/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 23:37:42,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 23:37:42,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 23:37:42,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 23:37:42,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 23:37:42,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 23:37:42,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 23:37:42,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 23:37:42,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 23:37:42,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 23:37:42,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 23:37:42,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 23:37:42,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 23:37:42,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 23:37:42,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 23:37:42,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 23:37:42,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 23:37:42,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 23:37:42,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 23:37:42,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 23:37:42,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 23:37:42,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 23:37:42,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 23:37:42,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 23:37:42,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 23:37:42,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 23:37:42,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 23:37:42,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 23:37:42,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 23:37:42,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 23:37:42,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 23:37:42,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 23:37:42,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 23:37:42,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 23:37:42,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 23:37:42,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 23:37:42,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 23:37:42,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 23:37:42,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 23:37:42,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 23:37:42,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 23:37:42,781 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-28 23:37:42,834 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 23:37:42,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 23:37:42,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 23:37:42,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 23:37:42,836 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 23:37:42,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 23:37:42,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 23:37:42,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 23:37:42,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 23:37:42,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 23:37:42,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 23:37:42,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 23:37:42,838 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 23:37:42,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 23:37:42,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 23:37:42,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 23:37:42,839 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 23:37:42,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 23:37:42,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 23:37:42,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 23:37:42,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 23:37:42,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 23:37:42,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 23:37:42,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 23:37:42,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 23:37:42,841 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 23:37:42,841 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 23:37:42,841 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 23:37:43,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 23:37:43,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 23:37:43,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 23:37:43,245 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 23:37:43,246 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 23:37:43,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-10-28 23:37:43,335 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0f178a946/9b79061bb7874b1da1b105a56982d4c5/FLAG03eb76473 [2020-10-28 23:37:44,196 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 23:37:44,197 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-10-28 23:37:44,237 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0f178a946/9b79061bb7874b1da1b105a56982d4c5/FLAG03eb76473 [2020-10-28 23:37:44,724 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0f178a946/9b79061bb7874b1da1b105a56982d4c5 [2020-10-28 23:37:44,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 23:37:44,744 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 23:37:44,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 23:37:44,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 23:37:44,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 23:37:44,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:37:44" (1/1) ... [2020-10-28 23:37:44,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@699e8cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:44, skipping insertion in model container [2020-10-28 23:37:44,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:37:44" (1/1) ... [2020-10-28 23:37:44,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 23:37:44,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 23:37:46,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 23:37:46,061 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 23:37:46,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 23:37:46,547 INFO L208 MainTranslator]: Completed translation [2020-10-28 23:37:46,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:46 WrapperNode [2020-10-28 23:37:46,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 23:37:46,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 23:37:46,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 23:37:46,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 23:37:46,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:46" (1/1) ... [2020-10-28 23:37:46,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:46" (1/1) ... [2020-10-28 23:37:46,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:46" (1/1) ... [2020-10-28 23:37:46,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:46" (1/1) ... [2020-10-28 23:37:46,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:46" (1/1) ... [2020-10-28 23:37:46,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:46" (1/1) ... [2020-10-28 23:37:46,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:46" (1/1) ... [2020-10-28 23:37:46,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 23:37:46,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 23:37:46,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 23:37:46,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 23:37:46,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 23:37:46,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 23:37:46,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 23:37:46,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-10-28 23:37:46,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-10-28 23:37:46,802 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 23:37:46,802 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-28 23:37:46,802 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-28 23:37:46,803 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-10-28 23:37:46,803 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-10-28 23:37:46,803 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_shared [2020-10-28 23:37:46,803 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_share_check [2020-10-28 23:37:46,803 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-10-28 23:37:46,803 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-10-28 23:37:46,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2020-10-28 23:37:46,804 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow [2020-10-28 23:37:46,804 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 23:37:46,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2020-10-28 23:37:46,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 23:37:46,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 23:37:46,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 23:37:46,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 23:37:46,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 23:37:46,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 23:37:46,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 23:37:46,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 23:37:46,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-28 23:37:46,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-28 23:37:46,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_off [2020-10-28 23:37:46,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2020-10-28 23:37:46,806 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2020-10-28 23:37:46,806 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connect_disconnect [2020-10-28 23:37:46,806 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connected [2020-10-28 23:37:46,807 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_disconnected [2020-10-28 23:37:46,807 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_indication [2020-10-28 23:37:46,807 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_transmit [2020-10-28 23:37:46,807 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_xmit [2020-10-28 23:37:46,807 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_open [2020-10-28 23:37:46,807 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_close [2020-10-28 23:37:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_rx [2020-10-28 23:37:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_ioctl [2020-10-28 23:37:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_init [2020-10-28 23:37:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_exit [2020-10-28 23:37:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hdlc_proto_1 [2020-10-28 23:37:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 23:37:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-28 23:37:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-28 23:37:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-28 23:37:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-28 23:37:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-28 23:37:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2020-10-28 23:37:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-10-28 23:37:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_14 [2020-10-28 23:37:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-28 23:37:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-28 23:37:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-28 23:37:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-28 23:37:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-28 23:37:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-28 23:37:46,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-28 23:37:46,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-28 23:37:46,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-28 23:37:46,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-28 23:37:46,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 23:37:46,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-28 23:37:46,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-28 23:37:46,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-28 23:37:46,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-28 23:37:46,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-28 23:37:46,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 23:37:46,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-10-28 23:37:46,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2020-10-28 23:37:46,812 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_hdlc_protocol [2020-10-28 23:37:46,813 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-10-28 23:37:46,813 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_connect_request [2020-10-28 23:37:46,813 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_received [2020-10-28 23:37:46,813 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_request [2020-10-28 23:37:46,813 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_disconnect_request [2020-10-28 23:37:46,813 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_register [2020-10-28 23:37:46,814 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_unregister [2020-10-28 23:37:46,814 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2020-10-28 23:37:46,814 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-10-28 23:37:46,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-10-28 23:37:46,814 INFO L138 BoogieDeclarations]: Found implementation of procedure register_hdlc_protocol [2020-10-28 23:37:46,814 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-10-28 23:37:46,814 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-28 23:37:46,815 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-28 23:37:46,815 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-28 23:37:46,815 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hdlc_protocol [2020-10-28 23:37:46,815 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 23:37:46,815 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 23:37:46,815 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 23:37:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 23:37:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 23:37:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 23:37:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 23:37:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 23:37:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 23:37:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-28 23:37:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2020-10-28 23:37:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-28 23:37:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 23:37:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-10-28 23:37:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-28 23:37:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-28 23:37:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-28 23:37:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-28 23:37:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-28 23:37:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-10-28 23:37:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-10-28 23:37:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-10-28 23:37:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 23:37:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-10-28 23:37:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure skb_shared [2020-10-28 23:37:46,819 INFO L130 BoogieDeclarations]: Found specification of procedure skb_share_check [2020-10-28 23:37:46,819 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-28 23:37:46,819 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-28 23:37:46,819 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-28 23:37:46,819 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-10-28 23:37:46,819 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-10-28 23:37:46,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 23:37:46,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2020-10-28 23:37:46,820 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2020-10-28 23:37:46,820 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow [2020-10-28 23:37:46,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-28 23:37:46,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-28 23:37:46,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-28 23:37:46,820 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 23:37:46,821 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 23:37:46,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 23:37:46,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 23:37:46,821 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 23:37:46,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2020-10-28 23:37:46,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 23:37:46,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 23:37:46,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 23:37:46,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 23:37:46,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 23:37:46,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 23:37:46,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 23:37:46,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 23:37:46,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 23:37:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hdlc_proto_1 [2020-10-28 23:37:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-28 23:37:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-10-28 23:37:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-28 23:37:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-10-28 23:37:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_14 [2020-10-28 23:37:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2020-10-28 23:37:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_off [2020-10-28 23:37:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-10-28 23:37:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure register_hdlc_protocol [2020-10-28 23:37:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hdlc_protocol [2020-10-28 23:37:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2020-10-28 23:37:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure attach_hdlc_protocol [2020-10-28 23:37:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_register [2020-10-28 23:37:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_unregister [2020-10-28 23:37:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_connect_request [2020-10-28 23:37:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_disconnect_request [2020-10-28 23:37:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_request [2020-10-28 23:37:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_received [2020-10-28 23:37:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2020-10-28 23:37:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 23:37:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure x25_ioctl [2020-10-28 23:37:46,826 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connect_disconnect [2020-10-28 23:37:46,826 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connected [2020-10-28 23:37:46,826 INFO L130 BoogieDeclarations]: Found specification of procedure x25_disconnected [2020-10-28 23:37:46,826 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_indication [2020-10-28 23:37:46,826 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_transmit [2020-10-28 23:37:46,826 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-10-28 23:37:46,826 INFO L130 BoogieDeclarations]: Found specification of procedure x25_xmit [2020-10-28 23:37:46,827 INFO L130 BoogieDeclarations]: Found specification of procedure x25_open [2020-10-28 23:37:46,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 23:37:46,827 INFO L130 BoogieDeclarations]: Found specification of procedure x25_close [2020-10-28 23:37:46,827 INFO L130 BoogieDeclarations]: Found specification of procedure x25_rx [2020-10-28 23:37:46,827 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-10-28 23:37:46,827 INFO L130 BoogieDeclarations]: Found specification of procedure mod_init [2020-10-28 23:37:46,827 INFO L130 BoogieDeclarations]: Found specification of procedure mod_exit [2020-10-28 23:37:46,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 23:37:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 23:37:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 23:37:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-28 23:37:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-28 23:37:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-28 23:37:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-28 23:37:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-28 23:37:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-28 23:37:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-28 23:37:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-28 23:37:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-28 23:37:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-28 23:37:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-28 23:37:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-28 23:37:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-28 23:37:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 23:37:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 23:37:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 23:37:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 23:37:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 23:37:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 23:37:47,679 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 23:37:48,832 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 23:37:48,832 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-28 23:37:48,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:37:48 BoogieIcfgContainer [2020-10-28 23:37:48,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 23:37:48,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 23:37:48,842 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 23:37:48,845 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 23:37:48,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:37:44" (1/3) ... [2020-10-28 23:37:48,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b5b862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:37:48, skipping insertion in model container [2020-10-28 23:37:48,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:46" (2/3) ... [2020-10-28 23:37:48,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b5b862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:37:48, skipping insertion in model container [2020-10-28 23:37:48,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:37:48" (3/3) ... [2020-10-28 23:37:48,852 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-10-28 23:37:48,868 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 23:37:48,875 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 23:37:48,890 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 23:37:48,934 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 23:37:48,934 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 23:37:48,935 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 23:37:48,935 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 23:37:48,935 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 23:37:48,935 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 23:37:48,935 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 23:37:48,935 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 23:37:48,965 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states. [2020-10-28 23:37:48,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-28 23:37:48,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:37:48,980 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:37:48,981 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:37:48,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:37:48,987 INFO L82 PathProgramCache]: Analyzing trace with hash -664638677, now seen corresponding path program 1 times [2020-10-28 23:37:48,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:37:48,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1298090168] [2020-10-28 23:37:48,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:37:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:49,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:49,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:49,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:50,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:50,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-28 23:37:50,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:37:50,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1274 [2020-10-28 23:37:50,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:50,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:50,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:50,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-28 23:37:50,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:50,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 23:37:50,880 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 23:37:50,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:37:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:50,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:50,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:50,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:37:50,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:50,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 23:37:50,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:50,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:50,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:50,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:50,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:50,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:37:50,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:37:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:50,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:51,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:51,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 23:37:51,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:51,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-28 23:37:51,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:51,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:51,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:51,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-28 23:37:51,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:51,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-28 23:37:51,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:37:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:51,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:51,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:51,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:37:51,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:51,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 23:37:51,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:51,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:51,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:51,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:51,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:51,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:37:51,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:37:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:51,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:51,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:51,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:37:51,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:51,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 23:37:51,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:51,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:51,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:51,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 23:37:51,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:51,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:37:51,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 23:37:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:51,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:51,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:51,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:37:51,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:51,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 23:37:51,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:51,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:51,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:51,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 23:37:51,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:51,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:37:51,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:37:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:51,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:51,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:51,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:37:51,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:51,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:37:51,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:51,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:51,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:51,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:51,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:51,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:37:51,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 23:37:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:51,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:51,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:51,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:37:51,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:51,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:37:51,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:51,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:51,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:51,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 23:37:51,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:51,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:37:51,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:37:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:51,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:51,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:51,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:37:51,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:51,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:37:51,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:51,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:51,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:51,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:51,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:51,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:37:51,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 23:37:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:51,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:51,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:51,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:37:51,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:51,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:37:51,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:51,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:51,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:51,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:37:51,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:51,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:37:51,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 23:37:51,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1298090168] [2020-10-28 23:37:51,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:37:51,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 23:37:51,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400201803] [2020-10-28 23:37:51,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 23:37:51,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:37:51,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 23:37:51,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 23:37:51,273 INFO L87 Difference]: Start difference. First operand 481 states. Second operand 6 states. [2020-10-28 23:37:51,516 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:37:55,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:37:55,549 INFO L93 Difference]: Finished difference Result 921 states and 1196 transitions. [2020-10-28 23:37:55,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 23:37:55,552 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-10-28 23:37:55,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:37:55,574 INFO L225 Difference]: With dead ends: 921 [2020-10-28 23:37:55,574 INFO L226 Difference]: Without dead ends: 522 [2020-10-28 23:37:55,583 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-28 23:37:55,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2020-10-28 23:37:55,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 380. [2020-10-28 23:37:55,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-10-28 23:37:55,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 453 transitions. [2020-10-28 23:37:55,830 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 453 transitions. Word has length 56 [2020-10-28 23:37:55,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:37:55,834 INFO L481 AbstractCegarLoop]: Abstraction has 380 states and 453 transitions. [2020-10-28 23:37:55,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 23:37:55,834 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 453 transitions. [2020-10-28 23:37:55,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-28 23:37:55,851 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:37:55,851 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:37:55,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 23:37:55,854 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:37:55,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:37:55,856 INFO L82 PathProgramCache]: Analyzing trace with hash -240991955, now seen corresponding path program 1 times [2020-10-28 23:37:55,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:37:55,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1208434902] [2020-10-28 23:37:55,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:37:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:55,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:56,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:56,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:56,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-28 23:37:56,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:37:56,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 830 [2020-10-28 23:37:56,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:56,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:56,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:37:56,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-28 23:37:56,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 23:37:56,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:37:57,026 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 23:37:57,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:37:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:57,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:57,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:57,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:37:57,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:57,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 23:37:57,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:57,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:57,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:57,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:57,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:57,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 23:37:57,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:37:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:57,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:57,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:57,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 23:37:57,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:57,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 23:37:57,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:57,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:57,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:57,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:57,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:57,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:37:57,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:37:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:57,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:57,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:57,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:37:57,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:57,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:37:57,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:57,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:57,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:57,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:57,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:57,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:37:57,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:37:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:57,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:57,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:57,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:37:57,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:57,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:37:57,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:57,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:57,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:57,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:57,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:57,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:37:57,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 23:37:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:57,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:57,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:57,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:37:57,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:57,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:37:57,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:57,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:57,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:57,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:57,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:57,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:37:57,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:37:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:57,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:57,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:57,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:37:57,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:57,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 23:37:57,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:57,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:57,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:57,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:57,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:57,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:37:57,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 23:37:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:57,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:57,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:57,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:37:57,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:57,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:37:57,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:57,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:57,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:57,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 23:37:57,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:57,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:37:57,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:37:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:57,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:57,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:57,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:37:57,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:57,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:37:57,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:57,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:57,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:57,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:57,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:57,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:37:57,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 23:37:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:57,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:57,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:57,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:37:57,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:57,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:37:57,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:57,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:57,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:57,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:37:57,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:57,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:37:57,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 23:37:57,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1208434902] [2020-10-28 23:37:57,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:37:57,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 23:37:57,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445219653] [2020-10-28 23:37:57,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 23:37:57,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:37:57,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 23:37:57,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-28 23:37:57,301 INFO L87 Difference]: Start difference. First operand 380 states and 453 transitions. Second operand 7 states. [2020-10-28 23:37:57,534 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:37:57,874 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 23:37:58,203 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-28 23:38:07,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:38:07,201 INFO L93 Difference]: Finished difference Result 1010 states and 1272 transitions. [2020-10-28 23:38:07,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 23:38:07,202 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2020-10-28 23:38:07,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:38:07,214 INFO L225 Difference]: With dead ends: 1010 [2020-10-28 23:38:07,214 INFO L226 Difference]: Without dead ends: 989 [2020-10-28 23:38:07,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2020-10-28 23:38:07,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2020-10-28 23:38:07,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 705. [2020-10-28 23:38:07,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 705 states. [2020-10-28 23:38:07,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 847 transitions. [2020-10-28 23:38:07,345 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 847 transitions. Word has length 56 [2020-10-28 23:38:07,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:38:07,345 INFO L481 AbstractCegarLoop]: Abstraction has 705 states and 847 transitions. [2020-10-28 23:38:07,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 23:38:07,346 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 847 transitions. [2020-10-28 23:38:07,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-28 23:38:07,348 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:38:07,349 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:38:07,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 23:38:07,349 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:38:07,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:38:07,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1507464681, now seen corresponding path program 1 times [2020-10-28 23:38:07,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:38:07,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [435459923] [2020-10-28 23:38:07,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:38:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:07,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:07,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:07,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:08,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:08,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 23:38:08,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:38:08,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1306 [2020-10-28 23:38:08,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:08,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:08,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 