/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=DEEPEST --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 01:40:02,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 01:40:02,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 01:40:02,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 01:40:02,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 01:40:02,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 01:40:02,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 01:40:02,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 01:40:02,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 01:40:02,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 01:40:02,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 01:40:02,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 01:40:02,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 01:40:02,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 01:40:02,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 01:40:02,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 01:40:02,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 01:40:02,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 01:40:02,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 01:40:02,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 01:40:02,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 01:40:02,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 01:40:02,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 01:40:02,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 01:40:02,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 01:40:02,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 01:40:02,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 01:40:02,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 01:40:02,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 01:40:02,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 01:40:02,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 01:40:02,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 01:40:02,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 01:40:02,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 01:40:02,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 01:40:02,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 01:40:02,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 01:40:02,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 01:40:02,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 01:40:02,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 01:40:02,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 01:40:02,738 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 01:40:02,767 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 01:40:02,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 01:40:02,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 01:40:02,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 01:40:02,769 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 01:40:02,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 01:40:02,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 01:40:02,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 01:40:02,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 01:40:02,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 01:40:02,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 01:40:02,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 01:40:02,771 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 01:40:02,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 01:40:02,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 01:40:02,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 01:40:02,771 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 01:40:02,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 01:40:02,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 01:40:02,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 01:40:02,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 01:40:02,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 01:40:02,773 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 01:40:02,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 01:40:02,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 01:40:02,773 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 01:40:02,773 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 01:40:02,774 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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;log-additional-information=true; [2020-09-25 01:40:03,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 01:40:03,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 01:40:03,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 01:40:03,303 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 01:40:03,303 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 01:40:03,304 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-09-25 01:40:03,385 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a04357a2/abeda26066c64e339108ebe80f0b79f9/FLAGd56def22b [2020-09-25 01:40:04,267 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 01:40:04,268 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-09-25 01:40:04,300 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a04357a2/abeda26066c64e339108ebe80f0b79f9/FLAGd56def22b [2020-09-25 01:40:04,811 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a04357a2/abeda26066c64e339108ebe80f0b79f9 [2020-09-25 01:40:04,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 01:40:04,831 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 01:40:04,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 01:40:04,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 01:40:04,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 01:40:04,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:40:04" (1/1) ... [2020-09-25 01:40:04,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4122bc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:04, skipping insertion in model container [2020-09-25 01:40:04,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:40:04" (1/1) ... [2020-09-25 01:40:04,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 01:40:04,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 01:40:06,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:40:06,503 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 01:40:06,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:40:06,783 INFO L208 MainTranslator]: Completed translation [2020-09-25 01:40:06,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:06 WrapperNode [2020-09-25 01:40:06,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 01:40:06,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 01:40:06,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 01:40:06,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 01:40:06,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:06" (1/1) ... [2020-09-25 01:40:06,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:06" (1/1) ... [2020-09-25 01:40:06,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:06" (1/1) ... [2020-09-25 01:40:06,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:06" (1/1) ... [2020-09-25 01:40:06,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:06" (1/1) ... [2020-09-25 01:40:06,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:06" (1/1) ... [2020-09-25 01:40:06,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:06" (1/1) ... [2020-09-25 01:40:06,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 01:40:06,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 01:40:06,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 01:40:06,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 01:40:06,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:06" (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 01:40:07,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 01:40:07,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 01:40:07,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-09-25 01:40:07,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-09-25 01:40:07,058 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-09-25 01:40:07,058 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-09-25 01:40:07,059 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-09-25 01:40:07,059 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-09-25 01:40:07,059 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_shared [2020-09-25 01:40:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_share_check [2020-09-25 01:40:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-09-25 01:40:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-09-25 01:40:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2020-09-25 01:40:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow [2020-09-25 01:40:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 01:40:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2020-09-25 01:40:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 01:40:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 01:40:07,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 01:40:07,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 01:40:07,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 01:40:07,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 01:40:07,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 01:40:07,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 01:40:07,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-09-25 01:40:07,063 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-09-25 01:40:07,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_off [2020-09-25 01:40:07,116 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2020-09-25 01:40:07,117 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2020-09-25 01:40:07,117 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connect_disconnect [2020-09-25 01:40:07,117 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connected [2020-09-25 01:40:07,117 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_disconnected [2020-09-25 01:40:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_indication [2020-09-25 01:40:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_transmit [2020-09-25 01:40:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_xmit [2020-09-25 01:40:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_open [2020-09-25 01:40:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_close [2020-09-25 01:40:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_rx [2020-09-25 01:40:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_ioctl [2020-09-25 01:40:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_init [2020-09-25 01:40:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_exit [2020-09-25 01:40:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hdlc_proto_1 [2020-09-25 01:40:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 01:40:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-25 01:40:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-25 01:40:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-25 01:40:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-25 01:40:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-25 01:40:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2020-09-25 01:40:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-09-25 01:40:07,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_14 [2020-09-25 01:40:07,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-25 01:40:07,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 01:40:07,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-25 01:40:07,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-25 01:40:07,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-25 01:40:07,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-25 01:40:07,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-25 01:40:07,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-25 01:40:07,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-25 01:40:07,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-25 01:40:07,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 01:40:07,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-25 01:40:07,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-25 01:40:07,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-25 01:40:07,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-25 01:40:07,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-25 01:40:07,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 01:40:07,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-09-25 01:40:07,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2020-09-25 01:40:07,127 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_hdlc_protocol [2020-09-25 01:40:07,127 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-09-25 01:40:07,127 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_connect_request [2020-09-25 01:40:07,128 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_received [2020-09-25 01:40:07,128 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_request [2020-09-25 01:40:07,128 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_disconnect_request [2020-09-25 01:40:07,128 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_register [2020-09-25 01:40:07,128 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_unregister [2020-09-25 01:40:07,128 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2020-09-25 01:40:07,129 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-09-25 01:40:07,129 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-09-25 01:40:07,129 INFO L138 BoogieDeclarations]: Found implementation of procedure register_hdlc_protocol [2020-09-25 01:40:07,129 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-09-25 01:40:07,129 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-09-25 01:40:07,129 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-09-25 01:40:07,130 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-09-25 01:40:07,130 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hdlc_protocol [2020-09-25 01:40:07,130 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 01:40:07,130 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 01:40:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 01:40:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 01:40:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-09-25 01:40:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2020-09-25 01:40:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-09-25 01:40:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 01:40:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-09-25 01:40:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-25 01:40:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-25 01:40:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-25 01:40:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-25 01:40:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-25 01:40:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-09-25 01:40:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-09-25 01:40:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-09-25 01:40:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 01:40:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-09-25 01:40:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure skb_shared [2020-09-25 01:40:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure skb_share_check [2020-09-25 01:40:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 01:40:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-09-25 01:40:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-09-25 01:40:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-09-25 01:40:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-09-25 01:40:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-09-25 01:40:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 01:40:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2020-09-25 01:40:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2020-09-25 01:40:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow [2020-09-25 01:40:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-25 01:40:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-25 01:40:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-25 01:40:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 01:40:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 01:40:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 01:40:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 01:40:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 01:40:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 01:40:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2020-09-25 01:40:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 01:40:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 01:40:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 01:40:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 01:40:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 01:40:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 01:40:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 01:40:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 01:40:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 01:40:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hdlc_proto_1 [2020-09-25 01:40:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-09-25 01:40:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-09-25 01:40:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-09-25 01:40:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-09-25 01:40:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_14 [2020-09-25 01:40:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2020-09-25 01:40:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_off [2020-09-25 01:40:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-09-25 01:40:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure register_hdlc_protocol [2020-09-25 01:40:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hdlc_protocol [2020-09-25 01:40:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2020-09-25 01:40:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure attach_hdlc_protocol [2020-09-25 01:40:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_register [2020-09-25 01:40:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_unregister [2020-09-25 01:40:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_connect_request [2020-09-25 01:40:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_disconnect_request [2020-09-25 01:40:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_request [2020-09-25 01:40:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_received [2020-09-25 01:40:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2020-09-25 01:40:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 01:40:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure x25_ioctl [2020-09-25 01:40:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connect_disconnect [2020-09-25 01:40:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connected [2020-09-25 01:40:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure x25_disconnected [2020-09-25 01:40:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_indication [2020-09-25 01:40:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_transmit [2020-09-25 01:40:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-09-25 01:40:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure x25_xmit [2020-09-25 01:40:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure x25_open [2020-09-25 01:40:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 01:40:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure x25_close [2020-09-25 01:40:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure x25_rx [2020-09-25 01:40:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-09-25 01:40:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure mod_init [2020-09-25 01:40:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure mod_exit [2020-09-25 01:40:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 01:40:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 01:40:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 01:40:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-25 01:40:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 01:40:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-25 01:40:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-25 01:40:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-25 01:40:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-25 01:40:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-25 01:40:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-25 01:40:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-25 01:40:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-25 01:40:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-25 01:40:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-25 01:40:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 01:40:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 01:40:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 01:40:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 01:40:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 01:40:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 01:40:07,945 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 01:40:09,247 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 01:40:09,247 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 01:40:09,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:40:09 BoogieIcfgContainer [2020-09-25 01:40:09,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 01:40:09,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 01:40:09,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 01:40:09,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 01:40:09,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:40:04" (1/3) ... [2020-09-25 01:40:09,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75bbe60f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:40:09, skipping insertion in model container [2020-09-25 01:40:09,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:06" (2/3) ... [2020-09-25 01:40:09,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75bbe60f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:40:09, skipping insertion in model container [2020-09-25 01:40:09,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:40:09" (3/3) ... [2020-09-25 01:40:09,272 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 01:40:09,285 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 01:40:09,298 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 01:40:09,326 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 01:40:09,364 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 01:40:09,364 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 01:40:09,365 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 01:40:09,365 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 01:40:09,365 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 01:40:09,365 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 01:40:09,365 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 01:40:09,365 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 01:40:09,406 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states. [2020-09-25 01:40:09,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-09-25 01:40:09,423 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:40:09,424 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 01:40:09,425 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:40:09,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:40:09,435 INFO L82 PathProgramCache]: Analyzing trace with hash 2033327711, now seen corresponding path program 1 times [2020-09-25 01:40:09,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:40:09,447 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1317262240] [2020-09-25 01:40:09,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:40:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:10,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:10,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:11,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:11,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-25 01:40:11,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 01:40:11,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1416 [2020-09-25 01:40:11,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:11,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:40:11,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-25 01:40:11,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 01:40:11,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 01:40:11,606 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-09-25 01:40:11,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:40:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:11,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:11,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:11,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 01:40:11,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:11,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-25 01:40:11,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:11,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:11,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:11,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:11,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:11,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 01:40:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:11,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:11,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:11,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 01:40:11,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:11,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-25 01:40:11,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:11,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:11,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:11,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:11,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:11,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:40:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:11,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:11,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:11,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:40:11,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:11,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 01:40:11,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:11,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:11,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:11,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:11,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:11,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 01:40:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:12,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:12,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:12,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:40:12,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:12,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 01:40:12,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:12,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:12,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:12,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:12,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:12,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-25 01:40:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:12,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:12,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:12,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 01:40:12,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:12,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 01:40:12,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:12,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:12,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:12,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:12,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:12,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:40:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:12,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:12,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:12,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:40:12,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:12,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 01:40:12,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:12,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:12,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:12,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:12,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:12,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-09-25 01:40:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:12,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:12,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:12,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 01:40:12,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:12,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 01:40:12,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:12,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:12,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 01:40:12,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:12,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:12,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:40:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:12,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:12,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:12,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:40:12,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:12,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 01:40:12,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:12,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:12,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:12,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:12,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:12,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 01:40:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:12,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:12,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:12,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:40:12,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:12,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 01:40:12,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:12,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:12,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 01:40:12,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:12,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:12,260 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 01:40:12,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1317262240] [2020-09-25 01:40:12,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:40:12,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 01:40:12,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86434937] [2020-09-25 01:40:12,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 01:40:12,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:40:12,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 01:40:12,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 01:40:12,298 INFO L87 Difference]: Start difference. First operand 890 states. Second operand 7 states. [2020-09-25 01:40:12,440 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-09-25 01:40:18,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:40:18,725 INFO L93 Difference]: Finished difference Result 2373 states and 2824 transitions. [2020-09-25 01:40:18,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 01:40:18,730 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 106 [2020-09-25 01:40:18,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:40:18,765 INFO L225 Difference]: With dead ends: 2373 [2020-09-25 01:40:18,765 INFO L226 Difference]: Without dead ends: 1687 [2020-09-25 01:40:18,782 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 01:40:18,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2020-09-25 01:40:19,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1286. [2020-09-25 01:40:19,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1286 states. [2020-09-25 01:40:19,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1286 states and 1428 transitions. [2020-09-25 01:40:19,040 INFO L78 Accepts]: Start accepts. Automaton has 1286 states and 1428 transitions. Word has length 106 [2020-09-25 01:40:19,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:40:19,041 INFO L479 AbstractCegarLoop]: Abstraction has 1286 states and 1428 transitions. [2020-09-25 01:40:19,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 01:40:19,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1428 transitions. [2020-09-25 01:40:19,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-09-25 01:40:19,053 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:40:19,053 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 01:40:19,054 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 01:40:19,054 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:40:19,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:40:19,055 INFO L82 PathProgramCache]: Analyzing trace with hash 594820322, now seen corresponding path program 1 times [2020-09-25 01:40:19,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:40:19,058 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [248156474] [2020-09-25 01:40:19,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:40:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:19,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:19,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:19,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:21,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:21,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-09-25 01:40:21,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 01:40:21,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2381 [2020-09-25 01:40:21,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:21,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 01:40:21,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 113 [2020-09-25 01:40:21,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 01:40:21,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:21,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:40:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:21,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:21,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:21,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 01:40:21,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:21,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-25 01:40:21,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:21,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:21,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:21,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:21,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:21,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 01:40:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:21,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:21,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:21,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 01:40:21,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:21,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-25 01:40:21,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:21,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:21,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:21,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:21,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:21,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:40:21,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:21,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:21,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:21,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:40:21,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:21,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 01:40:21,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:21,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:21,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:21,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:21,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:21,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 01:40:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:21,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:22,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:22,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:40:22,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:22,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 01:40:22,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:22,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:22,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:22,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:22,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:22,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-25 01:40:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:22,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:22,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:22,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 01:40:22,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:22,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 01:40:22,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:22,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:22,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:22,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:22,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:22,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:40:22,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:22,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:22,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:22,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:40:22,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:22,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 01:40:22,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:22,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:22,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:22,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:22,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:22,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:40:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:22,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:22,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:22,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 01:40:22,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:22,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-25 01:40:22,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:22,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 01:40:22,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:22,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 01:40:22,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:22,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:40:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:22,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:22,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:22,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:40:22,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:22,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 01:40:22,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:22,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:22,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:22,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:22,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:22,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-09-25 01:40:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:22,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:22,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:22,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:40:22,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:22,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 01:40:22,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:22,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:22,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 01:40:22,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:22,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:22,292 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 01:40:22,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [248156474] [2020-09-25 01:40:22,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:40:22,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 01:40:22,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516735205] [2020-09-25 01:40:22,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 01:40:22,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:40:22,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 01:40:22,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 01:40:22,297 INFO L87 Difference]: Start difference. First operand 1286 states and 1428 transitions. Second operand 9 states. [2020-09-25 01:40:22,717 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-09-25 01:40:22,894 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-09-25 01:40:26,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:40:26,948 INFO L93 Difference]: Finished difference Result 2914 states and 3316 transitions. [2020-09-25 01:40:26,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 01:40:26,949 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 114 [2020-09-25 01:40:26,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:40:26,959 INFO L225 Difference]: With dead ends: 2914 [2020-09-25 01:40:26,960 INFO L226 Difference]: Without dead ends: 1684 [2020-09-25 01:40:26,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-09-25 01:40:26,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1684 states. [2020-09-25 01:40:27,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1684 to 1284. [2020-09-25 01:40:27,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1284 states. [2020-09-25 01:40:27,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1284 states and 1423 transitions. [2020-09-25 01:40:27,089 INFO L78 Accepts]: Start accepts. Automaton has 1284 states and 1423 transitions. Word has length 114 [2020-09-25 01:40:27,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:40:27,091 INFO L479 AbstractCegarLoop]: Abstraction has 1284 states and 1423 transitions. [2020-09-25 01:40:27,091 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 01:40:27,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1423 transitions. [2020-09-25 01:40:27,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-09-25 01:40:27,102 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:40:27,102 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:40:27,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 01:40:27,103 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:40:27,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:40:27,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1356551308, now seen corresponding path program 1 times [2020-09-25 01:40:27,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:40:27,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1698688105] [2020-09-25 01:40:27,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:40:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:27,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:27,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:27,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-09-25 01:40:27,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:27,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 791 [2020-09-25 01:40:27,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:27,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 01:40:27,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 01:40:27,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-25 01:40:27,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:28,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:40:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:28,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:28,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:28,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 01:40:28,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:28,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 01:40:28,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:28,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:28,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:28,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:28,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:28,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 01:40:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:28,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:28,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:28,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 01:40:28,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:28,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-25 01:40:28,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:28,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:28,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:28,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:28,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:28,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:40:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:28,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:28,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:28,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:40:28,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:28,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-25 01:40:28,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:28,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:28,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:28,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:28,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:28,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 01:40:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:28,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:28,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:28,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:40:28,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:28,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 01:40:28,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:28,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:28,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:28,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:28,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:28,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-25 01:40:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:28,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:28,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:28,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 01:40:28,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:28,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 01:40:28,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:28,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:40:28,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:28,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:40:28,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:28,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:40:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:28,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:28,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:28,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:40:28,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:28,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 01:40:28,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:28,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:40:28,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:28,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 01:40:28,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:28,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:40:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:28,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:28,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:28,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 01:40:28,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:28,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 01:40:28,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:28,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:40:28,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:28,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 01:40:28,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:28,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:40:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:28,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:28,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:28,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:40:28,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:28,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 01:40:28,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:28,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:28,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:28,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:28,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:28,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 01:40:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:28,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:29,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:29,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 01:40:29,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:29,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-25 01:40:29,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:29,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:40:29,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:29,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-25 01:40:29,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:29,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:40:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:29,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:29,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:29,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 01:40:29,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:29,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 01:40:29,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:29,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:29,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:29,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:29,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:29,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:40:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:29,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:29,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:29,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:40:29,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:29,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 01:40:29,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:29,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:29,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:29,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:29,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:29,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 01:40:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:29,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:29,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:29,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:40:29,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:29,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 01:40:29,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:29,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:29,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:29,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:29,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:29,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-25 01:40:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:29,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:29,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:29,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 01:40:29,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:29,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 01:40:29,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:29,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:29,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:29,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:29,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:29,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:40:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:29,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:29,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:29,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:40:29,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:29,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 01:40:29,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:29,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:29,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:29,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:29,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:29,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 01:40:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:29,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:29,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:29,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:40:29,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:29,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 01:40:29,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:29,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:29,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:29,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:29,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:29,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-25 01:40:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:29,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:29,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:29,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 01:40:29,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:29,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 01:40:29,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:29,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:40:29,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:29,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 01:40:29,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:29,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:40:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:29,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:29,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:29,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:40:29,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:29,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 01:40:29,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:29,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:29,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:29,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:29,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:29,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-25 01:40:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:29,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:29,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:29,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:40:29,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:29,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 01:40:29,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:29,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 01:40:29,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:29,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 01:40:29,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:29,531 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2020-09-25 01:40:29,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1698688105] [2020-09-25 01:40:29,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:40:29,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 01:40:29,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57181875] [2020-09-25 01:40:29,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 01:40:29,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:40:29,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 01:40:29,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 01:40:29,534 INFO L87 Difference]: Start difference. First operand 1284 states and 1423 transitions. Second operand 11 states. [2020-09-25 01:40:35,635 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-09-25 01:40:35,776 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-09-25 01:40:35,906 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-09-25 01:40:36,033 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-09-25 01:40:36,241 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-09-25 01:40:39,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:40:39,165 INFO L93 Difference]: Finished difference Result 4277 states and 4961 transitions. [2020-09-25 01:40:39,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-25 01:40:39,166 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 180 [2020-09-25 01:40:39,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:40:39,191 INFO L225 Difference]: With dead ends: 4277 [2020-09-25 01:40:39,192 INFO L226 Difference]: Without dead ends: 3030 [2020-09-25 01:40:39,198 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=171, Invalid=429, Unknown=0, NotChecked=0, Total=600 [2020-09-25 01:40:39,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2020-09-25 01:40:39,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2650. [2020-09-25 01:40:39,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2650 states. [2020-09-25 01:40:39,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2650 states to 2650 states and 3001 transitions. [2020-09-25 01:40:39,435 INFO L78 Accepts]: Start accepts. Automaton has 2650 states and 3001 transitions. Word has length 180 [2020-09-25 01:40:39,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:40:39,438 INFO L479 AbstractCegarLoop]: Abstraction has 2650 states and 3001 transitions. [2020-09-25 01:40:39,438 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 01:40:39,438 INFO L276 IsEmpty]: Start isEmpty. Operand 2650 states and 3001 transitions. [2020-09-25 01:40:39,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-09-25 01:40:39,450 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:40:39,451 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 01:40:39,451 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 01:40:39,452 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:40:39,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:40:39,452 INFO L82 PathProgramCache]: Analyzing trace with hash -766964387, now seen corresponding path program 1 times [2020-09-25 01:40:39,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:40:39,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2055966345] [2020-09-25 01:40:39,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:40:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:39,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:39,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:39,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:41,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:41,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-09-25 01:40:41,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 01:40:41,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1670 [2020-09-25 01:40:41,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:41,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:40:41,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 236 [2020-09-25 01:40:41,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 01:40:41,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:41,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:40:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:41,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:41,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:41,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 01:40:41,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:41,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-25 01:40:41,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:41,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:41,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:41,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:41,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:41,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 01:40:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:41,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:41,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:41,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 01:40:41,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:41,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 01:40:41,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:41,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:41,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:41,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:41,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:41,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:40:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:41,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:41,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:41,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:40:41,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:41,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 01:40:41,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:41,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:41,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:41,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:41,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:41,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 01:40:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:41,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:41,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:41,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:40:41,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:41,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 01:40:41,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:41,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:41,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:41,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:41,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:41,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-25 01:40:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:41,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:41,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:41,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 01:40:41,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:41,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 01:40:41,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:41,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:41,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:41,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:41,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:41,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:40:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:41,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:41,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:41,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:40:41,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:41,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 01:40:41,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:41,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:41,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:41,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:41,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:41,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:40:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:41,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:41,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:41,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 01:40:41,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:41,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 01:40:41,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:41,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:41,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:41,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:41,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:41,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:40:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:41,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:41,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:41,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:40:41,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:41,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 01:40:41,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:41,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:41,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:41,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:41,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:41,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 01:40:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:41,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:41,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:41,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 01:40:41,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:41,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-25 01:40:41,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:41,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:41,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:41,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:41,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:41,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:40:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:41,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:41,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:41,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 01:40:41,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:41,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 01:40:41,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:41,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:41,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:41,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:41,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:41,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:40:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:41,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:41,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:41,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:40:41,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:41,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 01:40:41,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:41,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:41,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:41,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:41,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:42,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 01:40:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:42,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:42,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:42,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:40:42,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:42,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 01:40:42,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:42,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:42,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:42,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:42,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:42,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-25 01:40:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:42,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:42,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:42,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 01:40:42,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:42,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 01:40:42,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:42,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:42,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:42,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:42,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:42,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:40:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:42,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:42,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:42,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:40:42,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:42,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 01:40:42,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:42,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:42,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:42,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:42,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:42,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 01:40:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:42,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:42,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:42,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:40:42,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:42,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 01:40:42,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:42,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:42,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:42,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:42,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:42,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 01:40:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:42,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:42,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:42,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-25 01:40:42,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:42,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-25 01:40:42,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:42,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:40:42,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-25 01:40:42,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 01:40:42,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:42,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 01:40:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:42,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:42,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:42,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:40:42,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:42,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 01:40:42,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:42,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:42,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:42,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:42,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:42,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 01:40:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:42,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:42,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:42,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:40:42,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:42,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 01:40:42,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:42,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:42,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:42,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:42,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:42,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 01:40:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:42,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:42,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:42,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 01:40:42,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:42,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-25 01:40:42,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:42,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:40:42,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 01:40:42,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 01:40:42,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:42,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 01:40:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:42,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:42,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:42,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 01:40:42,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:42,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 01:40:42,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:42,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:40:42,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 01:40:42,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 01:40:42,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:42,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-25 01:40:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:42,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:42,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:42,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 01:40:42,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:42,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 01:40:42,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:42,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:42,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 01:40:42,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:42,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:42,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:40:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:42,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:42,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:42,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:40:42,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:42,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 01:40:42,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:42,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:42,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:42,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:42,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:42,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-25 01:40:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:42,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:42,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:42,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:40:42,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:42,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 01:40:42,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:42,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:42,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 01:40:42,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:42,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:42,782 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-09-25 01:40:42,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2055966345] [2020-09-25 01:40:42,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:40:42,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 01:40:42,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682493658] [2020-09-25 01:40:42,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 01:40:42,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:40:42,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 01:40:42,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-09-25 01:40:42,787 INFO L87 Difference]: Start difference. First operand 2650 states and 3001 transitions. Second operand 10 states. [2020-09-25 01:40:44,829 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-09-25 01:40:47,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:40:47,349 INFO L93 Difference]: Finished difference Result 4430 states and 5229 transitions. [2020-09-25 01:40:47,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 01:40:47,350 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 245 [2020-09-25 01:40:47,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:40:47,367 INFO L225 Difference]: With dead ends: 4430 [2020-09-25 01:40:47,367 INFO L226 Difference]: Without dead ends: 3030 [2020-09-25 01:40:47,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2020-09-25 01:40:47,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2020-09-25 01:40:47,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2654. [2020-09-25 01:40:47,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2654 states. [2020-09-25 01:40:47,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 2654 states and 3005 transitions. [2020-09-25 01:40:47,543 INFO L78 Accepts]: Start accepts. Automaton has 2654 states and 3005 transitions. Word has length 245 [2020-09-25 01:40:47,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:40:47,544 INFO L479 AbstractCegarLoop]: Abstraction has 2654 states and 3005 transitions. [2020-09-25 01:40:47,544 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 01:40:47,544 INFO L276 IsEmpty]: Start isEmpty. Operand 2654 states and 3005 transitions. [2020-09-25 01:40:47,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-09-25 01:40:47,557 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:40:47,558 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, 1, 1, 1, 1] [2020-09-25 01:40:47,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 01:40:47,558 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:40:47,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:40:47,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1921012257, now seen corresponding path program 1 times [2020-09-25 01:40:47,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:40:47,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [174594034] [2020-09-25 01:40:47,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:40:47,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:47,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:47,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:48,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:49,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:52,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:52,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-09-25 01:40:52,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 01:40:52,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-09-25 01:40:52,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:52,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:40:52,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-09-25 01:40:52,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-25 01:40:52,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:52,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:40:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:52,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:52,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:52,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 01:40:52,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:52,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-25 01:40:52,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:52,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:52,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:52,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:52,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:52,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 01:40:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:52,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:52,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:52,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 01:40:52,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:52,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 01:40:52,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:52,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:52,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:52,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:52,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:53,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:40:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:53,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:53,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:53,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:40:53,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:53,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 01:40:53,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:53,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:53,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:53,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:53,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:53,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 01:40:53,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:53,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:53,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:53,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:40:53,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:53,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 01:40:53,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:53,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:53,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:53,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:53,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:53,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-25 01:40:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:53,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:53,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:53,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 01:40:53,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:53,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 01:40:53,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:53,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:53,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:53,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:53,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:53,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:40:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:53,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:53,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:53,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:40:53,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:53,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 01:40:53,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:53,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:53,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:53,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:53,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:53,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:40:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:53,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:53,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:53,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 01:40:53,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:53,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 01:40:53,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:53,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:53,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:53,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:53,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:53,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:40:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:53,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:53,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:53,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:40:53,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:53,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 01:40:53,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:53,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:53,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:53,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:53,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:53,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 01:40:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:53,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:53,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:53,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 01:40:53,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:53,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-25 01:40:53,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:53,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:40:53,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:53,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-25 01:40:53,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:53,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:40:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:53,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:53,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:53,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 01:40:53,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:53,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 01:40:53,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:53,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:53,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:53,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:53,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:53,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:40:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:53,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:53,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:53,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:40:53,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:53,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 01:40:53,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:53,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:53,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:53,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:53,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:53,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 01:40:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:53,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:53,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:53,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:40:53,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:53,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 01:40:53,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:53,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:53,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:53,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:53,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:53,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-25 01:40:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:53,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:53,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:53,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 01:40:53,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:53,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 01:40:53,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:53,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:53,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:53,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:53,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:53,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:40:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:53,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:53,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:53,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:40:53,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:53,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 01:40:53,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:53,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:53,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:53,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:53,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:53,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 01:40:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:53,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:53,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:53,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:40:53,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:53,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 01:40:53,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:53,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:53,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:53,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:53,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:53,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 01:40:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:53,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:53,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:53,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-25 01:40:53,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:53,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-25 01:40:53,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:53,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:53,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-09-25 01:40:53,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:53,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:53,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 01:40:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:53,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:53,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:53,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:40:53,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:53,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 01:40:53,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:53,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:53,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:53,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:53,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:53,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 01:40:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:53,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:53,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:53,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:40:53,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:53,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 01:40:53,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:53,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:53,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:53,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:53,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:53,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 01:40:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:53,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:53,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:53,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-25 01:40:53,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:53,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 01:40:53,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:53,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:53,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:53,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:53,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:53,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 01:40:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:53,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:53,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:53,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 01:40:53,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:53,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 01:40:53,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:53,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:53,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:53,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:53,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:53,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-25 01:40:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:53,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:53,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:53,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 01:40:53,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:53,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 01:40:53,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:53,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:53,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 01:40:53,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:53,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:53,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:40:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:53,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking...