,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:43,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:19:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:43,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:43,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:43,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:19:43,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:43,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 10:19:43,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:43,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:19:43,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:43,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:19:43,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:43,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:19:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:43,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:43,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:43,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:19:43,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:43,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:19:43,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:43,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:19:43,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:43,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:19:43,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:43,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 10:19:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:43,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:43,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:43,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:19:43,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:43,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:19:43,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:43,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:19:43,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:43,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:19:43,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:43,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 10:19:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:43,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:43,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:43,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:19:43,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:43,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:19:43,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:43,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:19:43,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:43,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:19:43,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:43,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 10:19:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:43,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:43,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:43,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:19:43,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:43,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:19:43,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:43,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:19:43,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:43,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:19:43,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:43,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 10:19:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:43,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:43,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:43,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:19:43,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:43,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 10:19:43,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:43,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:19:43,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:43,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:19:43,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:43,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 10:19:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:43,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:43,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:43,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:19:43,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:43,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:19:43,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:43,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:19:43,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:43,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:19:43,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:43,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 10:19:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:43,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:43,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:43,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:19:43,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:43,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:19:43,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:43,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:19:43,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:43,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:19:43,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:43,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 10:19:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:43,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:43,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:43,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:19:43,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:43,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 10:19:43,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:43,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:19:43,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:43,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:19:43,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:43,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 10:19:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:43,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:43,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:43,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 10:19:43,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:43,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:19:43,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:43,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:19:43,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:43,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 10:19:43,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:43,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:19:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:43,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:43,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:43,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:19:43,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:43,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:19:43,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:43,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:43,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:43,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:43,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:43,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 10:19:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:43,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:46,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:46,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-27 10:19:46,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:46,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2760 [2020-10-27 10:19:46,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:46,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-27 10:19:46,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 10:19:46,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-27 10:19:46,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:46,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:19:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:46,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:46,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:46,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 10:19:46,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:46,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 10:19:46,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:46,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 10:19:46,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 10:19:46,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 10:19:46,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:46,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:19:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:46,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:46,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:46,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:19:46,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:46,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:19:46,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:46,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:19:46,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:46,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:19:46,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:46,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:19:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:46,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:46,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:46,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:19:46,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:46,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:19:46,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:46,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:19:46,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:46,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:19:46,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:46,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:19:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:46,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:48,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:48,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-27 10:19:48,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:48,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1622 [2020-10-27 10:19:48,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:48,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 10:19:48,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 10:19:48,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-27 10:19:48,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:48,517 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 29 [2020-10-27 10:19:48,649 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 25 [2020-10-27 10:19:48,836 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2020-10-27 10:19:49,128 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-10-27 10:19:49,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:19:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:49,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:49,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:49,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:19:49,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:49,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:19:49,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:49,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:19:49,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:49,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:19:49,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:49,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 10:19:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:49,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:49,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:49,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 10:19:49,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:49,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 10:19:49,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:49,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:19:49,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:49,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 10:19:49,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:49,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:19:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:49,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:49,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:49,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:19:49,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:49,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:19:49,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:49,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:49,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:49,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:49,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:49,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 10:19:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:49,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:49,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:49,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:19:49,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:49,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:19:49,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:49,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:19:49,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:49,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:19:49,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:49,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 10:19:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:49,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:49,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:49,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:19:49,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:49,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:19:49,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:49,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:19:49,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:49,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:19:49,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:49,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 10:19:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:49,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:49,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:49,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:19:49,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:49,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:19:49,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:49,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:19:49,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:49,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:19:49,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:49,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 10:19:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:49,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:49,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:49,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:19:49,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:49,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:19:49,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:49,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:19:49,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:49,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:19:49,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:49,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 10:19:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:49,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:49,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:49,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 10:19:49,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:49,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 395 [2020-10-27 10:19:49,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:49,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 10:19:49,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 10:19:49,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 10:19:49,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:49,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:19:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:49,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:50,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:50,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 10:19:50,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:50,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-27 10:19:50,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:50,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 10:19:50,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 10:19:50,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 10:19:50,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 10:19:50,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:19:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:50,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:50,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:50,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 10:19:50,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:50,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-27 10:19:50,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:50,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 10:19:50,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 10:19:50,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 10:19:50,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:50,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 10:19:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:50,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:50,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:50,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:19:50,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:50,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 10:19:50,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:50,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:19:50,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:50,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:19:50,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:50,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 10:19:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:50,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:50,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:50,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 10:19:50,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:50,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 10:19:50,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:50,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:19:50,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:50,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 10:19:50,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:50,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:19:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:50,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:50,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:50,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:19:50,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:50,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:19:50,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:50,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:50,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:50,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:50,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:50,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-27 10:19:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:50,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:50,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:50,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 10:19:50,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:50,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:19:50,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:50,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:50,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 10:19:50,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:50,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:50,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:19:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:50,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:50,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:50,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:19:50,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:50,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:19:50,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:50,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:50,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:19:50,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:50,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:50,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-27 10:19:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:19:50,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:19:50,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:19:50,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:19:50,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:19:50,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:19:50,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:19:50,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:19:50,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:19:50,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:19:50,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:19:51,096 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2020-10-27 10:19:51,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1814554825] [2020-10-27 10:19:51,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 10:19:51,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-27 10:19:51,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513026671] [2020-10-27 10:19:51,100 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-27 10:19:51,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:19:51,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-27 10:19:51,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=428, Unknown=0, NotChecked=0, Total=506 [2020-10-27 10:19:51,101 INFO L87 Difference]: Start difference. First operand 3137 states and 4201 transitions. Second operand 23 states. [2020-10-27 10:19:51,369 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 10:19:51,774 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 10:19:52,260 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 10:19:54,864 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2020-10-27 10:19:57,559 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-10-27 10:19:57,969 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-27 10:20:00,365 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 10:20:00,719 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 10:20:01,189 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-27 10:20:01,627 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-27 10:20:02,257 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2020-10-27 10:20:05,729 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-10-27 10:20:10,228 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-10-27 10:20:10,656 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-27 10:20:13,200 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-27 10:20:14,043 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 197 [2020-10-27 10:20:14,509 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-27 10:20:14,919 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-27 10:20:15,302 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-27 10:20:16,089 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 179 [2020-10-27 10:20:16,895 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 184 [2020-10-27 10:20:17,869 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 180 [2020-10-27 10:20:18,663 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 181 [2020-10-27 10:20:19,590 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 184 [2020-10-27 10:20:20,892 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 10:20:28,679 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-27 10:20:29,492 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 192 [2020-10-27 10:20:32,673 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-27 10:20:34,283 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 54 [2020-10-27 10:20:35,321 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 200 [2020-10-27 10:20:57,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:20:57,645 INFO L93 Difference]: Finished difference Result 9810 states and 13567 transitions. [2020-10-27 10:20:57,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-10-27 10:20:57,646 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 213 [2020-10-27 10:20:57,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:20:57,696 INFO L225 Difference]: With dead ends: 9810 [2020-10-27 10:20:57,696 INFO L226 Difference]: Without dead ends: 6707 [2020-10-27 10:20:57,711 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1565 ImplicationChecksByTransitivity, 17.7s TimeCoverageRelationStatistics Valid=915, Invalid=4635, Unknown=0, NotChecked=0, Total=5550 [2020-10-27 10:20:57,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6707 states. [2020-10-27 10:20:58,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6707 to 5845. [2020-10-27 10:20:58,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5845 states. [2020-10-27 10:20:58,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5845 states to 5845 states and 8035 transitions. [2020-10-27 10:20:58,633 INFO L78 Accepts]: Start accepts. Automaton has 5845 states and 8035 transitions. Word has length 213 [2020-10-27 10:20:58,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:20:58,634 INFO L481 AbstractCegarLoop]: Abstraction has 5845 states and 8035 transitions. [2020-10-27 10:20:58,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-27 10:20:58,634 INFO L276 IsEmpty]: Start isEmpty. Operand 5845 states and 8035 transitions. [2020-10-27 10:20:58,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-27 10:20:58,651 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:20:58,652 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:20:58,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 10:20:58,652 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:20:58,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:20:58,653 INFO L82 PathProgramCache]: Analyzing trace with hash 205235021, now seen corresponding path program 1 times [2020-10-27 10:20:58,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:20:58,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [693519571] [2020-10-27 10:20:58,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:20:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:20:58,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:20:58,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:00,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:03,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:03,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 303 [2020-10-27 10:21:03,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 10:21:03,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5121 [2020-10-27 10:21:03,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:03,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 10:21:03,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-27 10:21:03,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-27 10:21:03,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:04,146 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 10:21:04,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:21:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:04,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:04,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:04,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:21:04,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:04,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 10:21:04,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:04,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:04,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:04,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:04,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:04,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:21:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:04,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:04,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:04,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:21:04,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:04,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:21:04,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:04,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:04,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:04,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:04,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:04,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:21:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:04,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:04,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:04,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:21:04,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:04,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:21:04,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:04,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:04,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:04,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:04,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:04,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:21:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:04,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:04,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:04,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:21:04,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:04,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:21:04,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:04,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:04,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:04,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:04,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:04,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 10:21:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:04,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:04,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:04,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:21:04,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:04,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:21:04,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:04,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:04,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:04,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:04,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:04,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 10:21:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:04,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:04,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:04,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:21:04,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:04,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:21:04,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:04,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:04,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:04,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:04,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:04,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 10:21:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:04,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:04,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:04,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:21:04,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:04,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:21:04,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:04,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:04,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:04,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:04,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:04,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 10:21:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:04,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:04,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:04,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:21:04,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:04,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:21:04,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:04,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:04,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:04,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:04,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:04,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 10:21:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:04,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:04,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:04,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:21:04,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:04,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:21:04,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:04,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:04,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:04,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:04,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:04,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 10:21:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:04,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:04,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:04,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:21:04,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:04,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:21:04,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:04,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:04,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:04,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:04,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:04,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 10:21:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:04,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:04,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:04,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:21:04,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:04,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:21:04,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:04,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:04,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:04,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:04,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:04,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 10:21:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:04,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:04,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:04,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 10:21:04,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:04,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:21:04,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:04,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:21:04,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:04,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:21:04,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:04,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:21:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:04,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:04,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:04,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:21:04,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:04,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:21:04,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:04,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:21:04,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:04,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 10:21:04,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:04,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 10:21:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:04,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:05,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:08,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:08,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-27 10:21:08,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:21:08,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4084 [2020-10-27 10:21:08,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:08,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 10:21:08,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 10:21:08,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-27 10:21:08,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:08,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:21:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:08,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:09,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:12,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:12,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 10:21:12,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:21:12,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3773 [2020-10-27 10:21:12,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:12,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 10:21:12,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 10:21:12,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-27 10:21:12,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:12,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:21:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:12,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:12,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:12,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:21:12,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:12,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:21:12,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:12,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:21:12,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:12,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:21:12,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:12,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 10:21:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:12,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:12,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:12,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 10:21:12,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:12,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:21:12,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:12,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:21:12,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:12,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 10:21:12,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:12,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:21:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:12,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:12,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:12,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:21:12,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:12,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:21:12,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:12,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:12,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:12,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:12,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:12,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 10:21:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:12,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:12,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:12,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:21:12,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:12,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:21:12,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:12,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:21:12,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:12,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:21:12,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:12,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 10:21:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:12,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:12,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:12,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:21:12,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:12,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:21:12,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:12,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:21:12,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:12,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:21:12,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:12,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 10:21:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:12,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:12,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:12,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:21:12,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:12,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:21:12,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:12,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:21:12,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:12,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:21:12,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:12,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 10:21:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:12,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:12,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:12,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:21:12,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:12,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:21:12,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:12,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:21:12,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:12,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:21:12,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:12,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 10:21:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:12,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:12,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:12,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:21:12,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:12,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:21:12,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:12,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:21:12,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:12,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:21:12,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:12,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 10:21:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:12,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:12,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:12,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:21:12,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:12,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:21:12,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:12,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:21:12,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:12,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:21:12,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:12,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 10:21:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:12,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:12,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:12,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:21:12,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:12,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:21:12,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:12,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:21:12,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:12,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:21:12,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:12,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 10:21:12,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:12,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:12,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:12,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:12,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 10:21:12,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:21:12,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-27 10:21:12,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:12,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 10:21:12,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 10:21:12,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 10:21:12,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:12,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:21:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:12,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:12,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:12,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:12,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 10:21:12,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:21:12,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-27 10:21:12,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:12,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 10:21:12,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 10:21:12,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 10:21:12,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:12,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:21:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:12,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:12,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:13,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:13,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 10:21:13,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:21:13,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 10:21:13,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:13,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 10:21:13,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 10:21:13,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 10:21:13,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:13,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 10:21:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:13,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:13,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:13,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:21:13,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:13,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 10:21:13,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:13,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:21:13,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:13,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:21:13,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:13,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 10:21:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:13,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:13,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:13,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 10:21:13,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:13,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:21:13,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:13,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:21:13,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:13,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 10:21:13,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:13,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:21:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:13,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:13,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:13,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:21:13,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:13,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:21:13,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:13,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:13,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:13,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:13,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:13,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-27 10:21:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:13,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:13,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:13,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:21:13,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:13,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:21:13,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:13,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:21:13,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:13,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:21:13,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:13,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-27 10:21:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:13,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:13,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:13,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 10:21:13,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:13,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:21:13,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:13,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:13,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 10:21:13,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:13,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:13,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:21:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:13,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:13,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:13,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:21:13,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:13,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:21:13,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:13,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:13,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:21:13,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:13,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:13,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-27 10:21:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:13,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:13,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:21:13,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:21:13,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:21:13,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 10:21:13,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:21:13,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:21:13,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:21:13,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:21:13,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:21:13,281 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2020-10-27 10:21:13,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [693519571] [2020-10-27 10:21:13,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 10:21:13,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 10:21:13,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801625121] [2020-10-27 10:21:13,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 10:21:13,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:21:13,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 10:21:13,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-27 10:21:13,285 INFO L87 Difference]: Start difference. First operand 5845 states and 8035 transitions. Second operand 10 states. [2020-10-27 10:21:13,670 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 10:21:14,152 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 10:21:14,486 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-27 10:21:18,276 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 167 [2020-10-27 10:21:34,057 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 10:21:37,061 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2020-10-27 10:21:37,684 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 168 [2020-10-27 10:21:50,894 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-27 10:21:54,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:21:54,953 INFO L93 Difference]: Finished difference Result 11860 states and 16634 transitions. [2020-10-27 10:21:54,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 10:21:54,955 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 223 [2020-10-27 10:21:54,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:21:54,990 INFO L225 Difference]: With dead ends: 11860 [2020-10-27 10:21:54,990 INFO L226 Difference]: Without dead ends: 6049 [2020-10-27 10:21:55,012 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 70 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2020-10-27 10:21:55,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6049 states. [2020-10-27 10:21:55,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6049 to 5073. [2020-10-27 10:21:55,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5073 states. [2020-10-27 10:21:55,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5073 states to 5073 states and 6825 transitions. [2020-10-27 10:21:55,908 INFO L78 Accepts]: Start accepts. Automaton has 5073 states and 6825 transitions. Word has length 223 [2020-10-27 10:21:55,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:21:55,909 INFO L481 AbstractCegarLoop]: Abstraction has 5073 states and 6825 transitions. [2020-10-27 10:21:55,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 10:21:55,910 INFO L276 IsEmpty]: Start isEmpty. Operand 5073 states and 6825 transitions. [2020-10-27 10:21:55,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-27 10:21:55,926 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:21:55,927 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:21:55,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 10:21:55,927 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:21:55,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:21:55,927 INFO L82 PathProgramCache]: Analyzing trace with hash 449194163, now seen corresponding path program 1 times [2020-10-27 10:21:55,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:21:55,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1983255785] [2020-10-27 10:21:55,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:21:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:21:56,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:56,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:56,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:56,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:56,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:21:56,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking...