/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --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=0.8 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -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 0.1.25-c90d42b [2020-09-25 08:31:13,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:31:13,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:31:13,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:31:13,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:31:13,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:31:13,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:31:13,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:31:13,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:31:13,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:31:13,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:31:13,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:31:13,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:31:13,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:31:13,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:31:13,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:31:13,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:31:13,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:31:13,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:31:13,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:31:13,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:31:13,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:31:13,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:31:13,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:31:13,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:31:13,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:31:13,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:31:13,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:31:13,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:31:13,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:31:13,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:31:13,742 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:31:13,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:31:13,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:31:13,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:31:13,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:31:13,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:31:13,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:31:13,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:31:13,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:31:13,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:31:13,750 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 [2020-09-25 08:31:13,776 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:31:13,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:31:13,778 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:31:13,778 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:31:13,779 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:31:13,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:31:13,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:31:13,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:31:13,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:31:13,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:31:13,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:31:13,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:31:13,780 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:31:13,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:31:13,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:31:13,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:31:13,781 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:31:13,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:31:13,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:31:13,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:31:13,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:31:13,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:31:13,783 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:31:13,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:31:13,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:31:13,783 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:31:13,783 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 08:31:13,784 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement 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=0.8;log-additional-information=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=0.8;log-additional-information=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=0.8;log-additional-information=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=0.8;log-additional-information=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=0.8;log-additional-information=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=0.8;log-additional-information=true; [2020-09-25 08:31:14,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:31:14,270 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:31:14,278 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:31:14,280 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:31:14,281 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:31:14,284 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-09-25 08:31:14,376 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/63f1d5eb2/b88f0b446d654432969fcfdd472011e0/FLAG2b878bb3f [2020-09-25 08:31:15,235 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:31:15,236 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-09-25 08:31:15,274 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/63f1d5eb2/b88f0b446d654432969fcfdd472011e0/FLAG2b878bb3f [2020-09-25 08:31:15,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/63f1d5eb2/b88f0b446d654432969fcfdd472011e0 [2020-09-25 08:31:15,783 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:31:15,788 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:31:15,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:31:15,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:31:15,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:31:15,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:31:15" (1/1) ... [2020-09-25 08:31:15,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e8d2598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:15, skipping insertion in model container [2020-09-25 08:31:15,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:31:15" (1/1) ... [2020-09-25 08:31:15,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:31:15,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:31:17,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:31:17,572 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:31:17,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:31:17,930 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:31:17,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:17 WrapperNode [2020-09-25 08:31:17,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:31:17,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:31:17,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:31:17,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:31:17,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:17" (1/1) ... [2020-09-25 08:31:17,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:17" (1/1) ... [2020-09-25 08:31:17,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:17" (1/1) ... [2020-09-25 08:31:17,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:17" (1/1) ... [2020-09-25 08:31:18,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:17" (1/1) ... [2020-09-25 08:31:18,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:17" (1/1) ... [2020-09-25 08:31:18,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:17" (1/1) ... [2020-09-25 08:31:18,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:31:18,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:31:18,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:31:18,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:31:18,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:17" (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 [2020-09-25 08:31:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:31:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:31:18,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-09-25 08:31:18,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-09-25 08:31:18,201 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-09-25 08:31:18,201 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-09-25 08:31:18,202 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-09-25 08:31:18,202 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-09-25 08:31:18,203 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_shared [2020-09-25 08:31:18,204 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_share_check [2020-09-25 08:31:18,204 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-09-25 08:31:18,204 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-09-25 08:31:18,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2020-09-25 08:31:18,205 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow [2020-09-25 08:31:18,205 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 08:31:18,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2020-09-25 08:31:18,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 08:31:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 08:31:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 08:31:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 08:31:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 08:31:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 08:31:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 08:31:18,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 08:31:18,211 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-09-25 08:31:18,211 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-09-25 08:31:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_off [2020-09-25 08:31:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2020-09-25 08:31:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2020-09-25 08:31:18,213 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connect_disconnect [2020-09-25 08:31:18,214 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connected [2020-09-25 08:31:18,214 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_disconnected [2020-09-25 08:31:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_indication [2020-09-25 08:31:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_transmit [2020-09-25 08:31:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_xmit [2020-09-25 08:31:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_open [2020-09-25 08:31:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_close [2020-09-25 08:31:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_rx [2020-09-25 08:31:18,216 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_ioctl [2020-09-25 08:31:18,216 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_init [2020-09-25 08:31:18,217 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_exit [2020-09-25 08:31:18,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hdlc_proto_1 [2020-09-25 08:31:18,219 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:31:18,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-25 08:31:18,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-25 08:31:18,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-25 08:31:18,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-25 08:31:18,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-25 08:31:18,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2020-09-25 08:31:18,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-09-25 08:31:18,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_14 [2020-09-25 08:31:18,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-25 08:31:18,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 08:31:18,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-25 08:31:18,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-25 08:31:18,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-25 08:31:18,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-25 08:31:18,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-25 08:31:18,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-25 08:31:18,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-25 08:31:18,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-25 08:31:18,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 08:31:18,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-25 08:31:18,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-25 08:31:18,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-25 08:31:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-25 08:31:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-25 08:31:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 08:31:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-09-25 08:31:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2020-09-25 08:31:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_hdlc_protocol [2020-09-25 08:31:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-09-25 08:31:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_connect_request [2020-09-25 08:31:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_received [2020-09-25 08:31:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_request [2020-09-25 08:31:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_disconnect_request [2020-09-25 08:31:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_register [2020-09-25 08:31:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_unregister [2020-09-25 08:31:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2020-09-25 08:31:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-09-25 08:31:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-09-25 08:31:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure register_hdlc_protocol [2020-09-25 08:31:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-09-25 08:31:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-09-25 08:31:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-09-25 08:31:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-09-25 08:31:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hdlc_protocol [2020-09-25 08:31:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 08:31:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 08:31:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:31:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 08:31:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-09-25 08:31:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2020-09-25 08:31:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-09-25 08:31:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:31:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-09-25 08:31:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-25 08:31:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-25 08:31:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-25 08:31:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-25 08:31:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-25 08:31:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-09-25 08:31:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-09-25 08:31:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-09-25 08:31:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:31:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-09-25 08:31:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure skb_shared [2020-09-25 08:31:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure skb_share_check [2020-09-25 08:31:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:31:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-09-25 08:31:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-09-25 08:31:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-09-25 08:31:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-09-25 08:31:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-09-25 08:31:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:31:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2020-09-25 08:31:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2020-09-25 08:31:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow [2020-09-25 08:31:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-25 08:31:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-25 08:31:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-25 08:31:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:31:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 08:31:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:31:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 08:31:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 08:31:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 08:31:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2020-09-25 08:31:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:31:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 08:31:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 08:31:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 08:31:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 08:31:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 08:31:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 08:31:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 08:31:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 08:31:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hdlc_proto_1 [2020-09-25 08:31:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-09-25 08:31:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-09-25 08:31:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-09-25 08:31:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-09-25 08:31:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_14 [2020-09-25 08:31:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2020-09-25 08:31:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_off [2020-09-25 08:31:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-09-25 08:31:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure register_hdlc_protocol [2020-09-25 08:31:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hdlc_protocol [2020-09-25 08:31:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2020-09-25 08:31:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure attach_hdlc_protocol [2020-09-25 08:31:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_register [2020-09-25 08:31:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_unregister [2020-09-25 08:31:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_connect_request [2020-09-25 08:31:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_disconnect_request [2020-09-25 08:31:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_request [2020-09-25 08:31:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_received [2020-09-25 08:31:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2020-09-25 08:31:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:31:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure x25_ioctl [2020-09-25 08:31:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connect_disconnect [2020-09-25 08:31:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connected [2020-09-25 08:31:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure x25_disconnected [2020-09-25 08:31:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_indication [2020-09-25 08:31:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_transmit [2020-09-25 08:31:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-09-25 08:31:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure x25_xmit [2020-09-25 08:31:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure x25_open [2020-09-25 08:31:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:31:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure x25_close [2020-09-25 08:31:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure x25_rx [2020-09-25 08:31:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-09-25 08:31:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure mod_init [2020-09-25 08:31:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure mod_exit [2020-09-25 08:31:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 08:31:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 08:31:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:31:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-25 08:31:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 08:31:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-25 08:31:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-25 08:31:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-25 08:31:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-25 08:31:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-25 08:31:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-25 08:31:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-25 08:31:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-25 08:31:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-25 08:31:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-25 08:31:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 08:31:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:31:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 08:31:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:31:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 08:31:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:31:18,864 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 08:31:19,934 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:31:19,934 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 08:31:19,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:31:19 BoogieIcfgContainer [2020-09-25 08:31:19,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:31:19,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:31:19,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:31:19,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:31:19,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:31:15" (1/3) ... [2020-09-25 08:31:19,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9e6864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:31:19, skipping insertion in model container [2020-09-25 08:31:19,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:17" (2/3) ... [2020-09-25 08:31:19,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9e6864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:31:19, skipping insertion in model container [2020-09-25 08:31:19,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:31:19" (3/3) ... [2020-09-25 08:31:19,963 INFO L109 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 [2020-09-25 08:31:19,973 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:31:19,983 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:31:20,002 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:31:20,035 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:31:20,035 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:31:20,036 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:31:20,036 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:31:20,036 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:31:20,036 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:31:20,036 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:31:20,036 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:31:20,077 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states. [2020-09-25 08:31:20,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-09-25 08:31:20,093 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:31:20,095 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:31:20,095 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:31:20,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:31:20,104 INFO L82 PathProgramCache]: Analyzing trace with hash 2033327711, now seen corresponding path program 1 times [2020-09-25 08:31:20,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:31:20,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1585062665] [2020-09-25 08:31:20,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:31:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:20,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:20,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:21,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:21,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-25 08:31:21,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:31:21,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1333 [2020-09-25 08:31:21,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:21,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:21,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:31:21,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-25 08:31:21,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 08:31:21,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 08:31:22,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:31:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:22,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:22,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:22,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 08:31:22,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:22,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-25 08:31:22,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:22,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:22,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:22,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:22,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:22,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:22,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 08:31:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:22,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:22,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:22,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 08:31:22,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:22,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-25 08:31:22,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:22,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:22,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:22,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:22,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:22,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:22,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:31:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:22,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:22,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:22,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:31:22,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:22,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 08:31:22,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:22,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:22,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:22,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:22,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:22,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:22,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 08:31:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:22,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:22,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:22,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:31:22,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:22,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 08:31:22,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:22,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:22,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:22,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:22,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:22,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:22,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-25 08:31:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:22,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:22,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:22,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 08:31:22,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:22,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 08:31:22,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:22,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:22,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:22,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:22,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:22,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:22,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:31:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:22,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:22,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:22,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:31:22,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:22,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 08:31:22,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:22,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:22,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:22,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:22,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:22,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:22,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-09-25 08:31:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:22,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:22,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:22,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 08:31:22,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:22,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 08:31:22,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:22,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:22,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:22,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 08:31:22,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:22,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:22,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:31:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:22,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:22,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:22,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:31:22,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:22,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 08:31:22,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:22,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:22,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:22,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:22,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:22,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:22,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 08:31:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:22,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:22,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:22,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:31:22,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:22,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 08:31:22,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:22,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:22,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:22,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 08:31:22,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:22,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:22,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:31:22,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1585062665] [2020-09-25 08:31:22,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:31:22,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 08:31:22,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918185757] [2020-09-25 08:31:22,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 08:31:22,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:31:22,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 08:31:22,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:31:22,740 INFO L87 Difference]: Start difference. First operand 890 states. Second operand 7 states. [2020-09-25 08:31:29,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:31:29,101 INFO L93 Difference]: Finished difference Result 2373 states and 2824 transitions. [2020-09-25 08:31:29,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 08:31:29,103 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 106 [2020-09-25 08:31:29,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:31:29,137 INFO L225 Difference]: With dead ends: 2373 [2020-09-25 08:31:29,137 INFO L226 Difference]: Without dead ends: 1687 [2020-09-25 08:31:29,148 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-09-25 08:31:29,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2020-09-25 08:31:29,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1286. [2020-09-25 08:31:29,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1286 states. [2020-09-25 08:31:29,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1286 states and 1428 transitions. [2020-09-25 08:31:29,407 INFO L78 Accepts]: Start accepts. Automaton has 1286 states and 1428 transitions. Word has length 106 [2020-09-25 08:31:29,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:31:29,409 INFO L479 AbstractCegarLoop]: Abstraction has 1286 states and 1428 transitions. [2020-09-25 08:31:29,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 08:31:29,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1428 transitions. [2020-09-25 08:31:29,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-09-25 08:31:29,427 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:31:29,428 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:31:29,428 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:31:29,428 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:31:29,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:31:29,429 INFO L82 PathProgramCache]: Analyzing trace with hash 594820322, now seen corresponding path program 1 times [2020-09-25 08:31:29,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:31:29,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2022798727] [2020-09-25 08:31:29,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:31:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:29,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:29,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:30,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:31,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:31,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-09-25 08:31:31,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:31:31,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2202 [2020-09-25 08:31:31,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:31,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:31,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:31:31,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 08:31:31,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-25 08:31:31,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:31,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:31:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:31,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:32,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:32,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 08:31:32,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:32,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-25 08:31:32,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:32,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:32,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:32,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:32,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:32,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:32,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 08:31:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:32,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:32,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:32,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 08:31:32,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:32,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 08:31:32,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:32,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:32,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:32,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:32,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:32,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:32,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:31:32,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:32,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:32,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:32,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:31:32,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:32,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 08:31:32,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:32,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:32,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:32,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:32,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:32,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:32,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 08:31:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:32,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:32,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:32,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:31:32,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:32,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 08:31:32,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:32,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:32,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:32,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:32,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:32,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:32,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-25 08:31:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:32,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:32,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:32,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 08:31:32,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:32,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 08:31:32,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:32,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:32,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:31:32,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:32,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:31:32,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:32,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:31:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:32,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:32,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:32,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:31:32,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:32,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 08:31:32,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:32,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:32,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:31:32,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:32,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:31:32,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:32,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:31:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:32,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:32,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:32,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 08:31:32,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:32,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 08:31:32,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:32,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:32,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:31:32,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:32,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 08:31:32,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:32,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:31:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:32,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:32,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:32,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:31:32,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:32,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 08:31:32,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:32,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:32,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:32,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:32,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:32,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:32,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-09-25 08:31:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:32,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:32,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:32,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:31:32,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:32,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-25 08:31:32,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:32,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:32,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:31:32,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:32,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 08:31:32,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:32,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:31:32,587 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2022798727] [2020-09-25 08:31:32,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:31:32,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 08:31:32,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993582012] [2020-09-25 08:31:32,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 08:31:32,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:31:32,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 08:31:32,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:31:32,592 INFO L87 Difference]: Start difference. First operand 1286 states and 1428 transitions. Second operand 10 states. [2020-09-25 08:31:33,080 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-09-25 08:31:33,293 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-09-25 08:31:34,406 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2020-09-25 08:31:34,712 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-09-25 08:31:41,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:31:41,859 INFO L93 Difference]: Finished difference Result 4267 states and 4966 transitions. [2020-09-25 08:31:41,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-25 08:31:41,860 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 114 [2020-09-25 08:31:41,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:31:41,879 INFO L225 Difference]: With dead ends: 4267 [2020-09-25 08:31:41,879 INFO L226 Difference]: Without dead ends: 3017 [2020-09-25 08:31:41,885 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=151, Invalid=355, Unknown=0, NotChecked=0, Total=506 [2020-09-25 08:31:41,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2020-09-25 08:31:42,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 2625. [2020-09-25 08:31:42,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2625 states. [2020-09-25 08:31:42,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2625 states to 2625 states and 2982 transitions. [2020-09-25 08:31:42,094 INFO L78 Accepts]: Start accepts. Automaton has 2625 states and 2982 transitions. Word has length 114 [2020-09-25 08:31:42,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:31:42,095 INFO L479 AbstractCegarLoop]: Abstraction has 2625 states and 2982 transitions. [2020-09-25 08:31:42,095 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 08:31:42,095 INFO L276 IsEmpty]: Start isEmpty. Operand 2625 states and 2982 transitions. [2020-09-25 08:31:42,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 08:31:42,107 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:31:42,108 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:31:42,108 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:31:42,109 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:31:42,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:31:42,109 INFO L82 PathProgramCache]: Analyzing trace with hash -926680723, now seen corresponding path program 1 times [2020-09-25 08:31:42,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:31:42,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [969531318] [2020-09-25 08:31:42,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:31:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:42,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:42,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:42,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:42,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:46,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:47,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:47,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 08:31:47,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:31:47,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-09-25 08:31:47,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:47,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:47,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:31:47,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-09-25 08:31:47,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 08:31:47,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:47,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:31:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:47,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:47,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:47,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 08:31:47,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:47,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-25 08:31:47,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:47,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:47,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:47,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:47,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:47,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:47,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 08:31:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:47,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:47,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:47,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 08:31:47,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:47,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 08:31:47,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:47,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:47,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:47,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:47,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:47,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:31:47,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:31:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:47,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:47,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:47,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:31:47,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:47,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 08:31:47,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:47,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:47,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:47,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:47,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:47,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:47,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 08:31:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:47,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:47,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:47,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:31:47,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:47,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 08:31:47,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:47,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:47,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:47,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:47,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:47,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:47,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-25 08:31:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:47,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:47,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:47,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 08:31:47,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:47,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 08:31:47,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:47,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:47,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:47,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:47,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:47,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:47,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:31:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:47,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:47,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:47,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:31:47,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:47,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 08:31:47,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:47,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:47,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:47,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:47,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:47,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:47,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:31:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:47,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:47,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:47,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:47,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-25 08:31:47,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:31:47,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-25 08:31:47,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:47,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:47,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:47,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-09-25 08:31:47,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:47,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:47,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:31:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:47,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:47,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:47,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:31:47,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:47,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 08:31:47,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:47,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:47,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:47,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:47,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:47,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:47,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 08:31:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:47,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:47,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:47,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:31:47,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:47,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 08:31:47,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:47,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:47,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:47,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:47,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:47,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:47,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 08:31:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:47,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:48,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:48,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:48,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:31:48,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:31:48,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-09-25 08:31:48,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:48,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:48,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:48,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:48,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:48,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:48,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 08:31:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:48,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:48,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:48,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:48,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 08:31:48,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:31:48,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 08:31:48,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:48,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:48,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:48,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:48,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:48,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:48,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 08:31:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:48,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:48,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:48,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 08:31:48,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:48,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 08:31:48,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:48,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:48,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:48,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 08:31:48,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:48,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:48,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:31:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:48,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:48,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:48,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:31:48,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:48,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 08:31:48,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:48,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:48,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:48,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:48,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:48,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:48,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-09-25 08:31:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:48,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:48,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:48,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:31:48,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:48,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 08:31:48,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:48,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:48,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:48,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 08:31:48,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:48,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:48,333 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-25 08:31:48,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [969531318] [2020-09-25 08:31:48,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:31:48,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 08:31:48,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340239613] [2020-09-25 08:31:48,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 08:31:48,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:31:48,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 08:31:48,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-25 08:31:48,338 INFO L87 Difference]: Start difference. First operand 2625 states and 2982 transitions. Second operand 9 states. [2020-09-25 08:31:53,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:31:53,091 INFO L93 Difference]: Finished difference Result 5816 states and 6785 transitions. [2020-09-25 08:31:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 08:31:53,092 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 179 [2020-09-25 08:31:53,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:31:53,112 INFO L225 Difference]: With dead ends: 5816 [2020-09-25 08:31:53,112 INFO L226 Difference]: Without dead ends: 3247 [2020-09-25 08:31:53,122 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2020-09-25 08:31:53,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3247 states. [2020-09-25 08:31:53,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3247 to 2810. [2020-09-25 08:31:53,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2810 states. [2020-09-25 08:31:53,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2810 states to 2810 states and 3206 transitions. [2020-09-25 08:31:53,299 INFO L78 Accepts]: Start accepts. Automaton has 2810 states and 3206 transitions. Word has length 179 [2020-09-25 08:31:53,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:31:53,300 INFO L479 AbstractCegarLoop]: Abstraction has 2810 states and 3206 transitions. [2020-09-25 08:31:53,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 08:31:53,300 INFO L276 IsEmpty]: Start isEmpty. Operand 2810 states and 3206 transitions. [2020-09-25 08:31:53,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-09-25 08:31:53,310 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:31:53,311 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:31:53,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:31:53,311 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:31:53,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:31:53,312 INFO L82 PathProgramCache]: Analyzing trace with hash -766964387, now seen corresponding path program 1 times [2020-09-25 08:31:53,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:31:53,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1849492444] [2020-09-25 08:31:53,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:31:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:53,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:53,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:53,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:54,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:54,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-09-25 08:31:54,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:31:54,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1599 [2020-09-25 08:31:54,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:54,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:54,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:31:54,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-09-25 08:31:54,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-25 08:31:54,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:31:55,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:31:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:55,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:55,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:55,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 08:31:55,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:55,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-25 08:31:55,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:55,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:55,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:55,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:55,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:55,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:55,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 08:31:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:55,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:55,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:55,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 08:31:55,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:55,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 08:31:55,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:55,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:55,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:55,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:55,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:55,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:55,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:31:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:55,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:55,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:55,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:31:55,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:55,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 08:31:55,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:55,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:55,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:55,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:55,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:55,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:55,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 08:31:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:55,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:55,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:55,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:31:55,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:55,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 08:31:55,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:55,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:55,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:55,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:55,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:55,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:55,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-25 08:31:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:55,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:55,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:55,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 08:31:55,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:55,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 08:31:55,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:55,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:55,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:55,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:55,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:55,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:55,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:31:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:55,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:55,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:55,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:31:55,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:55,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 08:31:55,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:55,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:55,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:55,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:55,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:55,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:55,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:31:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:55,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:55,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:55,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 08:31:55,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:55,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 08:31:55,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:55,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:55,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:55,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:55,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:55,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:55,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:31:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:55,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:55,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:55,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:31:55,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:55,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 08:31:55,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:55,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:55,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:55,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:55,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:55,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:55,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 08:31:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:55,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:55,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:55,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 08:31:55,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:55,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-25 08:31:55,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:55,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:55,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:31:55,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:55,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-25 08:31:55,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:55,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:31:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:55,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:55,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:55,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 08:31:55,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:55,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 08:31:55,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:55,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:55,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:55,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:55,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:55,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:55,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:31:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:55,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:55,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:55,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:31:55,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:55,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 08:31:55,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:55,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:55,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:55,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:55,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:55,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:55,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 08:31:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:55,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:55,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:55,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:31:55,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:55,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 08:31:55,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:55,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:55,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:55,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:55,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:55,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:55,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-25 08:31:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:55,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:55,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:55,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 08:31:55,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:55,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 08:31:55,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:55,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:55,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:55,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:55,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:55,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:55,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:31:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:55,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:55,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:55,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:31:55,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:55,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 08:31:55,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:55,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:55,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:55,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:55,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:55,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:55,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 08:31:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:55,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:56,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:56,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:31:56,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:56,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 08:31:56,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:56,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:56,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:56,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:56,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:56,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:56,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 08:31:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:56,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:56,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:56,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:56,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-25 08:31:56,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:31:56,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-09-25 08:31:56,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:56,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:56,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:56,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-09-25 08:31:56,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:56,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:56,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:31:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:56,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:56,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:56,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:31:56,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:56,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 08:31:56,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:56,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:56,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:56,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:56,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:56,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:56,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 08:31:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:56,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:56,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:56,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:31:56,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:56,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 08:31:56,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:56,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:56,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:56,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:56,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:56,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:56,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 08:31:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:56,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:56,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:56,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:56,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:31:56,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:31:56,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-09-25 08:31:56,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:56,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:56,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:56,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:56,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:56,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:56,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 08:31:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:56,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:56,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:56,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:56,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 08:31:56,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:31:56,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-25 08:31:56,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:56,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:56,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:56,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:56,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:56,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:56,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-25 08:31:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:56,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:56,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:56,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 08:31:56,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:56,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 08:31:56,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:56,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:56,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:56,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 08:31:56,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:56,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:56,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:31:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:56,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:56,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:56,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:31:56,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:56,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 08:31:56,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:56,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:56,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:56,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:56,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:56,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:56,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-25 08:31:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:56,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:56,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:56,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:31:56,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:56,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 08:31:56,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:56,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:56,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:56,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 08:31:56,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:56,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:56,797 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-09-25 08:31:56,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1849492444] [2020-09-25 08:31:56,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:31:56,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 08:31:56,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975375021] [2020-09-25 08:31:56,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 08:31:56,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:31:56,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 08:31:56,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:31:56,804 INFO L87 Difference]: Start difference. First operand 2810 states and 3206 transitions. Second operand 10 states. [2020-09-25 08:31:57,331 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-09-25 08:32:03,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:32:03,291 INFO L93 Difference]: Finished difference Result 8518 states and 9889 transitions. [2020-09-25 08:32:03,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 08:32:03,291 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 245 [2020-09-25 08:32:03,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:32:03,325 INFO L225 Difference]: With dead ends: 8518 [2020-09-25 08:32:03,325 INFO L226 Difference]: Without dead ends: 5779 [2020-09-25 08:32:03,335 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-09-25 08:32:03,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5779 states. [2020-09-25 08:32:03,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5779 to 5028. [2020-09-25 08:32:03,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5028 states. [2020-09-25 08:32:03,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5028 states to 5028 states and 5712 transitions. [2020-09-25 08:32:03,672 INFO L78 Accepts]: Start accepts. Automaton has 5028 states and 5712 transitions. Word has length 245 [2020-09-25 08:32:03,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:32:03,673 INFO L479 AbstractCegarLoop]: Abstraction has 5028 states and 5712 transitions. [2020-09-25 08:32:03,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 08:32:03,674 INFO L276 IsEmpty]: Start isEmpty. Operand 5028 states and 5712 transitions. [2020-09-25 08:32:03,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-09-25 08:32:03,681 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:32:03,682 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:32:03,682 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:32:03,682 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:32:03,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:32:03,683 INFO L82 PathProgramCache]: Analyzing trace with hash -790465097, now seen corresponding path program 1 times [2020-09-25 08:32:03,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:32:03,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1417391805] [2020-09-25 08:32:03,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:32:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:32:03,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:32:04,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:32:04,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-09-25 08:32:04,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:32:04,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 457 [2020-09-25 08:32:04,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:32:04,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:32:04,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:32:04,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 235 [2020-09-25 08:32:04,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 08:32:04,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:32:04,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:32:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:32:04,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:32:04,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:32:04,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 08:32:04,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:32:04,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 08:32:04,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:32:04,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:32:04,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:32:04,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:32:04,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:32:04,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1