23:38:08,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-28 23:38:08,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-28 23:38:08,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:09,031 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 23:38:09,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:38:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:09,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:09,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:09,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:09,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:09,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 23:38:09,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:09,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:09,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:09,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:09,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:09,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:09,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:38:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:09,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:09,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:09,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 23:38:09,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:09,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 23:38:09,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:09,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:09,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:09,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:09,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:09,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:09,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:09,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:09,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:09,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:09,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:09,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:38:09,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:09,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:09,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:09,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:09,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:09,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:09,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:38:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:09,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:09,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:09,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:09,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:09,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:38:09,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:09,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:09,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:09,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:09,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:09,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:09,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 23:38:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:09,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:09,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:09,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:38:09,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:09,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:38:09,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:09,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:09,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:38:09,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:09,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:38:09,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:09,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:38:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:09,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:09,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:09,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:09,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:09,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:38:09,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:09,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:09,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:38:09,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:09,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 23:38:09,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:09,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 23:38:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:09,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:09,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:09,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 23:38:09,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:09,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 23:38:09,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:09,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:09,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:38:09,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:09,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 23:38:09,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:09,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:38:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:09,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:09,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:09,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:09,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:09,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:38:09,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:09,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:09,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:09,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:09,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:09,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:09,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 23:38:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:09,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:09,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:09,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:09,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:09,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 23:38:09,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:09,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:09,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 23:38:09,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:09,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:38:09,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:09,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 23:38:09,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [435459923] [2020-10-28 23:38:09,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:38:09,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 23:38:09,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343143284] [2020-10-28 23:38:09,361 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 23:38:09,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:38:09,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 23:38:09,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 23:38:09,363 INFO L87 Difference]: Start difference. First operand 705 states and 847 transitions. Second operand 10 states. [2020-10-28 23:38:09,608 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:38:10,000 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 23:38:10,352 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-28 23:38:12,441 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 114 [2020-10-28 23:38:12,908 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 23:38:13,207 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 23:38:16,373 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 23:38:23,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:38:23,003 INFO L93 Difference]: Finished difference Result 2452 states and 3151 transitions. [2020-10-28 23:38:23,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-28 23:38:23,005 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2020-10-28 23:38:23,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:38:23,019 INFO L225 Difference]: With dead ends: 2452 [2020-10-28 23:38:23,019 INFO L226 Difference]: Without dead ends: 1747 [2020-10-28 23:38:23,024 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2020-10-28 23:38:23,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2020-10-28 23:38:23,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1473. [2020-10-28 23:38:23,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1473 states. [2020-10-28 23:38:23,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1473 states and 1830 transitions. [2020-10-28 23:38:23,304 INFO L78 Accepts]: Start accepts. Automaton has 1473 states and 1830 transitions. Word has length 60 [2020-10-28 23:38:23,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:38:23,304 INFO L481 AbstractCegarLoop]: Abstraction has 1473 states and 1830 transitions. [2020-10-28 23:38:23,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 23:38:23,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1830 transitions. [2020-10-28 23:38:23,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-28 23:38:23,310 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:38:23,310 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-10-28 23:38:23,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 23:38:23,311 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:38:23,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:38:23,312 INFO L82 PathProgramCache]: Analyzing trace with hash -34912563, now seen corresponding path program 1 times [2020-10-28 23:38:23,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:38:23,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [856558018] [2020-10-28 23:38:23,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:38:23,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:23,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:23,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:23,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:23,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:26,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:26,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:28,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:28,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-28 23:38:28,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 23:38:28,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 23:38:28,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:28,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:28,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:38:28,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-28 23:38:28,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 23:38:28,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:28,682 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 23:38:28,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:38:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:28,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:28,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:28,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:28,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:28,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 23:38:28,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:28,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:28,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:28,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:28,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:28,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:28,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:38:28,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:28,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:28,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:28,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 23:38:28,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:28,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 23:38:28,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:28,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:28,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:28,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:28,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:28,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:28,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:28,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:28,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:28,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:28,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:28,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:38:28,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:28,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:28,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:28,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:28,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:28,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:28,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:38:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:28,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:28,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:28,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:28,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:28,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:38:28,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:28,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:28,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:28,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:28,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:28,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:28,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 23:38:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:28,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:28,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:28,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:38:28,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:28,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:38:28,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:28,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:28,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:28,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:28,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:28,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:28,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:38:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:28,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:28,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:28,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:28,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:28,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:38:28,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:28,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:28,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:28,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:28,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:28,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:28,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 23:38:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:28,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:28,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:28,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:28,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 23:38:28,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:38:28,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-28 23:38:28,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:28,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:28,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:28,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-28 23:38:29,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:29,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:29,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:29,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:29,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:29,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:29,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:29,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:38:29,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:29,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:29,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:29,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:29,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:29,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:29,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:38:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:29,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:29,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:29,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:29,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:29,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:38:29,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:29,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:29,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:29,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:29,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:29,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:29,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 23:38:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:29,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:29,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:29,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:29,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 23:38:29,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:38:29,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 23:38:29,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:29,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:29,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:29,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:29,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:29,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:29,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:29,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:29,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:29,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:29,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 23:38:29,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:38:29,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 23:38:29,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:29,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:29,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:29,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:29,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:29,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:29,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 23:38:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:29,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:29,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:29,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 23:38:29,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:29,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:38:29,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:29,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:29,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:29,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 23:38:29,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:29,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:29,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:38:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:29,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:29,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:29,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:29,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:29,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 23:38:29,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:29,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:29,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:29,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:29,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:29,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:29,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-28 23:38:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:29,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:29,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:29,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:29,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:29,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:38:29,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:29,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:29,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:29,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:38:29,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:29,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:29,225 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-28 23:38:29,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [856558018] [2020-10-28 23:38:29,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:38:29,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 23:38:29,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444975447] [2020-10-28 23:38:29,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 23:38:29,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:38:29,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 23:38:29,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-28 23:38:29,236 INFO L87 Difference]: Start difference. First operand 1473 states and 1830 transitions. Second operand 9 states. [2020-10-28 23:38:29,464 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:38:29,811 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 23:38:30,101 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-28 23:38:35,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:38:35,402 INFO L93 Difference]: Finished difference Result 3357 states and 4326 transitions. [2020-10-28 23:38:35,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 23:38:35,404 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2020-10-28 23:38:35,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:38:35,416 INFO L225 Difference]: With dead ends: 3357 [2020-10-28 23:38:35,417 INFO L226 Difference]: Without dead ends: 1900 [2020-10-28 23:38:35,422 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-10-28 23:38:35,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2020-10-28 23:38:35,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1593. [2020-10-28 23:38:35,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1593 states. [2020-10-28 23:38:35,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 1989 transitions. [2020-10-28 23:38:35,613 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 1989 transitions. Word has length 102 [2020-10-28 23:38:35,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:38:35,617 INFO L481 AbstractCegarLoop]: Abstraction has 1593 states and 1989 transitions. [2020-10-28 23:38:35,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 23:38:35,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 1989 transitions. [2020-10-28 23:38:35,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-28 23:38:35,625 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:38:35,625 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:38:35,625 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 23:38:35,626 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:38:35,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:38:35,626 INFO L82 PathProgramCache]: Analyzing trace with hash 52339637, now seen corresponding path program 1 times [2020-10-28 23:38:35,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:38:35,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1608253370] [2020-10-28 23:38:35,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:38:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:35,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:35,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:35,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:36,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:36,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-28 23:38:36,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:38:36,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 774 [2020-10-28 23:38:36,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:36,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:36,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:38:36,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-28 23:38:36,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-28 23:38:36,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:36,708 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 23:38:36,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:38:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:36,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:36,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:36,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:36,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:36,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 23:38:36,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:36,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:36,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:36,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:36,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:36,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:36,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:38:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:36,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:36,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:36,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 23:38:36,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:36,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 23:38:36,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:36,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:36,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:36,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:36,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:36,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:36,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:36,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:36,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:36,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:36,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:36,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:38:36,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:36,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:36,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:36,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:36,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:36,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:36,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:38:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:36,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:36,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:36,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:36,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:36,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:38:36,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:36,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:36,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:36,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:36,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:36,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:36,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 23:38:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:36,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:36,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:36,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:38:36,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:36,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:38:36,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:36,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:36,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:36,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:36,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:36,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:36,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:38:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:36,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:36,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:36,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:36,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:36,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:38:36,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:36,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:36,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:36,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:36,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:36,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:36,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 23:38:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:36,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:36,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:36,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 23:38:36,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:36,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:38:36,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:36,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:36,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:36,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:36,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:36,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:36,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:38:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:36,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:36,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:36,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:36,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:36,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:38:36,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:36,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:36,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:36,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:36,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:36,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:36,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 23:38:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:36,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:37,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:37,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 23:38:37,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:37,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-28 23:38:37,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:37,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:37,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:38:37,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:37,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 23:38:37,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:37,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:37,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:37,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:37,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 23:38:37,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:37,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 23:38:37,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:37,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:37,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:37,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:37,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:37,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:37,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:37,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:37,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:37,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:37,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:37,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 23:38:37,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:37,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:37,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:37,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:37,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:37,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:37,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:38:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:37,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:37,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:37,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:37,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:37,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:38:37,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:37,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:37,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:37,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:37,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:37,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:37,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 23:38:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:37,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:37,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:37,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 23:38:37,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:37,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 23:38:37,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:37,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:37,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:37,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:37,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:37,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:37,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:37,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:37,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:37,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:37,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:37,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:38:37,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:37,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:37,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:37,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:37,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:37,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:37,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:38:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:37,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:37,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:37,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:37,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:37,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:38:37,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:37,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:37,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:37,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:37,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:37,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:37,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-28 23:38:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:37,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:37,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:37,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:37,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 23:38:37,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:38:37,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-28 23:38:37,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:37,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:37,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:37,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-28 23:38:37,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:37,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:37,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:37,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:37,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:37,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:37,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:37,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:38:37,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:37,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:37,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:37,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:37,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:37,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:37,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:38:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:37,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:37,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:37,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:37,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:37,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:38:37,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:37,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:37,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:37,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:37,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:37,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:37,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 23:38:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:37,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:37,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:37,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:37,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 23:38:37,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:38:37,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 23:38:37,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:37,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:37,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:37,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:37,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:37,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:37,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:37,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:37,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:37,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:37,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 23:38:37,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:38:37,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 23:38:37,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:37,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:37,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:37,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:37,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:37,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:37,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-28 23:38:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:37,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:37,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:37,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:38:37,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:37,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:38:37,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:37,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:37,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:37,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 23:38:37,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:37,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:37,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:38:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:37,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:37,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:37,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:37,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:37,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:38:37,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:37,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:37,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:37,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:37,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:37,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:37,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-28 23:38:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:37,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:37,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:37,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:37,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:37,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:38:37,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:37,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:37,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:37,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:38:37,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:37,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:37,542 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-28 23:38:37,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1608253370] [2020-10-28 23:38:37,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:38:37,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 23:38:37,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70630791] [2020-10-28 23:38:37,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 23:38:37,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:38:37,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 23:38:37,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-28 23:38:37,545 INFO L87 Difference]: Start difference. First operand 1593 states and 1989 transitions. Second operand 10 states. [2020-10-28 23:38:37,774 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:38:38,103 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 23:38:38,401 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-28 23:38:48,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:38:48,448 INFO L93 Difference]: Finished difference Result 4975 states and 6346 transitions. [2020-10-28 23:38:48,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 23:38:48,452 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 152 [2020-10-28 23:38:48,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:38:48,473 INFO L225 Difference]: With dead ends: 4975 [2020-10-28 23:38:48,473 INFO L226 Difference]: Without dead ends: 3412 [2020-10-28 23:38:48,480 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-10-28 23:38:48,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3412 states. [2020-10-28 23:38:48,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3412 to 2875. [2020-10-28 23:38:48,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2875 states. [2020-10-28 23:38:48,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 2875 states and 3559 transitions. [2020-10-28 23:38:48,857 INFO L78 Accepts]: Start accepts. Automaton has 2875 states and 3559 transitions. Word has length 152 [2020-10-28 23:38:48,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:38:48,858 INFO L481 AbstractCegarLoop]: Abstraction has 2875 states and 3559 transitions. [2020-10-28 23:38:48,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 23:38:48,859 INFO L276 IsEmpty]: Start isEmpty. Operand 2875 states and 3559 transitions. [2020-10-28 23:38:48,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-28 23:38:48,865 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:38:48,866 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:38:48,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 23:38:48,866 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:38:48,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:38:48,867 INFO L82 PathProgramCache]: Analyzing trace with hash 965274957, now seen corresponding path program 1 times [2020-10-28 23:38:48,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:38:48,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [696735039] [2020-10-28 23:38:48,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:38:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:48,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:49,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:49,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-28 23:38:49,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:49,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-10-28 23:38:49,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:49,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:49,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:38:49,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 154 [2020-10-28 23:38:49,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 23:38:49,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:49,383 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 23:38:49,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:38:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:49,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:49,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:49,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:49,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:49,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 23:38:49,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:49,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:49,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:49,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:49,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:49,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:49,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:38:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:49,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:49,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:49,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 23:38:49,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:49,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 23:38:49,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:49,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:49,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:49,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:49,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:49,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:49,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:49,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:49,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:49,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:49,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:49,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:38:49,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:49,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:49,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:49,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:49,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:49,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:49,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:38:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:49,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:49,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:49,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:49,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:49,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:38:49,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:49,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:49,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:49,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:49,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:49,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:49,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 23:38:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:49,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:49,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:49,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:38:49,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:49,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:38:49,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:49,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:49,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:49,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:49,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:49,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:49,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:38:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:49,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:49,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:49,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:49,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:49,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:38:49,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:49,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:49,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:49,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:49,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:49,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:49,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 23:38:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:49,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:49,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:49,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 23:38:49,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:49,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:38:49,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:49,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:49,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:49,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:49,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:49,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:49,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:38:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:49,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:49,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:49,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:49,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:49,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:38:49,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:49,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:49,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:49,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:49,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:49,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:49,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 23:38:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:49,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:49,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:49,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 23:38:49,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:49,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 23:38:49,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:49,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:49,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:49,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:49,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:49,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:49,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:49,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:49,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:49,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 23:38:49,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:49,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 23:38:49,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:49,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:49,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:49,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:49,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:49,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:49,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:49,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:49,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:49,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:49,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:49,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:38:49,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:49,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:49,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:49,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:49,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:49,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:49,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:38:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:49,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:49,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:49,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:49,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:49,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:38:49,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:49,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:49,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:49,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:49,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:49,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:49,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 23:38:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:49,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:49,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:49,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 23:38:49,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:49,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 23:38:49,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:49,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:49,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:49,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:49,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:49,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:49,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:49,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:49,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:49,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:49,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:49,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:38:49,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:49,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:49,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:49,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:49,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:49,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:49,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:38:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:49,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:49,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:49,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:49,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:49,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:38:49,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:49,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:49,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:49,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:49,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:49,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:49,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 23:38:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:49,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:49,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:49,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 23:38:49,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:49,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 23:38:49,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:49,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:49,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:38:49,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 23:38:49,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 23:38:49,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:49,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:49,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:49,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:49,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:49,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:49,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:38:49,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:49,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:49,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:49,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:49,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:49,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:49,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:38:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:49,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:49,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:49,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:49,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:49,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:38:49,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:49,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:49,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:49,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:49,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:49,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:49,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 23:38:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:49,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:49,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:49,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 23:38:49,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:49,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 23:38:49,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:49,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:49,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:38:49,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 23:38:49,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 23:38:49,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:49,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:49,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:49,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:49,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 23:38:49,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:49,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 23:38:49,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:49,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:49,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:38:49,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 23:38:49,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 23:38:49,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:50,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-28 23:38:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:50,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:50,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:50,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:38:50,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:50,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:38:50,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:50,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:50,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:50,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 23:38:50,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:50,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:50,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:38:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:50,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:50,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:50,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:50,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:50,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:38:50,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:50,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:50,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:50,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:50,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:50,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:50,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-28 23:38:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:50,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:50,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:50,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:50,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:50,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:38:50,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:50,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:50,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:50,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:38:50,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:50,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:50,085 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-28 23:38:50,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [696735039] [2020-10-28 23:38:50,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:38:50,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 23:38:50,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164935949] [2020-10-28 23:38:50,087 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 23:38:50,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:38:50,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 23:38:50,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-28 23:38:50,088 INFO L87 Difference]: Start difference. First operand 2875 states and 3559 transitions. Second operand 10 states. [2020-10-28 23:38:50,320 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:38:52,790 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 23:38:56,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:38:56,531 INFO L93 Difference]: Finished difference Result 4962 states and 6453 transitions. [2020-10-28 23:38:56,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 23:38:56,532 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 152 [2020-10-28 23:38:56,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:38:56,556 INFO L225 Difference]: With dead ends: 4962 [2020-10-28 23:38:56,556 INFO L226 Difference]: Without dead ends: 3399 [2020-10-28 23:38:56,563 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-28 23:38:56,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3399 states. [2020-10-28 23:38:56,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3399 to 2883. [2020-10-28 23:38:56,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2883 states. [2020-10-28 23:38:56,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2883 states to 2883 states and 3567 transitions. [2020-10-28 23:38:56,890 INFO L78 Accepts]: Start accepts. Automaton has 2883 states and 3567 transitions. Word has length 152 [2020-10-28 23:38:56,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:38:56,892 INFO L481 AbstractCegarLoop]: Abstraction has 2883 states and 3567 transitions. [2020-10-28 23:38:56,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 23:38:56,892 INFO L276 IsEmpty]: Start isEmpty. Operand 2883 states and 3567 transitions. [2020-10-28 23:38:56,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-28 23:38:56,899 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:38:56,938 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:38:56,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 23:38:56,938 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:38:56,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:38:56,939 INFO L82 PathProgramCache]: Analyzing trace with hash 230553996, now seen corresponding path program 1 times [2020-10-28 23:38:56,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:38:56,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1106326645] [2020-10-28 23:38:56,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:38:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:57,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:57,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:59,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:01,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:01,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-28 23:39:01,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:39:01,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4572 [2020-10-28 23:39:01,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:01,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:01,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-28 23:39:01,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-28 23:39:01,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-28 23:39:01,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:01,860 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 23:39:01,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:39:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:01,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:01,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:01,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:01,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:01,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 23:39:01,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:01,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:01,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:01,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:01,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:01,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:01,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:39:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:01,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:01,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:01,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 23:39:01,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:01,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 23:39:01,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:01,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:01,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:01,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:01,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:01,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:39:01,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:01,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:01,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:01,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:01,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:01,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:39:01,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:01,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:01,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:01,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:01,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:01,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:01,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:39:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:01,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:01,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:01,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:01,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:01,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:39:01,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:01,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:01,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:01,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:01,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:01,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:01,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 23:39:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:01,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:02,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:02,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:39:02,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:02,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:39:02,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:02,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:02,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:39:02,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:02,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:39:02,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:02,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:39:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:02,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:02,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:02,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:02,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:02,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:39:02,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:02,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:02,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:39:02,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:02,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 23:39:02,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:02,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 23:39:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:02,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:02,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:02,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 23:39:02,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:02,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:39:02,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:02,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:02,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:39:02,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:02,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 23:39:02,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:02,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:39:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:02,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:02,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:02,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:02,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:02,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:39:02,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:02,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:02,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:02,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:02,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:02,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:02,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 23:39:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:02,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:02,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:02,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 23:39:02,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:02,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-28 23:39:02,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:02,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:02,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:39:02,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:02,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 23:39:02,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:02,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:02,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:02,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:02,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 23:39:02,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:02,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 23:39:02,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:02,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:02,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:02,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:02,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:02,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:02,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:02,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:02,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:39:02,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:02,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:02,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:02,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:02,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:02,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:02,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:39:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:02,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:02,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:02,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:02,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:02,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:39:02,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:02,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:02,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:02,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:02,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:02,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:02,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 23:39:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:02,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:02,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:02,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 23:39:02,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:02,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 23:39:02,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:02,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:02,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:02,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:02,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:02,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 23:39:02,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:02,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:02,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:02,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:02,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:02,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:39:02,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:02,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:02,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:02,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:02,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:02,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:02,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:39:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:02,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:02,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:02,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:02,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:02,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:39:02,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:02,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:02,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:02,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:02,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:02,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:02,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 23:39:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:02,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:02,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:02,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:02,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-28 23:39:02,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:39:02,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-10-28 23:39:02,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:02,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:02,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-28 23:39:02,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 23:39:02,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 23:39:02,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:02,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:02,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:02,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:02,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:02,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:02,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:39:02,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:02,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:02,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:39:02,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:02,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 23:39:02,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:02,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:39:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:02,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:02,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:02,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:02,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:02,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:39:02,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:02,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:02,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:39:02,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:02,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 23:39:02,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:02,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 23:39:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:02,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:02,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:02,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:02,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 23:39:02,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:39:02,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-28 23:39:02,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:02,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:02,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 23:39:02,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 23:39:02,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 23:39:02,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:02,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:02,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:03,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:03,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:39:03,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:03,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-28 23:39:03,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:03,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:03,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 23:39:03,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 23:39:03,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 23:39:03,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:03,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 23:39:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:03,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:03,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:03,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:39:03,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:03,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:39:03,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:03,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:03,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:03,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 23:39:03,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:03,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:03,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:39:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:03,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:03,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:03,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:03,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:03,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:39:03,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:03,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:03,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:03,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:03,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:03,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:03,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-28 23:39:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:03,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:03,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:03,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:03,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:03,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:39:03,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:03,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:03,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:03,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:39:03,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:03,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:39:03,131 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-28 23:39:03,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1106326645] [2020-10-28 23:39:03,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:39:03,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-28 23:39:03,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892859773] [2020-10-28 23:39:03,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 23:39:03,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:39:03,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 23:39:03,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-28 23:39:03,133 INFO L87 Difference]: Start difference. First operand 2883 states and 3567 transitions. Second operand 13 states. [2020-10-28 23:39:03,368 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:39:03,740 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 23:39:04,098 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:39:07,461 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-10-28 23:39:10,255 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2020-10-28 23:39:10,813 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-10-28 23:39:11,207 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 23:39:19,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:39:19,087 INFO L93 Difference]: Finished difference Result 6700 states and 8512 transitions. [2020-10-28 23:39:19,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-28 23:39:19,088 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 154 [2020-10-28 23:39:19,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:39:19,110 INFO L225 Difference]: With dead ends: 6700 [2020-10-28 23:39:19,111 INFO L226 Difference]: Without dead ends: 3847 [2020-10-28 23:39:19,121 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=180, Invalid=576, Unknown=0, NotChecked=0, Total=756 [2020-10-28 23:39:19,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3847 states. [2020-10-28 23:39:19,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3847 to 2855. [2020-10-28 23:39:19,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2855 states. [2020-10-28 23:39:19,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2855 states to 2855 states and 3443 transitions. [2020-10-28 23:39:19,485 INFO L78 Accepts]: Start accepts. Automaton has 2855 states and 3443 transitions. Word has length 154 [2020-10-28 23:39:19,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:39:19,487 INFO L481 AbstractCegarLoop]: Abstraction has 2855 states and 3443 transitions. [2020-10-28 23:39:19,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 23:39:19,487 INFO L276 IsEmpty]: Start isEmpty. Operand 2855 states and 3443 transitions. [2020-10-28 23:39:19,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-10-28 23:39:19,497 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:39:19,498 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:39:19,498 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 23:39:19,498 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:39:19,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:39:19,499 INFO L82 PathProgramCache]: Analyzing trace with hash -144653042, now seen corresponding path program 1 times [2020-10-28 23:39:19,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:39:19,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [139913330] [2020-10-28 23:39:19,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:39:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:19,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:21,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:21,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-28 23:39:21,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:21,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2195 [2020-10-28 23:39:21,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:21,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:21,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-28 23:39:21,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-28 23:39:21,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-10-28 23:39:21,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:22,077 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 23:39:22,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:39:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:22,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:22,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:22,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:22,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:22,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 23:39:22,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:22,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:22,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:22,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:22,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:22,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:22,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:39:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:22,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:22,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:22,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 23:39:22,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:22,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 23:39:22,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:22,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:22,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:22,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:22,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:22,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:22,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:22,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:22,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:22,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:22,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:22,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:39:22,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:22,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:22,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:22,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:22,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:22,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:39:22,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:39:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:22,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:22,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:22,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:22,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:22,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:39:22,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:22,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:22,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:22,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:22,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:22,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 23:39:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:22,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:22,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:22,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:39:22,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:22,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:39:22,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:22,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:22,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:39:22,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:22,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:39:22,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:22,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:39:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:22,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:22,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:22,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:22,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:22,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:39:22,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:22,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:22,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:39:22,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:22,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 23:39:22,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:39:22,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 23:39:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:22,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:22,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:22,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 23:39:22,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:22,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:39:22,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:22,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:22,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:39:22,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:22,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 23:39:22,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:22,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:39:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:22,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:22,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:22,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:22,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:22,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:39:22,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:22,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:22,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:22,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:22,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:22,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:39:22,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 23:39:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:22,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:22,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:22,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 23:39:22,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:22,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-28 23:39:22,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:22,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:22,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:39:22,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:22,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 23:39:22,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:39:22,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:22,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:22,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:22,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 23:39:22,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:22,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 23:39:22,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:22,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:22,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:22,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:22,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:22,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:22,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:22,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:22,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:22,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:22,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:22,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:39:22,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:22,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:22,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:22,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:22,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:22,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:22,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:39:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:22,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:22,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:22,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:22,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:22,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:39:22,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:22,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:22,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:22,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:22,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:22,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:39:22,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 23:39:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:22,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:22,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:22,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 23:39:22,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:22,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 23:39:22,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:22,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:22,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:22,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:22,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:22,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:22,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:22,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:22,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:22,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:22,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:22,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:39:22,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:22,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:22,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:22,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:22,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:22,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:22,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:39:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:22,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:22,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:22,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:22,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:22,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:39:22,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:22,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:22,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:22,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:22,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:22,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:22,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 23:39:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:22,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:23,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:23,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-28 23:39:23,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:23,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 647 [2020-10-28 23:39:23,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:23,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:23,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-28 23:39:23,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 23:39:23,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-28 23:39:23,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:23,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:23,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:23,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:23,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:23,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:23,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:39:23,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:23,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:23,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:39:23,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:23,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 23:39:23,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:23,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:39:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:23,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:23,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:23,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:23,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:23,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:39:23,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:23,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:23,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:39:23,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:23,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 23:39:23,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:23,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 23:39:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:23,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:23,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:23,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:23,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:23,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:39:23,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:23,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:23,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:39:23,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:23,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:39:23,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:23,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 23:39:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:23,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:23,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:23,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 23:39:23,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:23,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-10-28 23:39:23,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:23,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:23,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-28 23:39:23,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 23:39:23,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-28 23:39:23,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:23,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:23,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:23,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:23,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-28 23:39:23,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:23,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 284 [2020-10-28 23:39:23,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:23,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:23,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-28 23:39:23,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 23:39:23,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-28 23:39:23,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:24,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:24,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:24,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:24,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-28 23:39:24,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:24,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-28 23:39:24,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:24,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:24,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 23:39:24,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 23:39:24,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-28 23:39:24,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:24,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:24,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:24,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:24,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 23:39:24,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:24,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-28 23:39:24,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:24,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:24,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 23:39:24,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 23:39:24,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 23:39:24,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:24,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:24,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:24,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:24,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 23:39:24,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:24,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 23:39:24,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:24,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:24,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:39:24,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:24,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 23:39:24,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:39:24,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:24,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:24,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:24,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:24,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:24,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:39:24,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:24,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:24,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:24,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:24,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:24,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:39:24,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:39:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:24,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:24,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:24,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:24,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:24,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:39:24,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:24,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:24,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:24,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:24,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:24,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:39:24,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 23:39:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:24,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:24,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:24,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 23:39:24,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:24,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 23:39:24,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:24,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:24,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 23:39:24,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 23:39:24,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 23:39:24,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:39:24,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 23:39:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:24,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:24,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:24,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 23:39:24,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:24,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 23:39:24,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:24,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:24,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 23:39:24,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 23:39:24,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 23:39:24,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:24,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:24,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:24,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:24,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 23:39:24,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:24,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 23:39:24,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:24,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:24,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 23:39:24,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 23:39:24,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 23:39:24,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:24,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-28 23:39:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:24,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:24,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:24,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:39:24,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:24,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:39:24,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:24,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:24,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:24,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 23:39:24,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:24,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:24,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:39:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:24,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:24,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:24,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:24,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:24,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:39:24,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:24,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:24,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:24,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:24,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:24,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:24,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-28 23:39:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:24,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:24,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:24,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:24,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:24,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:39:24,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:24,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:24,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:24,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:39:24,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:24,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:24,726 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-10-28 23:39:24,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [139913330] [2020-10-28 23:39:24,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:39:24,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-28 23:39:24,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142998420] [2020-10-28 23:39:24,728 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-28 23:39:24,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:39:24,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-28 23:39:24,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2020-10-28 23:39:24,729 INFO L87 Difference]: Start difference. First operand 2855 states and 3443 transitions. Second operand 15 states. [2020-10-28 23:39:24,956 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:39:25,297 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 23:39:25,647 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-28 23:39:28,774 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2020-10-28 23:39:29,362 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-10-28 23:39:29,764 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 23:39:35,493 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2020-10-28 23:39:36,080 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2020-10-28 23:39:36,513 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 23:39:44,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:39:44,533 INFO L93 Difference]: Finished difference Result 7825 states and 9939 transitions. [2020-10-28 23:39:44,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-28 23:39:44,534 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 199 [2020-10-28 23:39:44,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:39:44,569 INFO L225 Difference]: With dead ends: 7825 [2020-10-28 23:39:44,569 INFO L226 Difference]: Without dead ends: 6250 [2020-10-28 23:39:44,578 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 61 SyntacticMatches, 6 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 355 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=306, Invalid=1100, Unknown=0, NotChecked=0, Total=1406 [2020-10-28 23:39:44,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6250 states. [2020-10-28 23:39:45,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6250 to 4909. [2020-10-28 23:39:45,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4909 states. [2020-10-28 23:39:45,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4909 states to 4909 states and 6189 transitions. [2020-10-28 23:39:45,208 INFO L78 Accepts]: Start accepts. Automaton has 4909 states and 6189 transitions. Word has length 199 [2020-10-28 23:39:45,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:39:45,209 INFO L481 AbstractCegarLoop]: Abstraction has 4909 states and 6189 transitions. [2020-10-28 23:39:45,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-28 23:39:45,209 INFO L276 IsEmpty]: Start isEmpty. Operand 4909 states and 6189 transitions. [2020-10-28 23:39:45,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-28 23:39:45,218 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:39:45,218 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:39:45,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 23:39:45,218 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:39:45,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:39:45,219 INFO L82 PathProgramCache]: Analyzing trace with hash -559117265, now seen corresponding path program 1 times [2020-10-28 23:39:45,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:39:45,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [143662909] [2020-10-28 23:39:45,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:39:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:45,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:45,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:45,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-10-28 23:39:45,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:45,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 519 [2020-10-28 23:39:45,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:45,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:45,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 23:39:45,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 222 [2020-10-28 23:39:45,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 23:39:45,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,037 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 23:39:46,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:39:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:46,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 23:39:46,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:46,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:39:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 23:39:46,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:39:46,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:46,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:46,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:39:46,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:46,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:39:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:46,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:39:46,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:46,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 23:39:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:39:46,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:39:46,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:46,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:39:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:46,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:39:46,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:46,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 23:39:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 23:39:46,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:39:46,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:46,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:39:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:46,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:39:46,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:46,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 23:39:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 23:39:46,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 23:39:46,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:46,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 23:39:46,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 23:39:46,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:46,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:46,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:39:46,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:46,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:39:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:46,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:39:46,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:46,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 23:39:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 23:39:46,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 23:39:46,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:46,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:39:46,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:46,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:39:46,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:46,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:39:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:46,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:39:46,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:46,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 23:39:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-28 23:39:46,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-28 23:39:46,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 23:39:46,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-28 23:39:46,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 23:39:46,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:46,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:39:46,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:46,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:39:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:46,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:39:46,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:46,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:39:46,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 23:39:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:46,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:39:46,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:46,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 23:39:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 23:39:46,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 23:39:46,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:46,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-28 23:39:46,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 23:39:46,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:46,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-28 23:39:46,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 23:39:46,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:46,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 23:39:46,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 23:39:46,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:46,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 23:39:46,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 23:39:46,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:46,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:46,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:39:46,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:46,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:39:46,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:39:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:46,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:39:46,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:46,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:39:46,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 23:39:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 23:39:46,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:39:46,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:46,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 23:39:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 23:39:46,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 23:39:46,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 23:39:46,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 23:39:46,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 23:39:46,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:39:46,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 23:39:46,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 23:39:46,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 23:39:46,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 23:39:46,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-28 23:39:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:39:46,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:39:46,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 23:39:46,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:39:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:46,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:46,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:46,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:46,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:46,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:39:46,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:46,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:46,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:46,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:46,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:46,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:46,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-28 23:39:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:47,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:47,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:47,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:47,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:47,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:39:47,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:47,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:47,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:47,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:39:47,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:47,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:47,056 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-10-28 23:39:47,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [143662909] [2020-10-28 23:39:47,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:39:47,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 23:39:47,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831904125] [2020-10-28 23:39:47,058 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 23:39:47,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:39:47,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 23:39:47,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-28 23:39:47,059 INFO L87 Difference]: Start difference. First operand 4909 states and 6189 transitions. Second operand 11 states. [2020-10-28 23:39:47,286 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 23:39:49,471 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 23:39:51,556 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 23:39:53,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:39:53,359 INFO L93 Difference]: Finished difference Result 9258 states and 12213 transitions. [2020-10-28 23:39:53,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 23:39:53,360 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 201 [2020-10-28 23:39:53,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:39:53,393 INFO L225 Difference]: With dead ends: 9258 [2020-10-28 23:39:53,393 INFO L226 Difference]: Without dead ends: 5653 [2020-10-28 23:39:53,407 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2020-10-28 23:39:53,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5653 states. [2020-10-28 23:39:53,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5653 to 4901. [2020-10-28 23:39:53,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4901 states. [2020-10-28 23:39:53,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4901 states to 4901 states and 6165 transitions. [2020-10-28 23:39:53,963 INFO L78 Accepts]: Start accepts. Automaton has 4901 states and 6165 transitions. Word has length 201 [2020-10-28 23:39:53,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:39:53,964 INFO L481 AbstractCegarLoop]: Abstraction has 4901 states and 6165 transitions. [2020-10-28 23:39:53,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 23:39:53,964 INFO L276 IsEmpty]: Start isEmpty. Operand 4901 states and 6165 transitions. [2020-10-28 23:39:53,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-28 23:39:53,973 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:39:53,974 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:39:53,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 23:39:53,974 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:39:53,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:39:53,975 INFO L82 PathProgramCache]: Analyzing trace with hash 983401014, now seen corresponding path program 1 times [2020-10-28 23:39:53,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:39:53,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1741244469] [2020-10-28 23:39:53,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:39:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-28 23:39:54,050 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-28 23:39:54,050 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-28 23:39:54,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 23:39:54,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:39:54 BoogieIcfgContainer [2020-10-28 23:39:54,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 23:39:54,099 INFO L168 Benchmark]: Toolchain (without parser) took 129361.02 ms. Allocated memory was 151.0 MB in the beginning and 887.1 MB in the end (delta: 736.1 MB). Free memory was 100.9 MB in the beginning and 369.0 MB in the end (delta: -268.1 MB). Peak memory consumption was 468.9 MB. Max. memory is 8.0 GB. [2020-10-28 23:39:54,100 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 125.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 23:39:54,102 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1802.43 ms. Allocated memory was 151.0 MB in the beginning and 191.9 MB in the end (delta: 40.9 MB). Free memory was 100.3 MB in the beginning and 149.4 MB in the end (delta: -49.2 MB). Peak memory consumption was 43.0 MB. Max. memory is 8.0 GB. [2020-10-28 23:39:54,102 INFO L168 Benchmark]: Boogie Preprocessor took 169.87 ms. Allocated memory is still 191.9 MB. Free memory was 149.4 MB in the beginning and 142.2 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-28 23:39:54,103 INFO L168 Benchmark]: RCFGBuilder took 2118.17 ms. Allocated memory is still 191.9 MB. Free memory was 142.2 MB in the beginning and 114.1 MB in the end (delta: 28.1 MB). Peak memory consumption was 56.3 MB. Max. memory is 8.0 GB. [2020-10-28 23:39:54,103 INFO L168 Benchmark]: TraceAbstraction took 125251.51 ms. Allocated memory was 191.9 MB in the beginning and 887.1 MB in the end (delta: 695.2 MB). Free memory was 113.6 MB in the beginning and 369.0 MB in the end (delta: -255.4 MB). Peak memory consumption was 439.8 MB. Max. memory is 8.0 GB. [2020-10-28 23:39:54,111 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 125.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1802.43 ms. Allocated memory was 151.0 MB in the beginning and 191.9 MB in the end (delta: 40.9 MB). Free memory was 100.3 MB in the beginning and 149.4 MB in the end (delta: -49.2 MB). Peak memory consumption was 43.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 169.87 ms. Allocated memory is still 191.9 MB. Free memory was 149.4 MB in the beginning and 142.2 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2118.17 ms. Allocated memory is still 191.9 MB. Free memory was 142.2 MB in the beginning and 114.1 MB in the end (delta: 28.1 MB). Peak memory consumption was 56.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 125251.51 ms. Allocated memory was 191.9 MB in the beginning and 887.1 MB in the end (delta: 695.2 MB). Free memory was 113.6 MB in the beginning and 369.0 MB in the end (delta: -255.4 MB). Peak memory consumption was 439.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L5343] int LDV_IN_INTERRUPT = 1; [L5344] struct sk_buff *proto_group0 ; [L5345] int ref_cnt ; [L5346] int ldv_state_variable_1 ; [L5347] struct net_device *proto_group1 ; [L5348] int ldv_state_variable_0 ; [L5564-L5566] static struct hdlc_proto proto = {& x25_open, & x25_close, 0, 0, 0, & x25_ioctl, 0, & x25_rx, & x25_xmit, & __this_module, 0}; [L5633] int ldv_retval_0 ; [L5634] int ldv_retval_1 ; [L5837] Element set_impl[15] ; [L5838] int last_index = 0; [L5972] Set LDV_SKBS ; [L5651] struct ifreq *ldvarg0 ; [L5652] void *tmp ; [L5653] int tmp___0 ; [L5654] int tmp___1 ; [L5655] int tmp___2 ; [L5657] CALL, EXPR ldv_successful_zalloc(40UL) [L5262] EXPR, FCALL calloc(1UL, __size) [L5262] void *p = calloc(1UL, __size); [L5263] CALL assume_abort_if_not(p != (void *)0) [L5259] COND FALSE !(!cond) [L5263] RET assume_abort_if_not(p != (void *)0) [L5264] return p; [L5657] RET, EXPR ldv_successful_zalloc(40UL) [L5657] tmp = ldv_successful_zalloc(40UL) [L5658] ldvarg0 = (struct ifreq *)tmp [L5659] CALL ldv_initialize() [L5991] CALL ldv_set_init(LDV_SKBS) [L5843] set = set_impl [L5844] last_index = 0 [L5991] RET ldv_set_init(LDV_SKBS) [L5659] RET ldv_initialize() [L5660] ldv_state_variable_1 = 0 [L5661] ref_cnt = 0 [L5662] ldv_state_variable_0 = 1 [L5664] tmp___0 = __VERIFIER_nondet_int() [L5666] case 0: [L5731] case 1: [L5732] COND TRUE ldv_state_variable_0 != 0 [L5733] tmp___2 = __VERIFIER_nondet_int() [L5735] case 0: [L5743] case 1: [L5744] COND TRUE ldv_state_variable_0 == 1 [L5745] CALL, EXPR mod_init() [L5622] FCALL register_hdlc_protocol(& proto) [L5623] return (0); [L5745] RET, EXPR mod_init() [L5745] ldv_retval_1 = mod_init() [L5746] COND TRUE ldv_retval_1 == 0 [L5747] ldv_state_variable_0 = 3 [L5748] ldv_state_variable_1 = 1 [L5749] CALL ldv_initialize_hdlc_proto_1() [L5639] void *tmp ; [L5640] void *tmp___0 ; [L5642] CALL, EXPR ldv_successful_zalloc(3264UL) [L5262] EXPR, FCALL calloc(1UL, __size) [L5262] void *p = calloc(1UL, __size); [L5263] CALL assume_abort_if_not(p != (void *)0) [L5259] COND FALSE !(!cond) [L5263] RET assume_abort_if_not(p != (void *)0) [L5264] return p; [L5642] RET, EXPR ldv_successful_zalloc(3264UL) [L5642] tmp = ldv_successful_zalloc(3264UL) [L5643] proto_group1 = (struct net_device *)tmp [L5644] CALL, EXPR ldv_successful_zalloc(232UL) [L5262] EXPR, FCALL calloc(1UL, __size) [L5262] void *p = calloc(1UL, __size); [L5263] CALL assume_abort_if_not(p != (void *)0) [L5259] COND FALSE !(!cond) [L5263] RET assume_abort_if_not(p != (void *)0) [L5264] return p; [L5644] RET, EXPR ldv_successful_zalloc(232UL) [L5644] tmp___0 = ldv_successful_zalloc(232UL) [L5645] proto_group0 = (struct sk_buff *)tmp___0 [L5749] RET ldv_initialize_hdlc_proto_1() [L5752] COND FALSE !(ldv_retval_1 != 0) [L5664] tmp___0 = __VERIFIER_nondet_int() [L5666] case 0: [L5667] COND TRUE ldv_state_variable_1 != 0 [L5668] tmp___1 = __VERIFIER_nondet_int() [L5670] case 0: [L5671] COND TRUE ldv_state_variable_1 == 1 [L5672] CALL x25_xmit(proto_group0, proto_group1) [L5471] int result ; [L5473] CALL assume_abort_if_not(((void*)(skb)) != ((void*) 0)) [L5259] COND FALSE !(!cond) [L5473] RET assume_abort_if_not(((void*)(skb)) != ((void*) 0)) [L5474] EXPR skb->data [L5474] CALL assume_abort_if_not(((void*)((skb->data))) != ((void*) 0)) [L5259] COND FALSE !(!cond) [L5474] RET assume_abort_if_not(((void*)((skb->data))) != ((void*) 0)) [L5475] skb->data [L5476] case 0: [L5484] case 1: [L5496] case 2: [L5497] CALL, EXPR lapb_disconnect_request(dev) [L6080] return __VERIFIER_nondet_int(); [L5497] RET, EXPR lapb_disconnect_request(dev) [L5497] result = lapb_disconnect_request(dev) [L5498] COND TRUE result != 0 [L5499] COND TRUE result == 4 [L5500] CALL x25_disconnected(dev, 0) [L5435] CALL x25_connect_disconnect(dev, reason, 2) [L5409] struct sk_buff *skb ; [L5410] unsigned char *ptr ; [L5412] CALL, EXPR ldv_dev_alloc_skb_12(1U) [L5814] struct sk_buff *tmp ; [L5816] CALL, EXPR ldv_skb_alloc() [L5975] void *skb ; [L5976] void *tmp___7 ; [L5978] CALL, EXPR ldv_successful_zalloc(sizeof(struct sk_buff___0 )) [L5262] EXPR, FCALL calloc(1UL, __size) [L5262] void *p = calloc(1UL, __size); [L5263] CALL assume_abort_if_not(p != (void *)0) [L5259] COND FALSE !(!cond) [L5263] RET assume_abort_if_not(p != (void *)0) [L5264] return p; [L5978] RET, EXPR ldv_successful_zalloc(sizeof(struct sk_buff___0 )) [L5978] tmp___7 = ldv_successful_zalloc(sizeof(struct sk_buff___0 )) [L5979] skb = (struct sk_buff___0 *)tmp___7 [L5980] COND FALSE !(! skb) [L5983] CALL ldv_set_add(LDV_SKBS, skb) [L5851] int i ; [L5853] i = 0 [L5854] COND TRUE 1 [L5855] COND FALSE !(i < last_index) [L5865] COND TRUE last_index < 15 [L5866] set_impl[last_index] = e [L5867] last_index = last_index + 1 [L5983] RET ldv_set_add(LDV_SKBS, skb) [L5984] return (skb); [L5816] RET, EXPR ldv_skb_alloc() [L5816] tmp = ldv_skb_alloc() [L5817] return (tmp); [L5412] RET, EXPR ldv_dev_alloc_skb_12(1U) [L5412] skb = ldv_dev_alloc_skb_12(1U) [L5413] COND TRUE (unsigned long )skb == (unsigned long )((struct sk_buff *)0) [L5435] RET x25_connect_disconnect(dev, reason, 2) [L5500] RET x25_disconnected(dev, 0) [L5512] CALL ldv_skb_free(skb) [L5998] CALL ldv_set_remove(LDV_SKBS, skb) [L5876] int i ; [L5877] int deleted_index ; [L5879] deleted_index = -1 [L5880] i = 0 [L5881] COND TRUE 1 [L5882] COND TRUE i < last_index [L5886] EXPR set_impl[i] [L5886] COND FALSE !((unsigned long )set_impl[i] == (unsigned long )e) [L5891] i = i + 1 [L5881] COND TRUE 1 [L5882] COND FALSE !(i < last_index) [L5893] COND FALSE !(deleted_index != -1) [L5998] RET ldv_set_remove(LDV_SKBS, skb) [L5512] RET ldv_skb_free(skb) [L5513] return (0); [L5672] RET x25_xmit(proto_group0, proto_group1) [L5673] ldv_state_variable_1 = 1 [L5676] COND FALSE !(ldv_state_variable_1 == 2) [L5664] tmp___0 = __VERIFIER_nondet_int() [L5666] case 0: [L5731] case 1: [L5732] COND TRUE ldv_state_variable_0 != 0 [L5733] tmp___2 = __VERIFIER_nondet_int() [L5735] case 0: [L5736] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L5737] CALL mod_exit() [L5629] FCALL unregister_hdlc_protocol(& proto) [L5737] RET mod_exit() [L5738] ldv_state_variable_0 = 2 [L5773] CALL ldv_check_final_state() [L6042] int tmp___7 ; [L6044] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L5933] return (last_index == 0); [L6044] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L6044] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L6045] COND FALSE !(\read(tmp___7)) [L6047] CALL ldv_error() [L5320] CALL reach_error() [L12] COND FALSE !(0) [L12] __assert_fail ("0", "205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.c", 3, __extension__ __PRETTY_FUNCTION__) - StatisticsResult: Ultimate Automizer benchmark data CFG has 90 procedures, 545 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 125.1s, OverallIterations: 10, TraceHistogramMax: 6, AutomataDifference: 93.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3619 SDtfs, 13402 SDslu, 5853 SDs, 0 SdLazy, 16012 SolverSat, 8819 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 65.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 508 GetRequests, 346 SyntacticMatches, 8 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 732 ImplicationChecksByTransitivity, 16.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4909occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 5145 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 27.0s InterpolantComputationTime, 1335 NumberOfCodeBlocks, 1335 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1123 ConstructedInterpolants, 0 QuantifiedInterpolants, 499182 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 509/509 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...