/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 SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 13:49:04,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 13:49:04,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 13:49:04,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 13:49:04,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 13:49:04,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 13:49:04,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 13:49:04,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 13:49:04,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 13:49:04,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 13:49:04,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 13:49:04,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 13:49:04,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 13:49:04,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 13:49:04,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 13:49:04,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 13:49:04,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 13:49:04,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 13:49:04,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 13:49:04,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 13:49:04,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 13:49:04,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 13:49:04,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 13:49:04,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 13:49:04,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 13:49:04,521 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 13:49:04,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 13:49:04,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 13:49:04,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 13:49:04,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 13:49:04,524 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 13:49:04,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 13:49:04,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 13:49:04,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 13:49:04,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 13:49:04,530 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 13:49:04,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 13:49:04,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 13:49:04,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 13:49:04,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 13:49:04,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 13:49:04,538 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-14 13:49:04,564 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 13:49:04,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 13:49:04,566 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 13:49:04,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 13:49:04,566 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 13:49:04,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 13:49:04,567 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 13:49:04,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 13:49:04,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 13:49:04,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 13:49:04,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 13:49:04,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 13:49:04,568 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 13:49:04,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 13:49:04,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 13:49:04,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 13:49:04,569 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 13:49:04,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 13:49:04,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 13:49:04,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 13:49:04,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 13:49:04,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 13:49:04,570 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 13:49:04,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 13:49:04,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 13:49:04,570 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 13:49:04,571 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-14 13:49:04,571 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 -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 13:49:04,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 13:49:04,867 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 13:49:04,871 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 13:49:04,872 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 13:49:04,873 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 13:49:04,873 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i [2020-10-14 13:49:04,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f3e8072f8/cc30df5c089d446eabfac6dab4bcb903/FLAG7f3c191d2 [2020-10-14 13:49:05,707 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 13:49:05,708 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i [2020-10-14 13:49:05,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f3e8072f8/cc30df5c089d446eabfac6dab4bcb903/FLAG7f3c191d2 [2020-10-14 13:49:05,769 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f3e8072f8/cc30df5c089d446eabfac6dab4bcb903 [2020-10-14 13:49:05,780 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 13:49:05,782 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 13:49:05,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 13:49:05,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 13:49:05,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 13:49:05,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 01:49:05" (1/1) ... [2020-10-14 13:49:05,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6668710e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:49:05, skipping insertion in model container [2020-10-14 13:49:05,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 01:49:05" (1/1) ... [2020-10-14 13:49:05,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 13:49:05,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 13:49:07,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 13:49:07,165 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 13:49:07,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 13:49:07,510 INFO L208 MainTranslator]: Completed translation [2020-10-14 13:49:07,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:49:07 WrapperNode [2020-10-14 13:49:07,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 13:49:07,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 13:49:07,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 13:49:07,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 13:49:07,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:49:07" (1/1) ... [2020-10-14 13:49:07,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:49:07" (1/1) ... [2020-10-14 13:49:07,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:49:07" (1/1) ... [2020-10-14 13:49:07,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:49:07" (1/1) ... [2020-10-14 13:49:07,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:49:07" (1/1) ... [2020-10-14 13:49:07,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:49:07" (1/1) ... [2020-10-14 13:49:07,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:49:07" (1/1) ... [2020-10-14 13:49:07,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 13:49:07,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 13:49:07,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 13:49:07,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 13:49:07,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:49:07" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 13:49:07,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 13:49:07,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 13:49:07,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2020-10-14 13:49:07,767 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2020-10-14 13:49:07,768 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-10-14 13:49:07,768 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2020-10-14 13:49:07,768 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 13:49:07,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2020-10-14 13:49:07,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 13:49:07,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-14 13:49:07,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-14 13:49:07,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-14 13:49:07,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-14 13:49:07,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-14 13:49:07,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-14 13:49:07,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-14 13:49:07,770 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-14 13:49:07,770 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2020-10-14 13:49:07,771 INFO L138 BoogieDeclarations]: Found implementation of procedure rx [2020-10-14 13:49:07,771 INFO L138 BoogieDeclarations]: Found implementation of procedure build_header [2020-10-14 13:49:07,771 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_tx [2020-10-14 13:49:07,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ack_tx [2020-10-14 13:49:07,820 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_cap_init [2020-10-14 13:49:07,821 INFO L138 BoogieDeclarations]: Found implementation of procedure capmode_module_init [2020-10-14 13:49:07,821 INFO L138 BoogieDeclarations]: Found implementation of procedure capmode_module_exit [2020-10-14 13:49:07,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ArcProto_1 [2020-10-14 13:49:07,821 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 13:49:07,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-14 13:49:07,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-14 13:49:07,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-14 13:49:07,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-14 13:49:07,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-14 13:49:07,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2020-10-14 13:49:07,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_14 [2020-10-14 13:49:07,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_15 [2020-10-14 13:49:07,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_17 [2020-10-14 13:49:07,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-14 13:49:07,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-14 13:49:07,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-14 13:49:07,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-14 13:49:07,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-14 13:49:07,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-14 13:49:07,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-14 13:49:07,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-14 13:49:07,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-14 13:49:07,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-14 13:49:07,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 13:49:07,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-14 13:49:07,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-14 13:49:07,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-14 13:49:07,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-14 13:49:07,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-14 13:49:07,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 13:49:07,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2020-10-14 13:49:07,827 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_unregister_proto [2020-10-14 13:49:07,827 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-14 13:49:07,828 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-14 13:49:07,828 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-14 13:49:07,828 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-14 13:49:07,828 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 13:49:07,828 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-14 13:49:07,828 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-14 13:49:07,828 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-14 13:49:07,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 13:49:07,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-14 13:49:07,829 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-14 13:49:07,830 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-14 13:49:07,830 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-14 13:49:07,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-14 13:49:07,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-14 13:49:07,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-14 13:49:07,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-14 13:49:07,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2020-10-14 13:49:07,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-14 13:49:07,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_14 [2020-10-14 13:49:07,831 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-14 13:49:07,831 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-14 13:49:07,831 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-14 13:49:07,831 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2020-10-14 13:49:07,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 13:49:07,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 13:49:07,831 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-10-14 13:49:07,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 13:49:07,832 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2020-10-14 13:49:07,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-14 13:49:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-14 13:49:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-14 13:49:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-14 13:49:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 13:49:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 13:49:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 13:49:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-14 13:49:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 13:49:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 13:49:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 13:49:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2020-10-14 13:49:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 13:49:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-14 13:49:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 13:49:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-14 13:49:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-14 13:49:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-14 13:49:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-14 13:49:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-14 13:49:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-14 13:49:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ArcProto_1 [2020-10-14 13:49:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-14 13:49:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2020-10-14 13:49:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2020-10-14 13:49:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_15 [2020-10-14 13:49:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_17 [2020-10-14 13:49:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_unregister_proto [2020-10-14 13:49:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure rx [2020-10-14 13:49:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 13:49:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2020-10-14 13:49:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 13:49:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure build_header [2020-10-14 13:49:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_tx [2020-10-14 13:49:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure ack_tx [2020-10-14 13:49:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_cap_init [2020-10-14 13:49:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure capmode_module_init [2020-10-14 13:49:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure capmode_module_exit [2020-10-14 13:49:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 13:49:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 13:49:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 13:49:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-14 13:49:07,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 13:49:07,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-14 13:49:07,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-14 13:49:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-14 13:49:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-14 13:49:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-14 13:49:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-14 13:49:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-14 13:49:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-14 13:49:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-14 13:49:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-14 13:49:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-14 13:49:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-14 13:49:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 13:49:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 13:49:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 13:49:07,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 13:49:07,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 13:49:07,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 13:49:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-14 13:49:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-14 13:49:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-14 13:49:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-14 13:49:08,745 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-14 13:49:09,473 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 13:49:09,476 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-14 13:49:09,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 01:49:09 BoogieIcfgContainer [2020-10-14 13:49:09,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 13:49:09,485 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 13:49:09,485 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 13:49:09,488 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 13:49:09,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 01:49:05" (1/3) ... [2020-10-14 13:49:09,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58085e0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 01:49:09, skipping insertion in model container [2020-10-14 13:49:09,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:49:07" (2/3) ... [2020-10-14 13:49:09,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58085e0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 01:49:09, skipping insertion in model container [2020-10-14 13:49:09,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 01:49:09" (3/3) ... [2020-10-14 13:49:09,492 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i [2020-10-14 13:49:09,503 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 13:49:09,512 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 13:49:09,527 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 13:49:09,556 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 13:49:09,556 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 13:49:09,557 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 13:49:09,557 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 13:49:09,557 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 13:49:09,557 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 13:49:09,557 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 13:49:09,557 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 13:49:09,586 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states. [2020-10-14 13:49:09,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-14 13:49:09,598 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 13:49:09,599 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] [2020-10-14 13:49:09,600 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 13:49:09,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 13:49:09,607 INFO L82 PathProgramCache]: Analyzing trace with hash -347431840, now seen corresponding path program 1 times [2020-10-14 13:49:09,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 13:49:09,616 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1226145883] [2020-10-14 13:49:09,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 13:49:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:10,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:10,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:10,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:11,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:12,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:12,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 13:49:12,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 13:49:12,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2459 [2020-10-14 13:49:12,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:12,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:12,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:12,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 13:49:12,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:12,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 13:49:12,771 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 13:49:12,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:49:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:12,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:12,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:12,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:12,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:12,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 13:49:12,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:12,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:12,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:12,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:12,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:12,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:12,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:49:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:12,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:12,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:12,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:49:12,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:12,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 13:49:12,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:12,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:12,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:12,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 13:49:12,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:12,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:12,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:49:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:12,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:12,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:12,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:12,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:12,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 13:49:12,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:12,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:12,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:12,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:12,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:12,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:12,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:49:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:12,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:12,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:12,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:49:12,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:12,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 13:49:12,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:12,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:12,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:12,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 13:49:12,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:12,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:12,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 13:49:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:12,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:12,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:12,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:49:12,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:12,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 13:49:12,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:12,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:12,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:12,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 13:49:12,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:12,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:12,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:49:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:12,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:12,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:12,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:12,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:12,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 13:49:12,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:12,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:12,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:12,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:12,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:12,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:12,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 13:49:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:13,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:13,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:13,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:13,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:49:13,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 13:49:13,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 13:49:13,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:13,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:13,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:13,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 13:49:13,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:13,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:13,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 13:49:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:13,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:13,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:13,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:49:13,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:13,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 13:49:13,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:13,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:13,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:13,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 13:49:13,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:13,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:13,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:49:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:13,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:13,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:13,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:13,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:13,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 13:49:13,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:13,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:13,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:13,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:13,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:13,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:13,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 13:49:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:13,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:13,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:13,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:13,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:13,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 13:49:13,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:13,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:13,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:13,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 13:49:13,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:13,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:13,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 13:49:13,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1226145883] [2020-10-14 13:49:13,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 13:49:13,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 13:49:13,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605043201] [2020-10-14 13:49:13,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 13:49:13,093 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 13:49:13,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 13:49:13,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 13:49:13,110 INFO L87 Difference]: Start difference. First operand 339 states. Second operand 7 states. [2020-10-14 13:49:13,333 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 13:49:15,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 13:49:15,478 INFO L93 Difference]: Finished difference Result 736 states and 990 transitions. [2020-10-14 13:49:15,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 13:49:15,480 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 59 [2020-10-14 13:49:15,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 13:49:15,499 INFO L225 Difference]: With dead ends: 736 [2020-10-14 13:49:15,499 INFO L226 Difference]: Without dead ends: 420 [2020-10-14 13:49:15,507 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-14 13:49:15,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2020-10-14 13:49:15,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 299. [2020-10-14 13:49:15,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-14 13:49:15,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 370 transitions. [2020-10-14 13:49:15,679 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 370 transitions. Word has length 59 [2020-10-14 13:49:15,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 13:49:15,680 INFO L479 AbstractCegarLoop]: Abstraction has 299 states and 370 transitions. [2020-10-14 13:49:15,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 13:49:15,680 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 370 transitions. [2020-10-14 13:49:15,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-14 13:49:15,692 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 13:49:15,692 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] [2020-10-14 13:49:15,693 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 13:49:15,693 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 13:49:15,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 13:49:15,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1898147614, now seen corresponding path program 1 times [2020-10-14 13:49:15,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 13:49:15,694 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1308006711] [2020-10-14 13:49:15,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 13:49:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:15,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:15,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:16,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:17,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:17,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 13:49:17,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 13:49:17,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1466 [2020-10-14 13:49:17,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:17,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:17,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 13:49:17,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 13:49:17,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 13:49:17,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:17,481 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 13:49:17,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:49:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:17,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:17,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:17,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:17,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:17,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 13:49:17,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:17,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:17,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:17,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:17,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:17,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:17,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:49:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:17,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:17,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:17,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:49:17,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:17,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 13:49:17,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:17,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:17,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:17,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:17,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:17,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:17,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:49:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:17,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:17,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:17,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:17,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:17,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 13:49:17,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:17,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:17,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:17,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:17,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:17,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:17,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:49:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:17,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:17,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:17,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:49:17,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:17,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 13:49:17,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:17,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:17,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:17,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:17,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:17,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:17,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 13:49:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:17,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:17,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:17,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:49:17,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:17,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 13:49:17,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:17,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:17,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:17,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:17,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:17,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:17,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:49:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:17,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:17,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:17,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:17,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:17,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:49:17,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:17,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:17,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:17,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:17,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:17,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:17,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 13:49:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:17,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:17,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:17,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:17,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:49:17,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 13:49:17,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 13:49:17,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:17,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:17,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:17,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:17,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:17,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:17,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 13:49:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:17,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:17,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:17,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:49:17,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:17,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 13:49:17,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:17,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:17,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:17,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 13:49:17,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:17,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:17,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:49:17,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:17,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:17,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:17,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:17,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:17,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:49:17,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:17,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:17,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:17,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:17,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:17,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:17,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 13:49:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:17,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:17,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:17,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:17,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:17,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 13:49:17,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:17,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:17,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:17,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 13:49:17,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:17,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:17,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 13:49:17,797 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1308006711] [2020-10-14 13:49:17,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 13:49:17,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 13:49:17,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644055967] [2020-10-14 13:49:17,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 13:49:17,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 13:49:17,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 13:49:17,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 13:49:17,801 INFO L87 Difference]: Start difference. First operand 299 states and 370 transitions. Second operand 8 states. [2020-10-14 13:49:17,966 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 13:49:18,204 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-14 13:49:18,418 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-14 13:49:22,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 13:49:22,148 INFO L93 Difference]: Finished difference Result 780 states and 1020 transitions. [2020-10-14 13:49:22,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 13:49:22,150 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-10-14 13:49:22,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 13:49:22,158 INFO L225 Difference]: With dead ends: 780 [2020-10-14 13:49:22,159 INFO L226 Difference]: Without dead ends: 761 [2020-10-14 13:49:22,161 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2020-10-14 13:49:22,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2020-10-14 13:49:22,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 533. [2020-10-14 13:49:22,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2020-10-14 13:49:22,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 667 transitions. [2020-10-14 13:49:22,273 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 667 transitions. Word has length 59 [2020-10-14 13:49:22,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 13:49:22,274 INFO L479 AbstractCegarLoop]: Abstraction has 533 states and 667 transitions. [2020-10-14 13:49:22,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 13:49:22,274 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 667 transitions. [2020-10-14 13:49:22,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-14 13:49:22,277 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 13:49:22,277 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] [2020-10-14 13:49:22,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 13:49:22,277 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 13:49:22,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 13:49:22,278 INFO L82 PathProgramCache]: Analyzing trace with hash 922658486, now seen corresponding path program 1 times [2020-10-14 13:49:22,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 13:49:22,278 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1261604095] [2020-10-14 13:49:22,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 13:49:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:22,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:22,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:22,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:23,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:23,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:27,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:27,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 13:49:27,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 13:49:27,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-14 13:49:27,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:27,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:27,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 13:49:27,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-14 13:49:27,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 13:49:27,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:27,513 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 13:49:27,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:49:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:27,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:27,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:27,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:27,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:27,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 13:49:27,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:27,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:27,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:27,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:27,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:27,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:27,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:49:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:27,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:27,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:27,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:49:27,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:27,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 13:49:27,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:27,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:27,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:27,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:27,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:27,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:27,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:49:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:27,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:27,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:27,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:27,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:27,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 13:49:27,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:27,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:27,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:27,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:27,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:27,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:27,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:49:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:27,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:27,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:27,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:49:27,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:27,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:49:27,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:27,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:27,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:27,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:27,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:27,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:27,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 13:49:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:27,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:27,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:27,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:49:27,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:27,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:49:27,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:27,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:27,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:27,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:27,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:27,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:27,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:49:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:27,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:27,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:27,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:27,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:27,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:49:27,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:27,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:27,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:27,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:27,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:27,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:27,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 13:49:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:27,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:27,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:27,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:27,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:49:27,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 13:49:27,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 13:49:27,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:27,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:27,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:27,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:27,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:27,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:27,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 13:49:27,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:27,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:27,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:27,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 13:49:27,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:27,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 13:49:27,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:27,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:27,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 13:49:27,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 13:49:27,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 13:49:27,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:27,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:49:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:27,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:27,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:27,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 13:49:27,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:27,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 13:49:27,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:27,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:27,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 13:49:27,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 13:49:27,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 13:49:27,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:27,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 13:49:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:27,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:27,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:27,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:27,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:27,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:49:27,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:27,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:27,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:27,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 13:49:27,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:27,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:27,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 13:49:27,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1261604095] [2020-10-14 13:49:27,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 13:49:27,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 13:49:27,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653957317] [2020-10-14 13:49:27,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 13:49:27,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 13:49:27,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 13:49:27,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-14 13:49:27,798 INFO L87 Difference]: Start difference. First operand 533 states and 667 transitions. Second operand 9 states. [2020-10-14 13:49:27,990 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 13:49:28,535 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:49:28,933 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 13:49:30,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 13:49:30,912 INFO L93 Difference]: Finished difference Result 1279 states and 1655 transitions. [2020-10-14 13:49:30,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 13:49:30,913 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 67 [2020-10-14 13:49:30,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 13:49:30,920 INFO L225 Difference]: With dead ends: 1279 [2020-10-14 13:49:30,920 INFO L226 Difference]: Without dead ends: 767 [2020-10-14 13:49:30,925 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-14 13:49:30,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2020-10-14 13:49:31,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 534. [2020-10-14 13:49:31,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2020-10-14 13:49:31,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 668 transitions. [2020-10-14 13:49:31,008 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 668 transitions. Word has length 67 [2020-10-14 13:49:31,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 13:49:31,008 INFO L479 AbstractCegarLoop]: Abstraction has 534 states and 668 transitions. [2020-10-14 13:49:31,008 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 13:49:31,008 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 668 transitions. [2020-10-14 13:49:31,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-14 13:49:31,010 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 13:49:31,010 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] [2020-10-14 13:49:31,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 13:49:31,011 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 13:49:31,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 13:49:31,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1264964381, now seen corresponding path program 1 times [2020-10-14 13:49:31,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 13:49:31,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [468319437] [2020-10-14 13:49:31,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 13:49:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:31,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:31,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:31,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:31,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:33,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:36,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:36,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-14 13:49:36,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 13:49:36,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-14 13:49:36,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:36,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:36,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 13:49:36,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-14 13:49:36,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 13:49:36,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:36,303 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 13:49:36,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:49:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:36,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:36,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:36,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:36,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:36,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 13:49:36,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:36,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:36,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:36,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:36,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:36,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:36,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:49:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:36,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:36,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:36,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:49:36,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:36,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 13:49:36,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:36,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:36,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:36,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:36,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:36,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:36,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:49:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:36,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:36,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:36,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:36,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:36,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:49:36,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:36,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:36,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:36,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:36,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:36,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:36,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:49:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:36,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:36,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:36,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:49:36,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:36,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:49:36,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:36,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:36,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:36,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:36,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:36,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:36,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 13:49:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:36,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:36,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:36,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:49:36,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:36,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:49:36,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:36,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:36,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:36,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:36,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:36,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:36,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:49:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:36,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:36,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:36,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:36,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:36,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:49:36,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:36,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:36,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:36,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:36,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:36,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:36,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 13:49:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:36,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:36,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:36,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:36,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:49:36,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 13:49:36,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 13:49:36,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:36,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:36,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:36,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:36,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:36,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:36,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 13:49:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:36,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:36,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:36,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:36,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 13:49:36,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 13:49:36,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-14 13:49:36,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:36,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:36,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 13:49:36,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:36,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 13:49:36,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:36,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:49:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:36,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:36,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:36,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:36,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 13:49:36,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 13:49:36,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 13:49:36,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:36,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:36,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:36,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:36,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:36,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:36,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-14 13:49:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:36,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:36,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:36,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:36,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:36,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:49:36,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:36,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:36,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:36,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 13:49:36,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:36,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:36,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 13:49:36,731 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [468319437] [2020-10-14 13:49:36,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 13:49:36,731 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 13:49:36,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552822025] [2020-10-14 13:49:36,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 13:49:36,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 13:49:36,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 13:49:36,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-14 13:49:36,735 INFO L87 Difference]: Start difference. First operand 534 states and 668 transitions. Second operand 11 states. [2020-10-14 13:49:36,934 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 13:49:37,215 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-14 13:49:37,453 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-14 13:49:38,165 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-14 13:49:38,461 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-14 13:49:40,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 13:49:40,601 INFO L93 Difference]: Finished difference Result 1275 states and 1646 transitions. [2020-10-14 13:49:40,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 13:49:40,606 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 71 [2020-10-14 13:49:40,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 13:49:40,615 INFO L225 Difference]: With dead ends: 1275 [2020-10-14 13:49:40,615 INFO L226 Difference]: Without dead ends: 762 [2020-10-14 13:49:40,617 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-10-14 13:49:40,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2020-10-14 13:49:40,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 533. [2020-10-14 13:49:40,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2020-10-14 13:49:40,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 664 transitions. [2020-10-14 13:49:40,699 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 664 transitions. Word has length 71 [2020-10-14 13:49:40,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 13:49:40,700 INFO L479 AbstractCegarLoop]: Abstraction has 533 states and 664 transitions. [2020-10-14 13:49:40,700 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 13:49:40,700 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 664 transitions. [2020-10-14 13:49:40,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-14 13:49:40,703 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 13:49:40,704 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 13:49:40,704 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 13:49:40,704 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 13:49:40,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 13:49:40,704 INFO L82 PathProgramCache]: Analyzing trace with hash 674603096, now seen corresponding path program 1 times [2020-10-14 13:49:40,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 13:49:40,705 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [30067515] [2020-10-14 13:49:40,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 13:49:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:40,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:40,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:41,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:43,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:43,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-14 13:49:43,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 13:49:43,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2649 [2020-10-14 13:49:43,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:43,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:43,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 13:49:43,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-14 13:49:43,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 13:49:43,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:43,576 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 13:49:43,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:49:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:43,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:43,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:43,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:43,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:43,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 13:49:43,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:43,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:43,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:43,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:43,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:43,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:43,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:49:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:43,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:43,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:43,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:49:43,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:43,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 13:49:43,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:43,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:43,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:43,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:43,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:43,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:43,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:49:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:43,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:43,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:43,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:43,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:43,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 13:49:43,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:43,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:43,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:43,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:43,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:43,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 13:49:43,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:49:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:43,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:43,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:43,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:49:43,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:43,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 13:49:43,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:43,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:43,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:43,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:43,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:43,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:43,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 13:49:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:43,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:43,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:43,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:49:43,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:43,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:49:43,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:43,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:43,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:43,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:43,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:43,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:43,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:49:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:43,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:43,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:43,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:43,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:43,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:49:43,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:43,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:43,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:43,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:43,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:43,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:43,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 13:49:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:43,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:43,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:43,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:43,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:49:43,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 13:49:43,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 13:49:43,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:43,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:43,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:43,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:43,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:43,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:43,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 13:49:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:43,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:43,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:43,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 13:49:43,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:43,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 13:49:43,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:43,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:43,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 13:49:43,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 13:49:43,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 13:49:43,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:43,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:49:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:43,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:43,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:43,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 13:49:43,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:43,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 13:49:43,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:43,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:43,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 13:49:43,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 13:49:43,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 13:49:43,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:43,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 13:49:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:43,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:43,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:43,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-14 13:49:43,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:43,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 13:49:43,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:43,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:43,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:43,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-14 13:49:43,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:43,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:44,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:49:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:44,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:44,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:44,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:49:44,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:44,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 13:49:44,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:44,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:44,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:44,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:44,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:44,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:44,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:49:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:44,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:44,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:44,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:44,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:44,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:49:44,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:44,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:44,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:44,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:44,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:44,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:44,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:49:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:44,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:44,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:44,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:49:44,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:44,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:49:44,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:44,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:44,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:44,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:44,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:44,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:44,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 13:49:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:44,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:44,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:44,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:49:44,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:44,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 13:49:44,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:44,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:44,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:44,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:44,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:44,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:44,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:49:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:44,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:44,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:44,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:44,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:44,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:49:44,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:44,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:44,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:44,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:44,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:44,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:44,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:49:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:44,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:44,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:44,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:49:44,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:44,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:49:44,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:44,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:44,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:44,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:44,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:44,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:44,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 13:49:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:44,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:44,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:44,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:49:44,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:44,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:49:44,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:44,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:44,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:44,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 13:49:44,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:44,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:44,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:49:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:44,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:44,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:44,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:44,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:44,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:49:44,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:44,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:44,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:44,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:44,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:44,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:44,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-14 13:49:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:44,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:44,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:44,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:44,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:44,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 13:49:44,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:44,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:44,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:44,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 13:49:44,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:44,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:44,205 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-14 13:49:44,205 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [30067515] [2020-10-14 13:49:44,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 13:49:44,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 13:49:44,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140446174] [2020-10-14 13:49:44,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 13:49:44,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 13:49:44,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 13:49:44,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-14 13:49:44,208 INFO L87 Difference]: Start difference. First operand 533 states and 664 transitions. Second operand 11 states. [2020-10-14 13:49:44,467 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 13:49:45,096 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:49:45,437 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:49:45,776 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 13:49:47,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 13:49:47,786 INFO L93 Difference]: Finished difference Result 1286 states and 1659 transitions. [2020-10-14 13:49:47,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 13:49:47,787 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 121 [2020-10-14 13:49:47,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 13:49:47,793 INFO L225 Difference]: With dead ends: 1286 [2020-10-14 13:49:47,793 INFO L226 Difference]: Without dead ends: 774 [2020-10-14 13:49:47,796 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2020-10-14 13:49:47,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2020-10-14 13:49:47,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 537. [2020-10-14 13:49:47,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2020-10-14 13:49:47,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 669 transitions. [2020-10-14 13:49:47,866 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 669 transitions. Word has length 121 [2020-10-14 13:49:47,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 13:49:47,867 INFO L479 AbstractCegarLoop]: Abstraction has 537 states and 669 transitions. [2020-10-14 13:49:47,867 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 13:49:47,867 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 669 transitions. [2020-10-14 13:49:47,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-14 13:49:47,870 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 13:49:47,870 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 13:49:47,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 13:49:47,871 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 13:49:47,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 13:49:47,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1460528769, now seen corresponding path program 2 times [2020-10-14 13:49:47,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 13:49:47,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [373264111] [2020-10-14 13:49:47,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 13:49:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:47,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:48,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:48,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:51,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:51,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-14 13:49:51,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 13:49:51,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3440 [2020-10-14 13:49:51,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:51,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:51,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 13:49:51,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-14 13:49:51,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 13:49:51,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:51,564 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 13:49:51,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:49:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:51,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:51,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:51,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:51,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:51,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 13:49:51,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:51,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:51,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:51,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:51,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:51,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:51,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:49:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:51,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:51,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:51,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:49:51,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:51,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 13:49:51,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:51,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:51,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:51,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:51,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:51,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:51,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:49:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:51,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:51,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:51,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:51,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:51,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:49:51,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:51,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:51,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:51,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:51,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:51,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:51,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:49:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:51,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:51,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:51,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:49:51,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:51,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:49:51,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:51,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:51,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:51,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:51,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:51,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:51,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 13:49:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:51,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:51,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:51,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:49:51,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:51,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:49:51,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:51,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:51,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:51,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:51,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:51,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:51,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:49:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:51,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:51,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:51,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:51,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:51,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:49:51,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:51,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:51,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:51,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:51,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:51,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:51,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 13:49:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:51,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:51,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:51,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:51,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:49:51,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 13:49:51,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 13:49:51,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:51,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:51,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:51,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:51,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:51,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:51,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 13:49:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:51,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:51,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:51,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 13:49:51,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:51,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 13:49:51,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:51,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:51,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 13:49:51,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 13:49:51,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 13:49:51,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:51,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:49:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:51,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:51,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:51,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 13:49:51,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:51,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 13:49:51,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:51,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:51,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 13:49:51,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 13:49:51,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 13:49:51,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:51,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 13:49:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:51,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:51,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:51,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-14 13:49:51,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:51,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 13:49:51,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:51,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:51,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:51,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-14 13:49:51,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:51,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:51,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:49:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:51,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:51,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:51,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:49:51,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:51,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 13:49:51,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:51,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:51,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:51,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:51,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:51,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:52,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:49:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:52,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:52,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:52,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:52,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:52,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:49:52,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:52,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:52,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:52,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:52,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:52,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:52,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:49:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:52,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:52,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:52,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:49:52,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:52,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:49:52,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:52,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:52,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:52,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:52,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:52,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:52,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 13:49:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:52,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:52,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:52,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:49:52,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:52,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 13:49:52,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:52,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:52,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:52,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:52,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:52,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:52,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:49:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:52,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:52,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:52,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:52,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:52,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:49:52,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:52,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:52,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:52,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:52,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:52,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:52,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:49:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:52,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:52,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:52,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:49:52,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:52,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:49:52,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:52,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:52,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:52,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 13:49:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:52,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:52,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:52,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:49:52,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:52,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:49:52,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:52,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:52,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:52,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 13:49:52,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:52,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:52,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:49:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:52,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:52,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:52,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:52,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:52,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:49:52,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:52,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:52,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:52,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:49:52,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:52,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:49:52,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 13:49:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:52,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:52,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:49:52,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:49:52,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:49:52,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:49:52,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:49:52,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:49:52,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:49:52,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 13:49:52,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:49:52,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:49:52,156 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-14 13:49:52,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [373264111] [2020-10-14 13:49:52,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 13:49:52,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-14 13:49:52,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594831397] [2020-10-14 13:49:52,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 13:49:52,158 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 13:49:52,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 13:49:52,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-14 13:49:52,159 INFO L87 Difference]: Start difference. First operand 537 states and 669 transitions. Second operand 12 states. [2020-10-14 13:49:52,376 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 13:49:53,127 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:49:53,464 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:49:53,827 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:49:54,101 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 13:49:56,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 13:49:56,701 INFO L93 Difference]: Finished difference Result 1298 states and 1674 transitions. [2020-10-14 13:49:56,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 13:49:56,702 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 125 [2020-10-14 13:49:56,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 13:49:56,715 INFO L225 Difference]: With dead ends: 1298 [2020-10-14 13:49:56,715 INFO L226 Difference]: Without dead ends: 782 [2020-10-14 13:49:56,718 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2020-10-14 13:49:56,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2020-10-14 13:49:56,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 541. [2020-10-14 13:49:56,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2020-10-14 13:49:56,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 674 transitions. [2020-10-14 13:49:56,810 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 674 transitions. Word has length 125 [2020-10-14 13:49:56,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 13:49:56,811 INFO L479 AbstractCegarLoop]: Abstraction has 541 states and 674 transitions. [2020-10-14 13:49:56,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 13:49:56,811 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 674 transitions. [2020-10-14 13:49:56,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-14 13:49:56,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 13:49:56,816 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 13:49:56,816 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 13:49:56,816 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 13:49:56,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 13:49:56,817 INFO L82 PathProgramCache]: Analyzing trace with hash 384804646, now seen corresponding path program 3 times [2020-10-14 13:49:56,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 13:49:56,817 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [958620925] [2020-10-14 13:49:56,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 13:49:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:49:56,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:56,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:49:57,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:00,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:00,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-14 13:50:00,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 13:50:00,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3685 [2020-10-14 13:50:00,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:00,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:00,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 13:50:00,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-14 13:50:00,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 13:50:00,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:00,756 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 13:50:00,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:50:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:00,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:00,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:00,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:00,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:00,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 13:50:00,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:00,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:00,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:00,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:00,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:00,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:00,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:00,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:00,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:00,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:00,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:00,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 13:50:00,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:00,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:00,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:00,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:00,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:00,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:00,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:00,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:00,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:00,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:00,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:00,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 13:50:00,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:00,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:00,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:00,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:00,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:00,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:00,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:00,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:00,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:00,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:00,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:00,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 13:50:00,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:00,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:00,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:00,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:00,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:00,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:00,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 13:50:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:00,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:00,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:00,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:50:00,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:00,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:50:00,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:00,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:00,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:00,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:00,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:00,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:00,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:50:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:00,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:00,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:00,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:00,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:00,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:50:00,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:00,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:00,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:00,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:00,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:00,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:00,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 13:50:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:00,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:00,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:00,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:00,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:00,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 13:50:00,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:00,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:00,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 13:50:00,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 13:50:00,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 13:50:00,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:01,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 13:50:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:01,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:01,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:01,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:01,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 13:50:01,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 13:50:01,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-14 13:50:01,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:01,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:01,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:01,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 13:50:01,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:01,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:01,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:01,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:01,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:01,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:01,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:01,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 13:50:01,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 13:50:01,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:01,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:01,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:01,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:01,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:01,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:01,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 13:50:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:01,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:01,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:01,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-14 13:50:01,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:01,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 13:50:01,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:01,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:01,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:01,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-14 13:50:01,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:01,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:01,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:01,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:01,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:01,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:01,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:01,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 13:50:01,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:01,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:01,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:01,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:01,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:01,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:01,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:01,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:01,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:01,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:01,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:01,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:50:01,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:01,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:01,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:01,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:01,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:01,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:01,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:01,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:01,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:01,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:01,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:01,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 13:50:01,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:01,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:01,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:01,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:01,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:01,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:01,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 13:50:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:01,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:01,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:01,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:01,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:01,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 13:50:01,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:01,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:01,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:01,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:01,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:01,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:01,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:01,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:01,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:01,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:01,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:01,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:01,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:01,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:01,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:01,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:01,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:01,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:01,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:01,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:01,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:01,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:01,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:01,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:01,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:01,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:01,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:01,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:01,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:01,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:01,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-14 13:50:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:01,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:01,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:01,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:50:01,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:01,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:01,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:01,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:01,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:01,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 13:50:01,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:01,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:01,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:50:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:01,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:01,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:01,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:01,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:01,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 13:50:01,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:01,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:01,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:01,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:01,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:01,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:01,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 13:50:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:01,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:01,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:01,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:01,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:01,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:01,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:01,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:01,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:01,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 13:50:01,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:01,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:01,486 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-10-14 13:50:01,487 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [958620925] [2020-10-14 13:50:01,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 13:50:01,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 13:50:01,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647249316] [2020-10-14 13:50:01,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 13:50:01,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 13:50:01,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 13:50:01,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-14 13:50:01,489 INFO L87 Difference]: Start difference. First operand 541 states and 674 transitions. Second operand 11 states. [2020-10-14 13:50:01,662 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 13:50:02,152 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:50:02,347 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-14 13:50:02,920 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 13:50:04,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 13:50:04,910 INFO L93 Difference]: Finished difference Result 1297 states and 1668 transitions. [2020-10-14 13:50:04,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 13:50:04,916 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 129 [2020-10-14 13:50:04,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 13:50:04,921 INFO L225 Difference]: With dead ends: 1297 [2020-10-14 13:50:04,921 INFO L226 Difference]: Without dead ends: 774 [2020-10-14 13:50:04,926 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-10-14 13:50:04,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2020-10-14 13:50:04,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 542. [2020-10-14 13:50:04,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2020-10-14 13:50:04,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 675 transitions. [2020-10-14 13:50:04,997 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 675 transitions. Word has length 129 [2020-10-14 13:50:04,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 13:50:04,997 INFO L479 AbstractCegarLoop]: Abstraction has 542 states and 675 transitions. [2020-10-14 13:50:04,997 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 13:50:04,997 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 675 transitions. [2020-10-14 13:50:05,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-14 13:50:05,000 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 13:50:05,000 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 13:50:05,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 13:50:05,000 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 13:50:05,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 13:50:05,001 INFO L82 PathProgramCache]: Analyzing trace with hash -982617170, now seen corresponding path program 1 times [2020-10-14 13:50:05,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 13:50:05,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1748303308] [2020-10-14 13:50:05,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 13:50:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:05,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:05,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:06,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:06,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-14 13:50:06,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 13:50:06,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1857 [2020-10-14 13:50:06,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:06,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:06,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 13:50:06,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-14 13:50:06,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-14 13:50:06,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:07,233 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 13:50:07,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:50:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:07,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:07,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:07,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:07,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:07,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 13:50:07,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:07,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:07,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:07,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:07,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:07,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:07,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:07,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:07,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:07,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:07,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:07,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 13:50:07,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:07,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:07,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:07,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:07,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:07,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:07,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:07,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:07,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:07,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:07,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:07,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 13:50:07,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:07,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:07,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:07,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:07,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:07,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:07,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:07,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:07,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:07,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:07,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:07,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:50:07,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:07,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:07,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:07,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:07,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:07,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 13:50:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:07,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:07,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:07,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:50:07,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:07,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 13:50:07,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:07,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:07,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 13:50:07,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:07,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 13:50:07,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:07,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:50:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:07,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:07,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:07,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:07,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:07,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 13:50:07,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:07,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:07,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 13:50:07,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:07,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 13:50:07,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:07,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 13:50:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:07,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:07,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:07,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 13:50:07,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:07,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 13:50:07,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:07,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:07,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 13:50:07,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:07,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 13:50:07,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:07,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 13:50:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:07,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:07,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:07,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:07,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 13:50:07,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 13:50:07,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-10-14 13:50:07,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:07,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:07,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 13:50:07,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:07,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 13:50:07,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:07,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:07,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:07,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:07,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:07,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:07,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 13:50:07,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-14 13:50:07,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:07,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:07,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:07,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:07,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:07,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:07,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 13:50:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:07,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:07,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:07,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-14 13:50:07,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:07,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 13:50:07,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:07,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:07,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 13:50:07,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:07,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-14 13:50:07,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:07,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:08,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:08,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:08,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:08,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:08,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 13:50:08,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:08,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:08,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:08,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:08,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:08,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:08,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:08,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:08,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:08,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:08,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:08,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 13:50:08,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:08,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:08,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:08,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:08,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:08,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:08,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:08,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:08,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:08,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:08,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:08,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 13:50:08,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:08,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:08,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:08,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:08,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:08,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:08,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 13:50:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:08,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:08,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:08,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:08,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:08,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 13:50:08,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:08,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:08,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:08,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:08,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:08,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:08,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:08,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:08,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:08,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:08,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:08,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 13:50:08,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:08,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:08,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:08,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:08,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:08,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:08,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:08,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:08,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:08,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:08,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:08,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:50:08,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:08,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:08,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:08,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:08,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:08,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:08,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-14 13:50:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:08,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:08,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:08,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:50:08,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:08,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 13:50:08,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:08,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:08,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 13:50:08,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:08,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 13:50:08,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:08,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:50:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:08,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:08,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:08,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:08,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:08,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:50:08,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:08,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:08,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:08,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:08,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:08,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:08,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-14 13:50:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:08,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:08,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:08,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:08,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:08,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 13:50:08,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:08,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:08,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 13:50:08,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:08,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 13:50:08,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:08,286 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-10-14 13:50:08,287 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1748303308] [2020-10-14 13:50:08,287 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 13:50:08,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-14 13:50:08,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40142069] [2020-10-14 13:50:08,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 13:50:08,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 13:50:08,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 13:50:08,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-10-14 13:50:08,290 INFO L87 Difference]: Start difference. First operand 542 states and 675 transitions. Second operand 13 states. [2020-10-14 13:50:08,485 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 13:50:08,837 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-14 13:50:09,062 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-14 13:50:09,967 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-14 13:50:11,034 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 171 [2020-10-14 13:50:11,261 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-14 13:50:11,472 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-14 13:50:13,236 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 13:50:14,913 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 13:50:16,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 13:50:16,000 INFO L93 Difference]: Finished difference Result 1877 states and 2449 transitions. [2020-10-14 13:50:16,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 13:50:16,003 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 130 [2020-10-14 13:50:16,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 13:50:16,012 INFO L225 Difference]: With dead ends: 1877 [2020-10-14 13:50:16,012 INFO L226 Difference]: Without dead ends: 1341 [2020-10-14 13:50:16,015 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=197, Invalid=505, Unknown=0, NotChecked=0, Total=702 [2020-10-14 13:50:16,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1341 states. [2020-10-14 13:50:16,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1341 to 1179. [2020-10-14 13:50:16,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1179 states. [2020-10-14 13:50:16,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 1179 states and 1521 transitions. [2020-10-14 13:50:16,175 INFO L78 Accepts]: Start accepts. Automaton has 1179 states and 1521 transitions. Word has length 130 [2020-10-14 13:50:16,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 13:50:16,176 INFO L479 AbstractCegarLoop]: Abstraction has 1179 states and 1521 transitions. [2020-10-14 13:50:16,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 13:50:16,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1521 transitions. [2020-10-14 13:50:16,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-14 13:50:16,183 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 13:50:16,184 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 13:50:16,184 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 13:50:16,185 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 13:50:16,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 13:50:16,185 INFO L82 PathProgramCache]: Analyzing trace with hash -27639352, now seen corresponding path program 1 times [2020-10-14 13:50:16,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 13:50:16,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [384309513] [2020-10-14 13:50:16,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 13:50:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:16,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:16,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:16,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:16,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:21,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:21,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-14 13:50:21,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 13:50:21,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-14 13:50:21,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:21,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:21,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 13:50:21,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-10-14 13:50:21,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 13:50:21,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:21,521 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 13:50:21,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:50:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:21,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:21,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:21,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:21,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:21,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 13:50:21,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:21,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:21,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:21,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:21,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:21,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:21,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:21,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:21,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:21,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:21,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:21,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 13:50:21,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:21,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:21,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:21,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:21,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:21,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:21,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:21,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:21,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:21,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:21,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:21,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 13:50:21,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:21,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:21,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:21,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:21,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:21,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 13:50:21,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:21,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:21,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:21,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:21,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:21,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:50:21,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:21,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:21,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:21,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:21,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:21,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:21,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 13:50:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:21,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:21,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:21,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:50:21,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:21,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 13:50:21,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:21,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:21,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:21,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:21,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:21,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:21,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:50:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:21,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:21,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:21,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:21,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:21,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:21,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:21,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:21,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:21,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:21,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:21,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:21,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 13:50:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:21,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:21,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:21,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 13:50:21,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:21,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 13:50:21,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:21,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:21,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:21,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:21,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:21,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:21,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 13:50:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:21,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:21,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:21,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:21,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 13:50:21,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 13:50:21,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-14 13:50:21,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:21,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:21,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:21,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:21,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:21,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:21,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:21,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:21,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:21,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:21,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:21,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 13:50:21,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-14 13:50:21,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:21,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:21,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:21,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:21,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:21,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:21,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 13:50:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:21,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:22,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:22,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-14 13:50:22,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:22,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 13:50:22,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:22,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:22,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:22,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:22,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:22,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:22,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:22,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:22,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:22,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:22,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:22,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 13:50:22,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:22,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:22,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:22,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:22,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:22,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:22,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:22,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:22,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:22,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:22,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:22,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:50:22,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:22,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:22,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:22,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:22,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:22,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:22,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:22,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:22,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:22,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:22,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:22,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:50:22,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:22,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:22,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:22,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:22,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:22,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:22,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 13:50:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:22,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:22,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:22,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:22,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:22,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 13:50:22,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:22,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:22,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:22,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:22,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:22,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:22,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:22,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:22,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:22,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:22,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:22,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:22,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:22,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:22,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:22,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:22,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:22,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:22,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:22,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:22,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:22,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:22,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:22,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:50:22,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:22,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:22,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:22,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:22,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:22,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:22,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-14 13:50:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:22,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:22,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:22,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:22,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:22,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-14 13:50:22,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 13:50:22,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 687 [2020-10-14 13:50:22,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:22,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:22,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 13:50:22,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-14 13:50:22,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 13:50:22,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:22,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:22,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:22,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:22,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:22,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:22,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 13:50:22,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:22,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:22,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:22,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:22,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:22,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:22,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 13:50:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:22,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:22,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:22,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:23,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:23,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-14 13:50:23,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 13:50:23,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 447 [2020-10-14 13:50:23,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:23,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 13:50:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-14 13:50:23,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 13:50:23,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:23,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:23,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:23,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:23,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:23,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:23,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 13:50:23,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 13:50:23,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 432 [2020-10-14 13:50:23,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:23,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:23,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 13:50:23,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:23,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 13:50:23,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:23,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:23,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:23,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:23,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:23,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:23,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 13:50:23,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:23,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:23,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:23,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:23,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:23,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:23,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:23,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:23,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:23,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:23,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:23,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 13:50:23,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:23,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:23,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:23,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:23,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:23,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:23,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:23,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:24,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:24,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:24,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:24,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:24,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:24,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:24,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:24,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:24,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:24,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:24,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 13:50:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:24,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:24,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:24,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 13:50:24,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:24,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 13:50:24,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:24,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:24,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 13:50:24,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:24,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 13:50:24,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:24,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-14 13:50:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:24,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:24,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:24,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:50:24,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:24,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 13:50:24,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:24,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:24,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:24,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 13:50:24,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:24,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:24,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:50:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:24,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:24,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:24,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:24,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:24,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:24,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:24,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:24,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:24,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:24,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:24,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:24,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-14 13:50:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:24,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:24,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:24,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:24,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:24,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 13:50:24,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:24,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:24,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:24,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 13:50:24,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:24,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:24,192 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-10-14 13:50:24,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [384309513] [2020-10-14 13:50:24,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 13:50:24,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-14 13:50:24,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521967552] [2020-10-14 13:50:24,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 13:50:24,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 13:50:24,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 13:50:24,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2020-10-14 13:50:24,195 INFO L87 Difference]: Start difference. First operand 1179 states and 1521 transitions. Second operand 15 states. [2020-10-14 13:50:24,403 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 13:50:25,478 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 13:50:28,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 13:50:28,237 INFO L93 Difference]: Finished difference Result 2510 states and 3312 transitions. [2020-10-14 13:50:28,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 13:50:28,237 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 189 [2020-10-14 13:50:28,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 13:50:28,245 INFO L225 Difference]: With dead ends: 2510 [2020-10-14 13:50:28,246 INFO L226 Difference]: Without dead ends: 1353 [2020-10-14 13:50:28,251 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=103, Invalid=449, Unknown=0, NotChecked=0, Total=552 [2020-10-14 13:50:28,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1353 states. [2020-10-14 13:50:28,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1353 to 1195. [2020-10-14 13:50:28,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1195 states. [2020-10-14 13:50:28,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 1195 states and 1535 transitions. [2020-10-14 13:50:28,384 INFO L78 Accepts]: Start accepts. Automaton has 1195 states and 1535 transitions. Word has length 189 [2020-10-14 13:50:28,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 13:50:28,385 INFO L479 AbstractCegarLoop]: Abstraction has 1195 states and 1535 transitions. [2020-10-14 13:50:28,385 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 13:50:28,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1535 transitions. [2020-10-14 13:50:28,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-14 13:50:28,391 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 13:50:28,391 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 13:50:28,391 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 13:50:28,392 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 13:50:28,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 13:50:28,392 INFO L82 PathProgramCache]: Analyzing trace with hash -685154127, now seen corresponding path program 1 times [2020-10-14 13:50:28,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 13:50:28,392 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [399670902] [2020-10-14 13:50:28,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 13:50:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:28,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:29,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:29,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-10-14 13:50:29,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:29,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1063 [2020-10-14 13:50:29,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:29,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:29,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 13:50:29,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-14 13:50:29,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 13:50:29,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:29,704 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 13:50:29,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:50:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:29,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:29,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:29,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:29,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:29,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 13:50:29,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:29,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:29,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:29,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:29,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:29,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:29,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:29,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:29,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:29,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:29,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:29,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 13:50:29,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:29,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:29,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:29,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:29,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:29,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:29,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:29,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:29,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:29,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:29,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:29,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:50:29,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:29,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:29,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:29,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:29,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:29,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:29,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:29,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:29,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:29,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:29,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:29,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 13:50:29,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:29,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:29,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:29,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:29,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:29,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:29,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 13:50:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:29,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:29,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:29,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:50:29,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:29,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:29,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:29,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:29,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:29,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:29,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:29,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:29,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:50:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:29,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:29,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:29,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:29,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:29,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:29,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:29,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:29,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:29,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:29,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:29,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:29,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 13:50:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:29,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:29,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:29,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 13:50:29,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:29,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 13:50:29,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:29,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:29,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:29,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:29,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:29,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:29,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 13:50:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:29,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:29,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:29,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 13:50:29,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:29,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-14 13:50:29,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:29,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:29,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 13:50:29,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 13:50:29,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 13:50:29,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:29,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:29,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:30,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:30,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:30,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:30,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-14 13:50:30,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:30,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:30,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 13:50:30,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 13:50:30,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 13:50:30,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:30,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 13:50:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:30,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:30,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:30,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-14 13:50:30,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:30,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 13:50:30,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:30,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:30,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:30,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-14 13:50:30,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:30,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:30,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:30,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:30,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:30,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:30,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:30,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 13:50:30,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:30,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:30,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:30,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:30,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:30,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:30,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:30,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:30,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:30,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:30,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:30,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:30,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:30,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:30,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:30,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:30,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:30,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:30,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:30,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:30,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:30,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:30,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:30,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:30,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:30,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:30,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:30,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:30,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:30,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:30,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 13:50:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:30,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:30,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:30,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:30,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:30,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 13:50:30,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:30,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:30,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:30,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:30,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:30,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:30,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:30,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:30,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:30,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:30,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:30,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:30,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:30,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:30,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:30,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:30,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:30,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:30,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:30,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:30,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:30,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:30,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:30,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 13:50:30,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:30,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:30,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:30,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:30,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:30,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:30,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-14 13:50:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:30,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:30,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:30,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 13:50:30,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:30,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-14 13:50:30,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:30,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:30,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:30,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-14 13:50:30,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:30,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:30,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:30,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:30,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:30,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:30,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:30,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 13:50:30,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:30,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:30,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:30,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:30,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:30,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:30,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 13:50:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:30,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:30,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:30,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-14 13:50:30,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:30,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 13:50:30,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:30,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:30,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:30,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:30,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:30,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:30,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:30,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:30,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:30,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 13:50:30,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:30,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 13:50:30,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:30,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:30,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:30,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:30,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:30,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:30,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:30,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:30,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:30,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:30,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:30,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 13:50:30,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:30,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:30,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:30,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:30,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:30,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:30,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:30,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:30,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:30,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:30,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:30,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:50:30,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:30,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:30,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:30,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:30,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:30,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:30,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:30,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:30,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:30,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:30,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:30,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 13:50:30,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:30,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:30,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:30,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:30,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:30,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:30,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 13:50:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:30,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:30,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:30,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 13:50:30,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:30,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 13:50:30,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:30,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:30,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:30,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:30,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:30,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:30,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 13:50:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:30,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:30,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:30,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:30,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:30,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:30,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:30,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:30,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:30,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:30,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:30,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:30,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-14 13:50:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:30,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:30,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:30,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:50:30,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:30,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:50:30,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:30,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:30,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:30,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 13:50:30,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:30,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:30,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:50:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:30,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:30,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:30,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:30,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:30,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 13:50:30,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:30,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:30,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:30,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:30,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:30,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:30,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 13:50:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:30,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:30,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:30,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:30,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:30,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 13:50:30,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:30,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:30,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:30,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 13:50:30,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:30,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:30,791 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-14 13:50:30,792 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [399670902] [2020-10-14 13:50:30,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 13:50:30,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-14 13:50:30,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819089017] [2020-10-14 13:50:30,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-14 13:50:30,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 13:50:30,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-14 13:50:30,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2020-10-14 13:50:30,799 INFO L87 Difference]: Start difference. First operand 1195 states and 1535 transitions. Second operand 16 states. [2020-10-14 13:50:30,988 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 13:50:31,701 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:50:32,051 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:50:32,428 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:50:32,736 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:50:32,991 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 13:50:35,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 13:50:35,146 INFO L93 Difference]: Finished difference Result 2554 states and 3332 transitions. [2020-10-14 13:50:35,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 13:50:35,147 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 195 [2020-10-14 13:50:35,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 13:50:35,153 INFO L225 Difference]: With dead ends: 2554 [2020-10-14 13:50:35,154 INFO L226 Difference]: Without dead ends: 1381 [2020-10-14 13:50:35,158 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=233, Invalid=579, Unknown=0, NotChecked=0, Total=812 [2020-10-14 13:50:35,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1381 states. [2020-10-14 13:50:35,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 1203. [2020-10-14 13:50:35,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1203 states. [2020-10-14 13:50:35,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 1545 transitions. [2020-10-14 13:50:35,333 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 1545 transitions. Word has length 195 [2020-10-14 13:50:35,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 13:50:35,334 INFO L479 AbstractCegarLoop]: Abstraction has 1203 states and 1545 transitions. [2020-10-14 13:50:35,334 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-14 13:50:35,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1545 transitions. [2020-10-14 13:50:35,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-10-14 13:50:35,340 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 13:50:35,340 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 13:50:35,341 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 13:50:35,341 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 13:50:35,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 13:50:35,341 INFO L82 PathProgramCache]: Analyzing trace with hash 6029162, now seen corresponding path program 2 times [2020-10-14 13:50:35,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 13:50:35,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [974004150] [2020-10-14 13:50:35,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 13:50:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:35,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:36,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:36,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-14 13:50:36,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:36,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1064 [2020-10-14 13:50:36,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:36,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:36,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 13:50:36,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-14 13:50:36,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 13:50:36,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:36,665 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 13:50:36,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:50:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:36,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:36,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:36,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:36,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:36,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 13:50:36,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:36,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:36,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:36,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:36,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:36,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:36,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:36,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:36,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:36,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:36,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:36,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 13:50:36,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:36,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:36,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:36,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:36,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:36,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:36,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:36,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:36,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:36,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:36,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:36,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:50:36,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:36,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:36,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:36,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:36,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:36,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:36,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:36,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:36,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:36,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:36,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:36,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:50:36,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:36,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:36,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:36,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:36,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:36,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:36,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 13:50:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:36,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:36,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:36,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:50:36,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:36,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:36,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:36,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:36,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:36,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:36,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:36,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:36,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:50:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:36,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:36,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:36,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:36,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:36,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:50:36,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:36,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:36,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:36,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:36,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:36,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:36,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 13:50:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:36,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:36,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:36,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 13:50:36,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:36,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 13:50:36,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:36,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:36,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:36,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:36,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:36,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:36,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 13:50:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:36,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:36,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:36,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 13:50:36,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:36,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-14 13:50:36,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:36,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:36,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 13:50:36,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 13:50:36,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 13:50:36,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:37,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:37,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:37,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:37,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:37,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 13:50:37,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:37,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 13:50:37,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:37,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:37,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 13:50:37,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 13:50:37,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 13:50:37,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 13:50:37,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 13:50:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:37,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:37,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:37,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-14 13:50:37,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:37,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 13:50:37,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:37,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:37,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:37,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-14 13:50:37,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:37,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:37,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:37,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:37,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:37,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:37,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:37,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 13:50:37,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:37,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:37,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:37,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:37,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:37,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:37,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:37,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:37,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:37,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:37,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:37,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:37,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:37,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:37,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:37,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:37,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:37,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:37,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:37,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:37,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:37,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:37,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:37,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 13:50:37,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:37,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:37,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:37,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:37,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:37,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:37,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 13:50:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:37,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:37,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:37,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:37,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:37,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 13:50:37,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:37,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:37,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:37,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:37,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:37,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:37,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:37,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:37,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:37,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:37,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:37,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 13:50:37,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:37,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:37,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:37,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:37,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:37,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:37,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:37,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:37,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:37,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:37,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:37,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:37,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:50:37,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:37,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:37,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:37,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:37,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:37,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:37,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 13:50:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:37,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:37,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:37,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 13:50:37,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:37,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 13:50:37,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:37,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:37,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:37,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-14 13:50:37,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:37,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:37,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:37,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:37,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:37,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:37,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:37,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:50:37,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:37,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:37,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:37,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:37,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:37,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:37,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 13:50:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:37,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:37,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:37,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-14 13:50:37,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:37,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 13:50:37,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:37,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:37,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:37,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:37,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:37,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:37,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:37,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:37,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:37,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 13:50:37,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:37,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 13:50:37,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:37,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:37,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:37,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:37,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:37,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:37,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:37,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:37,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:37,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:37,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:37,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 13:50:37,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:37,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:37,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:37,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:37,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:37,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:37,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:37,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:37,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:37,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:37,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:37,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 13:50:37,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:37,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:37,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:37,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:37,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:37,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:37,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:37,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:37,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:37,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:37,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:37,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 13:50:37,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:37,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:37,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:37,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:37,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:37,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:37,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 13:50:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:37,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:37,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:37,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 13:50:37,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:37,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 13:50:37,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:37,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:37,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:37,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:37,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:37,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:37,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 13:50:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:37,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:37,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:37,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:37,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:37,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:37,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:37,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:37,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:37,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:37,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:37,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:37,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-14 13:50:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:37,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:37,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:37,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:50:37,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:37,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:37,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:37,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:37,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:37,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 13:50:37,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:37,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:37,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:50:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:37,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:37,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:37,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:37,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:37,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 13:50:37,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:37,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:37,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:37,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:37,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:37,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:37,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-14 13:50:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:37,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:37,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:37,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:37,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:37,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:37,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:37,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:37,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:37,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 13:50:37,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:37,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:37,729 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-14 13:50:37,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [974004150] [2020-10-14 13:50:37,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 13:50:37,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-14 13:50:37,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013138041] [2020-10-14 13:50:37,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-14 13:50:37,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 13:50:37,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-14 13:50:37,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2020-10-14 13:50:37,733 INFO L87 Difference]: Start difference. First operand 1203 states and 1545 transitions. Second operand 17 states. [2020-10-14 13:50:37,912 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 13:50:38,592 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:50:38,949 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:50:39,321 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:50:39,636 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:50:39,908 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:50:40,157 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 13:50:42,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 13:50:42,303 INFO L93 Difference]: Finished difference Result 2578 states and 3362 transitions. [2020-10-14 13:50:42,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 13:50:42,306 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 199 [2020-10-14 13:50:42,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 13:50:42,313 INFO L225 Difference]: With dead ends: 2578 [2020-10-14 13:50:42,313 INFO L226 Difference]: Without dead ends: 1397 [2020-10-14 13:50:42,318 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=284, Invalid=708, Unknown=0, NotChecked=0, Total=992 [2020-10-14 13:50:42,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1397 states. [2020-10-14 13:50:42,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1397 to 1211. [2020-10-14 13:50:42,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1211 states. [2020-10-14 13:50:42,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1555 transitions. [2020-10-14 13:50:42,467 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1555 transitions. Word has length 199 [2020-10-14 13:50:42,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 13:50:42,468 INFO L479 AbstractCegarLoop]: Abstraction has 1211 states and 1555 transitions. [2020-10-14 13:50:42,468 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-14 13:50:42,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1555 transitions. [2020-10-14 13:50:42,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-14 13:50:42,478 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 13:50:42,478 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 13:50:42,479 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 13:50:42,479 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 13:50:42,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 13:50:42,479 INFO L82 PathProgramCache]: Analyzing trace with hash -46229085, now seen corresponding path program 3 times [2020-10-14 13:50:42,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 13:50:42,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [235725045] [2020-10-14 13:50:42,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 13:50:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:42,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:43,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:43,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-14 13:50:43,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:43,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1353 [2020-10-14 13:50:43,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:43,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:43,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 13:50:43,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-14 13:50:43,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 13:50:43,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:44,066 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 13:50:44,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:50:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:44,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:44,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:44,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:44,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:44,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 13:50:44,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:44,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:44,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:44,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:44,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:44,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:44,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:44,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:44,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:44,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:44,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:44,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 13:50:44,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:44,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:44,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:44,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:44,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:44,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:44,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:44,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:44,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:44,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:44,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:44,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:44,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:44,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:44,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:44,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:44,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:44,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:44,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:44,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:44,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:44,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:44,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:44,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 13:50:44,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:44,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:44,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:44,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:44,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:44,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:44,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 13:50:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:44,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:44,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:44,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:50:44,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:44,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:44,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:44,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:44,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:44,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:44,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:44,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:44,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:50:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:44,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:44,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:44,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:44,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:44,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:44,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:44,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:44,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:44,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:44,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:44,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:44,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 13:50:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:44,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:44,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:44,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 13:50:44,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:44,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 13:50:44,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:44,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:44,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:44,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:44,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:44,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:44,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 13:50:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:44,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:44,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:44,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-14 13:50:44,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:44,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-14 13:50:44,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:44,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:44,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 13:50:44,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 13:50:44,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 13:50:44,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:44,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:44,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:44,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:44,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 13:50:44,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:44,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-14 13:50:44,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:44,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:44,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 13:50:44,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 13:50:44,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 13:50:44,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:44,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 13:50:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:44,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:44,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:44,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-14 13:50:44,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:44,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 13:50:44,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:44,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:44,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:44,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-14 13:50:44,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:44,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:44,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:44,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:44,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:44,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:44,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:44,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 13:50:44,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:44,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:44,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:44,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:44,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:44,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:44,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:44,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:44,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:44,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:44,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:44,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:44,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:44,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:44,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:44,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:44,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:44,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:44,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:44,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:44,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:44,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:44,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:44,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:44,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:44,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:44,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:44,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:44,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:44,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:44,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 13:50:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:44,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:44,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:44,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:44,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:44,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 13:50:44,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:44,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:44,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:44,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:44,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:44,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:44,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:44,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:44,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:44,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:50:44,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:44,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:44,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:44,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:44,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:44,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:44,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:44,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:44,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:44,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:44,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:44,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:44,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:44,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:44,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:44,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:44,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:44,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:44,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-14 13:50:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:44,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:44,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:44,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 13:50:44,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:44,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 13:50:44,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:44,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:44,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:44,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-14 13:50:44,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:44,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:44,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:44,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:44,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:44,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:44,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:44,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 13:50:44,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:44,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:44,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:44,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:44,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:44,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:44,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 13:50:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:44,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:44,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:44,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-14 13:50:44,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:44,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 13:50:44,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:44,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:44,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:44,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:44,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:44,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:44,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:44,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:44,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:44,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 13:50:44,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:44,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 13:50:44,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:44,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:44,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:44,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:44,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:44,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:44,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:44,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:44,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:44,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:44,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:44,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 13:50:44,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:44,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:44,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:44,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:44,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:44,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:44,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:44,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:44,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:44,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:44,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:44,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:44,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:44,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:44,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:44,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:44,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:44,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:44,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:44,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:44,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:44,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:44,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:44,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 13:50:44,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:44,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:44,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:44,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:44,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:44,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:45,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 13:50:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:45,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:45,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:45,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 13:50:45,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:45,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 13:50:45,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:45,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:45,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:45,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:45,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:45,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:45,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 13:50:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:45,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:45,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:45,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:45,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:45,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:45,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:45,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:45,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:45,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:45,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:45,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:45,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-14 13:50:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:45,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:45,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:45,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:50:45,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:45,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:45,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:45,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:45,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:45,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 13:50:45,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:45,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:45,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:50:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:45,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:45,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:45,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:45,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:45,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 13:50:45,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:45,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:45,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:45,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:45,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:45,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:45,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-14 13:50:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:45,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:45,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:45,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:45,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:45,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:45,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:45,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:45,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:45,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 13:50:45,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:45,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:45,127 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 7 proven. 45 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-14 13:50:45,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [235725045] [2020-10-14 13:50:45,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 13:50:45,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-14 13:50:45,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316704536] [2020-10-14 13:50:45,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-14 13:50:45,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 13:50:45,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-14 13:50:45,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2020-10-14 13:50:45,130 INFO L87 Difference]: Start difference. First operand 1211 states and 1555 transitions. Second operand 18 states. [2020-10-14 13:50:45,318 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 13:50:46,273 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:50:46,650 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:50:47,032 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:50:47,336 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:50:47,740 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:50:48,123 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:50:48,504 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 13:50:52,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 13:50:52,992 INFO L93 Difference]: Finished difference Result 2602 states and 3392 transitions. [2020-10-14 13:50:52,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-14 13:50:52,994 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 203 [2020-10-14 13:50:52,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 13:50:53,007 INFO L225 Difference]: With dead ends: 2602 [2020-10-14 13:50:53,008 INFO L226 Difference]: Without dead ends: 1413 [2020-10-14 13:50:53,014 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=341, Invalid=849, Unknown=0, NotChecked=0, Total=1190 [2020-10-14 13:50:53,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1413 states. [2020-10-14 13:50:53,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1413 to 1219. [2020-10-14 13:50:53,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1219 states. [2020-10-14 13:50:53,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1565 transitions. [2020-10-14 13:50:53,379 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1565 transitions. Word has length 203 [2020-10-14 13:50:53,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 13:50:53,379 INFO L479 AbstractCegarLoop]: Abstraction has 1219 states and 1565 transitions. [2020-10-14 13:50:53,380 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-14 13:50:53,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1565 transitions. [2020-10-14 13:50:53,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-14 13:50:53,390 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 13:50:53,391 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 13:50:53,391 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 13:50:53,391 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 13:50:53,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 13:50:53,392 INFO L82 PathProgramCache]: Analyzing trace with hash 912748380, now seen corresponding path program 4 times [2020-10-14 13:50:53,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 13:50:53,392 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2081548907] [2020-10-14 13:50:53,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 13:50:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:53,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:55,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:55,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-10-14 13:50:55,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:55,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1619 [2020-10-14 13:50:55,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:55,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:55,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 13:50:55,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-14 13:50:55,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 13:50:55,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:55,260 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 13:50:55,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:50:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:55,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:55,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:55,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:55,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:55,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 13:50:55,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:55,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:55,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:55,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:55,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:55,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:55,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:55,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:55,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:55,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:55,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:55,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 13:50:55,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:55,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:55,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:55,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:55,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:55,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:55,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:55,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:55,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:55,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:55,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:55,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:55,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:55,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:55,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:55,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:55,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:55,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:55,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:55,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:55,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:55,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:55,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:55,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:55,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:55,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:55,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:55,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:55,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:55,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:55,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 13:50:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:55,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:55,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:55,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:50:55,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:55,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:55,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:55,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:55,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:55,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:55,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:55,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:55,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:50:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:55,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:55,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:55,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:55,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:55,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 13:50:55,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:55,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:55,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:55,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:55,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:55,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:55,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 13:50:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:55,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:55,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:55,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 13:50:55,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:55,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 13:50:55,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:55,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:55,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:55,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:55,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:55,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:55,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 13:50:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:55,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:55,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:55,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-14 13:50:55,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:55,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-14 13:50:55,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:55,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:55,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 13:50:55,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 13:50:55,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 13:50:55,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:55,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:55,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:55,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:55,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 13:50:55,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:55,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-14 13:50:55,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:55,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:55,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 13:50:55,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 13:50:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 13:50:55,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:55,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 13:50:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:55,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:55,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:55,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-14 13:50:55,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:55,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 13:50:55,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:55,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:55,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:55,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-14 13:50:55,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:55,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:55,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:55,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:55,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:55,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:55,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:55,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 13:50:55,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:55,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:55,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:55,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:55,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:55,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:55,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:55,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:55,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:55,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:55,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:55,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:55,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:55,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:55,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:55,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:55,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:55,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:55,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:55,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:55,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:55,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:55,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:55,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:55,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 13:50:55,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:55,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:55,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:55,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:55,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:55,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:55,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 13:50:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:55,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:55,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:55,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:55,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:55,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 13:50:55,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:55,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:55,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:55,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:55,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:55,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:55,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:55,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:55,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:55,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:55,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:55,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 13:50:55,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:55,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:55,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:56,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:56,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:56,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:56,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:56,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:56,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:56,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:56,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:56,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 13:50:56,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:56,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:56,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:56,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:56,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:56,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-14 13:50:56,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-14 13:50:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:56,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:56,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:56,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 13:50:56,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:56,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 13:50:56,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:56,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:56,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:56,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-14 13:50:56,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:56,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:56,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:56,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:56,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:56,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:56,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:56,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 13:50:56,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:56,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:56,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:56,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:56,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:56,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:56,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 13:50:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:56,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:56,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:56,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-14 13:50:56,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:56,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 13:50:56,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:56,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:56,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:56,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:56,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:56,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:56,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:56,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:56,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:56,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 13:50:56,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:56,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 13:50:56,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:56,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:56,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:56,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:56,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:56,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:56,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:56,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:56,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:56,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:50:56,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:56,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 13:50:56,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:56,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:56,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:56,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:56,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:56,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:56,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:50:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:56,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:56,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:56,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:56,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:56,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:56,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:56,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:56,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:56,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:56,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:56,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:56,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:50:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:56,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:56,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:56,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:56,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:56,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 13:50:56,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:56,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:56,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:56,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:56,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:56,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:56,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 13:50:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:56,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:56,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:56,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 13:50:56,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:56,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 13:50:56,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:56,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:56,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:56,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:56,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:56,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:56,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 13:50:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:56,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:56,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:56,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:50:56,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:56,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:56,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:56,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:56,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:56,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:56,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:56,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:56,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-14 13:50:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:56,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:56,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:56,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:50:56,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:56,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:56,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:56,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:56,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:56,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 13:50:56,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:56,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:56,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:50:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:56,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:56,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:56,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:56,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:56,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:50:56,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:56,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:56,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:56,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:50:56,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:56,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:50:56,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-14 13:50:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:50:56,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:50:56,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:50:56,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:50:56,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:50:56,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:50:56,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:50:56,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:50:56,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:50:56,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 13:50:56,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:50:56,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:50:56,487 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 7 proven. 66 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-14 13:50:56,487 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2081548907] [2020-10-14 13:50:56,488 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 13:50:56,488 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-14 13:50:56,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059587169] [2020-10-14 13:50:56,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-14 13:50:56,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 13:50:56,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-14 13:50:56,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2020-10-14 13:50:56,489 INFO L87 Difference]: Start difference. First operand 1219 states and 1565 transitions. Second operand 19 states. [2020-10-14 13:50:56,686 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 13:50:57,592 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:50:57,939 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:50:58,337 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:50:58,647 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:50:58,916 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:50:59,171 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:50:59,429 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:50:59,688 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 13:51:02,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 13:51:02,966 INFO L93 Difference]: Finished difference Result 2626 states and 3422 transitions. [2020-10-14 13:51:02,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-14 13:51:02,968 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 207 [2020-10-14 13:51:02,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 13:51:02,975 INFO L225 Difference]: With dead ends: 2626 [2020-10-14 13:51:02,975 INFO L226 Difference]: Without dead ends: 1429 [2020-10-14 13:51:02,979 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=404, Invalid=1002, Unknown=0, NotChecked=0, Total=1406 [2020-10-14 13:51:02,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1429 states. [2020-10-14 13:51:03,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1429 to 1227. [2020-10-14 13:51:03,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1227 states. [2020-10-14 13:51:03,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1575 transitions. [2020-10-14 13:51:03,125 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1575 transitions. Word has length 207 [2020-10-14 13:51:03,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 13:51:03,126 INFO L479 AbstractCegarLoop]: Abstraction has 1227 states and 1575 transitions. [2020-10-14 13:51:03,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-14 13:51:03,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1575 transitions. [2020-10-14 13:51:03,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-14 13:51:03,134 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 13:51:03,134 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 13:51:03,134 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 13:51:03,135 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 13:51:03,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 13:51:03,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1598865557, now seen corresponding path program 5 times [2020-10-14 13:51:03,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 13:51:03,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [948903051] [2020-10-14 13:51:03,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 13:51:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:03,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:05,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:05,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-10-14 13:51:05,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:05,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1853 [2020-10-14 13:51:05,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:05,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:05,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 13:51:05,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-14 13:51:05,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-14 13:51:05,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:05,214 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 13:51:05,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:51:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:05,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:05,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:05,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:51:05,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:05,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 13:51:05,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:05,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:05,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:05,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:05,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:05,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:05,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:51:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:05,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:05,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:05,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:51:05,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:05,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 13:51:05,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:05,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:05,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:05,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:05,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:05,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:05,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:51:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:05,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:05,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:05,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:51:05,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:05,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:51:05,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:05,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:05,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:05,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:05,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:05,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:05,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:51:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:05,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:05,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:05,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:51:05,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:05,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:51:05,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:05,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:05,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:05,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:05,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:05,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:05,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 13:51:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:05,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:05,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:05,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:51:05,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:05,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:51:05,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:05,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:05,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:05,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:05,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:05,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:05,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:51:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:05,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:05,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:05,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:51:05,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:05,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:51:05,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:05,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:05,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:05,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:05,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:05,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:05,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 13:51:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:05,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:05,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:05,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 13:51:05,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:05,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 13:51:05,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:05,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:05,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:05,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:05,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:05,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:51:05,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 13:51:05,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:05,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:05,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:05,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 13:51:05,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:05,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-14 13:51:05,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:05,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:05,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 13:51:05,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 13:51:05,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-14 13:51:05,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:05,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:51:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:05,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:05,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:05,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 13:51:05,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:05,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-14 13:51:05,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:05,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:05,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 13:51:05,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 13:51:05,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-14 13:51:05,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:05,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 13:51:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:05,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:05,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:05,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-14 13:51:05,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:05,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 13:51:05,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:05,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:05,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:05,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-14 13:51:05,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:05,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:05,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:51:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:05,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:05,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:05,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:51:05,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:05,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 13:51:05,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:05,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:05,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:05,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:05,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:05,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:51:05,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:51:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:05,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:05,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:05,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:51:05,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:05,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:51:05,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:05,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:05,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:05,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:05,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:05,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:05,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:51:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:05,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:05,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:05,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:51:05,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:05,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 13:51:05,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:05,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:05,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:05,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:05,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:05,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:05,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 13:51:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:05,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:05,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:05,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:51:05,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:05,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 13:51:05,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:05,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:05,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:05,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:05,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:05,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:05,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:51:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:05,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:05,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:05,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:51:05,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:05,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:51:05,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:05,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:05,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:05,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:05,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:05,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:51:05,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:51:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:05,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:05,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:05,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:51:05,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:05,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 13:51:05,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:05,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:05,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:05,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:05,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:05,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:05,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-14 13:51:05,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:05,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:06,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:06,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 13:51:06,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:06,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 13:51:06,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:06,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:06,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:06,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-14 13:51:06,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:06,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:06,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:51:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:06,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:06,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:06,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:51:06,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:06,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 13:51:06,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:06,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:06,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:06,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:06,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:06,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:06,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 13:51:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:06,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:06,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:06,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-14 13:51:06,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:06,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 13:51:06,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:06,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:06,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:06,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:06,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:06,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:06,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:51:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:06,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:06,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:06,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 13:51:06,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:06,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 13:51:06,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:06,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:06,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:06,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:06,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:06,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:06,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:51:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:06,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:06,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:06,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 13:51:06,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:06,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 13:51:06,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:06,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:06,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:06,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:06,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:06,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:06,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:51:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:06,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:06,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:06,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:51:06,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:06,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 13:51:06,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:06,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:06,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:06,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:06,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:06,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:51:06,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:51:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:06,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:06,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:06,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:51:06,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:06,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 13:51:06,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:06,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:06,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:06,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:06,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:06,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:06,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 13:51:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:06,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:06,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:06,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 13:51:06,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:06,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:51:06,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:06,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:06,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:06,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:06,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:06,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:06,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 13:51:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:06,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:06,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:06,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:51:06,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:06,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 13:51:06,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:06,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:06,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:06,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:06,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:06,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:06,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-14 13:51:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:06,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:06,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:06,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:51:06,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:06,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 13:51:06,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:06,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:06,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:06,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 13:51:06,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:06,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:06,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:51:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:06,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:06,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:06,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:51:06,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:06,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 13:51:06,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:06,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:06,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:06,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:51:06,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:06,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:06,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-14 13:51:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:51:06,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:51:06,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:51:06,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:51:06,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:51:06,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 13:51:06,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:51:06,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:51:06,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:51:06,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 13:51:06,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:51:06,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:51:06,247 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 7 proven. 91 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-14 13:51:06,247 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [948903051] [2020-10-14 13:51:06,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 13:51:06,248 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-14 13:51:06,248 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28703684] [2020-10-14 13:51:06,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-14 13:51:06,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 13:51:06,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-14 13:51:06,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2020-10-14 13:51:06,249 INFO L87 Difference]: Start difference. First operand 1227 states and 1575 transitions. Second operand 20 states. [2020-10-14 13:51:06,457 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 13:51:07,361 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:51:07,725 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:51:08,113 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:51:08,432 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:51:08,712 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:51:08,987 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:51:09,318 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:51:09,602 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 13:51:09,857 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 13:51:12,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 13:51:12,946 INFO L93 Difference]: Finished difference Result 2638 states and 3436 transitions. [2020-10-14 13:51:12,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-14 13:51:12,947 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 211 [2020-10-14 13:51:12,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 13:51:12,954 INFO L225 Difference]: With dead ends: 2638 [2020-10-14 13:51:12,955 INFO L226 Difference]: Without dead ends: 1433 [2020-10-14 13:51:12,959 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=473, Invalid=1167, Unknown=0, NotChecked=0, Total=1640 [2020-10-14 13:51:12,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1433 states. [2020-10-14 13:51:13,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1433 to 1235. [2020-10-14 13:51:13,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1235 states. [2020-10-14 13:51:13,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 1585 transitions. [2020-10-14 13:51:13,120 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 1585 transitions. Word has length 211 [2020-10-14 13:51:13,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 13:51:13,123 INFO L479 AbstractCegarLoop]: Abstraction has 1235 states and 1585 transitions. [2020-10-14 13:51:13,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-14 13:51:13,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1585 transitions. [2020-10-14 13:51:13,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-10-14 13:51:13,129 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 13:51:13,129 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 13:51:13,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 13:51:13,130 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 13:51:13,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 13:51:13,131 INFO L82 PathProgramCache]: Analyzing trace with hash 105172302, now seen corresponding path program 6 times [2020-10-14 13:51:13,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 13:51:13,134 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1458935584] [2020-10-14 13:51:13,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 13:51:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 13:51:13,258 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 13:51:13,258 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 13:51:13,264 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 13:51:13,279 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2020-10-14 13:51:13,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 01:51:13 BoogieIcfgContainer [2020-10-14 13:51:13,330 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 13:51:13,332 INFO L168 Benchmark]: Toolchain (without parser) took 127550.62 ms. Allocated memory was 146.3 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 94.1 MB in the beginning and 368.4 MB in the end (delta: -274.3 MB). Peak memory consumption was 886.5 MB. Max. memory is 7.1 GB. [2020-10-14 13:51:13,332 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-14 13:51:13,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1728.92 ms. Allocated memory was 146.3 MB in the beginning and 208.7 MB in the end (delta: 62.4 MB). Free memory was 94.1 MB in the beginning and 104.7 MB in the end (delta: -10.6 MB). Peak memory consumption was 61.4 MB. Max. memory is 7.1 GB. [2020-10-14 13:51:13,333 INFO L168 Benchmark]: Boogie Preprocessor took 178.56 ms. Allocated memory is still 208.7 MB. Free memory was 104.7 MB in the beginning and 98.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. [2020-10-14 13:51:13,336 INFO L168 Benchmark]: RCFGBuilder took 1792.24 ms. Allocated memory was 208.7 MB in the beginning and 262.1 MB in the end (delta: 53.5 MB). Free memory was 98.2 MB in the beginning and 210.7 MB in the end (delta: -112.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 7.1 GB. [2020-10-14 13:51:13,336 INFO L168 Benchmark]: TraceAbstraction took 123845.30 ms. Allocated memory was 262.1 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 210.7 MB in the beginning and 368.4 MB in the end (delta: -157.7 MB). Peak memory consumption was 887.2 MB. Max. memory is 7.1 GB. [2020-10-14 13:51:13,342 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1728.92 ms. Allocated memory was 146.3 MB in the beginning and 208.7 MB in the end (delta: 62.4 MB). Free memory was 94.1 MB in the beginning and 104.7 MB in the end (delta: -10.6 MB). Peak memory consumption was 61.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 178.56 ms. Allocated memory is still 208.7 MB. Free memory was 104.7 MB in the beginning and 98.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1792.24 ms. Allocated memory was 208.7 MB in the beginning and 262.1 MB in the end (delta: 53.5 MB). Free memory was 98.2 MB in the beginning and 210.7 MB in the end (delta: -112.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 123845.30 ms. Allocated memory was 262.1 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 210.7 MB in the beginning and 368.4 MB in the end (delta: -157.7 MB). Peak memory consumption was 887.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 5343]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseAnd at line 5420. Possible FailurePath: [L5366] int LDV_IN_INTERRUPT = 1; [L5367] int ref_cnt ; [L5368] int ldv_state_variable_1 ; [L5369] struct archdr *capmode_proto_group0 ; [L5370] int ldv_state_variable_0 ; [L5371] struct net_device *capmode_proto_group1 ; [L5575-L5577] static struct ArcProto capmode_proto = {114, 508, 0, & rx, & build_header, & prepare_tx, (int (*)(struct net_device * , int ))0, & ack_tx}; [L5619] int ldv_retval_0 ; [L5834] Element set_impl[15] ; [L5835] int last_index = 0; [L5969] Set LDV_SKBS ; [L5636] int ldvarg7 ; [L5637] int tmp ; [L5638] struct sk_buff *ldvarg3 ; [L5639] void *tmp___0 ; [L5640] int ldvarg0 ; [L5641] int tmp___1 ; [L5642] int ldvarg5 ; [L5643] int tmp___2 ; [L5644] int ldvarg6 ; [L5645] int tmp___3 ; [L5646] int ldvarg1 ; [L5647] int tmp___4 ; [L5648] unsigned short ldvarg4 ; [L5649] unsigned short tmp___5 ; [L5650] uint8_t ldvarg2 ; [L5651] int tmp___6 ; [L5652] int tmp___7 ; [L5653] int tmp___8 ; [L5655] tmp = __VERIFIER_nondet_int() [L5656] ldvarg7 = tmp [L5657] CALL, EXPR ldv_successful_zalloc(232UL) [L5285] EXPR, FCALL calloc(1UL, __size) [L5285] void *p = calloc(1UL, __size); [L5286] CALL assume_abort_if_not(p != (void *)0) [L5282] COND FALSE !(!cond) [L5286] RET assume_abort_if_not(p != (void *)0) [L5287] return p; [L5657] RET, EXPR ldv_successful_zalloc(232UL) [L5657] tmp___0 = ldv_successful_zalloc(232UL) [L5658] ldvarg3 = (struct sk_buff *)tmp___0 [L5659] tmp___1 = __VERIFIER_nondet_int() [L5660] ldvarg0 = tmp___1 [L5661] tmp___2 = __VERIFIER_nondet_int() [L5662] ldvarg5 = tmp___2 [L5663] tmp___3 = __VERIFIER_nondet_int() [L5664] ldvarg6 = tmp___3 [L5665] tmp___4 = __VERIFIER_nondet_int() [L5666] ldvarg1 = tmp___4 [L5667] tmp___5 = __VERIFIER_nondet_ushort() [L5668] ldvarg4 = tmp___5 [L5669] CALL ldv_initialize() [L5988] CALL ldv_set_init(LDV_SKBS) [L5840] set = set_impl [L5841] last_index = 0 [L5988] RET ldv_set_init(LDV_SKBS) [L5669] RET ldv_initialize() [L5670] FCALL memset((void *)(& ldvarg2), 0, 1UL) [L5671] ldv_state_variable_1 = 0 [L5672] ref_cnt = 0 [L5673] ldv_state_variable_0 = 1 [L5675] tmp___6 = __VERIFIER_nondet_int() [L5677] case 0: [L5716] case 1: [L5717] COND TRUE ldv_state_variable_0 != 0 [L5718] tmp___8 = __VERIFIER_nondet_int() [L5720] case 0: [L5728] case 1: [L5729] COND TRUE ldv_state_variable_0 == 1 [L5730] CALL, EXPR capmode_module_init() [L5608] CALL arcnet_cap_init() [L5580] int count ; [L5582] count = 1 [L5591] COND TRUE count <= 8 [L5585] EXPR arc_proto_map[count] [L5585] COND TRUE (unsigned long )arc_proto_map[count] == (unsigned long )arc_proto_default [L5586] arc_proto_map[count] = & capmode_proto [L5589] count = count + 1 [L5591] COND TRUE count <= 8 [L5585] EXPR arc_proto_map[count] [L5585] COND TRUE (unsigned long )arc_proto_map[count] == (unsigned long )arc_proto_default [L5586] arc_proto_map[count] = & capmode_proto [L5589] count = count + 1 [L5591] COND TRUE count <= 8 [L5585] EXPR arc_proto_map[count] [L5585] COND TRUE (unsigned long )arc_proto_map[count] == (unsigned long )arc_proto_default [L5586] arc_proto_map[count] = & capmode_proto [L5589] count = count + 1 [L5591] COND TRUE count <= 8 [L5585] EXPR arc_proto_map[count] [L5585] COND TRUE (unsigned long )arc_proto_map[count] == (unsigned long )arc_proto_default [L5586] arc_proto_map[count] = & capmode_proto [L5589] count = count + 1 [L5591] COND TRUE count <= 8 [L5585] EXPR arc_proto_map[count] [L5585] COND TRUE (unsigned long )arc_proto_map[count] == (unsigned long )arc_proto_default [L5586] arc_proto_map[count] = & capmode_proto [L5589] count = count + 1 [L5591] COND TRUE count <= 8 [L5585] EXPR arc_proto_map[count] [L5585] COND TRUE (unsigned long )arc_proto_map[count] == (unsigned long )arc_proto_default [L5586] arc_proto_map[count] = & capmode_proto [L5589] count = count + 1 [L5591] COND TRUE count <= 8 [L5585] EXPR arc_proto_map[count] [L5585] COND TRUE (unsigned long )arc_proto_map[count] == (unsigned long )arc_proto_default [L5586] arc_proto_map[count] = & capmode_proto [L5589] count = count + 1 [L5591] COND TRUE count <= 8 [L5585] EXPR arc_proto_map[count] [L5585] COND TRUE (unsigned long )arc_proto_map[count] == (unsigned long )arc_proto_default [L5586] arc_proto_map[count] = & capmode_proto [L5589] count = count + 1 [L5591] COND FALSE !(count <= 8) [L5595] COND TRUE (unsigned long )arc_bcast_proto == (unsigned long )arc_proto_default [L5596] arc_bcast_proto = & capmode_proto [L5599] arc_proto_default = & capmode_proto [L5600] arc_raw_proto = & capmode_proto [L5608] RET arcnet_cap_init() [L5609] return (0); [L5730] RET, EXPR capmode_module_init() [L5730] ldv_retval_0 = capmode_module_init() [L5731] COND TRUE ldv_retval_0 == 0 [L5732] ldv_state_variable_0 = 3 [L5733] ldv_state_variable_1 = 1 [L5734] CALL ldv_initialize_ArcProto_1() [L5624] void *tmp ; [L5625] void *tmp___0 ; [L5627] CALL, EXPR ldv_successful_zalloc(20UL) [L5285] EXPR, FCALL calloc(1UL, __size) [L5285] void *p = calloc(1UL, __size); [L5286] CALL assume_abort_if_not(p != (void *)0) [L5282] COND FALSE !(!cond) [L5286] RET assume_abort_if_not(p != (void *)0) [L5287] return p; [L5627] RET, EXPR ldv_successful_zalloc(20UL) [L5627] tmp = ldv_successful_zalloc(20UL) [L5628] capmode_proto_group0 = (struct archdr *)tmp [L5629] CALL, EXPR ldv_successful_zalloc(3264UL) [L5285] EXPR, FCALL calloc(1UL, __size) [L5285] void *p = calloc(1UL, __size); [L5286] CALL assume_abort_if_not(p != (void *)0) [L5282] COND FALSE !(!cond) [L5286] RET assume_abort_if_not(p != (void *)0) [L5287] return p; [L5629] RET, EXPR ldv_successful_zalloc(3264UL) [L5629] tmp___0 = ldv_successful_zalloc(3264UL) [L5630] capmode_proto_group1 = (struct net_device *)tmp___0 [L5734] RET ldv_initialize_ArcProto_1() [L5737] COND FALSE !(ldv_retval_0 != 0) [L5675] tmp___6 = __VERIFIER_nondet_int() [L5677] case 0: [L5678] COND TRUE ldv_state_variable_1 != 0 [L5679] tmp___7 = __VERIFIER_nondet_int() [L5681] case 0: [L5688] case 1: [L5695] case 2: [L5702] case 3: [L5703] COND TRUE ldv_state_variable_1 == 1 [L5704] CALL rx(capmode_proto_group1, ldvarg1, capmode_proto_group0, ldvarg0) [L5397] struct arcnet_local *lp ; [L5398] void *tmp ; [L5399] struct sk_buff *skb ; [L5400] struct archdr *pkt ; [L5401] char *pktbuf ; [L5402] char *pkthdrbuf ; [L5403] int ofs ; [L5404] unsigned char *tmp___0 ; [L5405] size_t __len ; [L5406] void *__ret ; [L5407] size_t __len___0 ; [L5408] void *__ret___0 ; [L5410] CALL, EXPR netdev_priv((struct net_device const *)dev) [L5376] return ((void *)dev + 3264U); [L5410] RET, EXPR netdev_priv((struct net_device const *)dev) [L5410] tmp = netdev_priv((struct net_device const *)dev) [L5411] lp = (struct arcnet_local *)tmp [L5412] pkt = pkthdr [L5413] COND TRUE length > 256 [L5414] ofs = 512 - length [L5418] CALL, EXPR ldv_alloc_skb_14((unsigned int )length + 8U, 32U) [L5806] struct sk_buff *tmp ; [L5808] CALL, EXPR ldv_skb_alloc() [L5972] void *skb ; [L5973] void *tmp___7 ; [L5975] CALL, EXPR ldv_successful_zalloc(sizeof(struct sk_buff___0 )) [L5285] EXPR, FCALL calloc(1UL, __size) [L5285] void *p = calloc(1UL, __size); [L5286] CALL assume_abort_if_not(p != (void *)0) [L5282] COND FALSE !(!cond) [L5286] RET assume_abort_if_not(p != (void *)0) [L5287] return p; [L5975] RET, EXPR ldv_successful_zalloc(sizeof(struct sk_buff___0 )) [L5975] tmp___7 = ldv_successful_zalloc(sizeof(struct sk_buff___0 )) [L5976] skb = (struct sk_buff___0 *)tmp___7 [L5977] COND FALSE !(! skb) [L5980] CALL ldv_set_add(LDV_SKBS, skb) [L5848] int i ; [L5850] i = 0 [L5851] COND TRUE 1 [L5852] COND FALSE !(i < last_index) [L5862] COND TRUE last_index < 15 [L5863] set_impl[last_index] = e [L5864] last_index = last_index + 1 [L5980] RET ldv_set_add(LDV_SKBS, skb) [L5981] return (skb); [L5808] RET, EXPR ldv_skb_alloc() [L5808] tmp = ldv_skb_alloc() [L5809] COND TRUE \read(*tmp) [L5811] CALL, EXPR ldv_malloc(size) [L5291] void *p ; [L5292] void *tmp ; [L5293] int tmp___0 ; [L5295] tmp___0 = __VERIFIER_nondet_int() [L5296] COND TRUE tmp___0 != 0 [L5297] return ((void *)0); [L5811] RET, EXPR ldv_malloc(size) [L5811] tmp->head = ldv_malloc(size) [L5812] EXPR tmp->head [L5812] tmp->data = tmp->head [L5814] return (tmp); [L5418] RET, EXPR ldv_alloc_skb_14((unsigned int )length + 8U, 32U) [L5418] skb = ldv_alloc_skb_14((unsigned int )length + 8U, 32U) [L5419] COND TRUE (unsigned long )skb == (unsigned long )((struct sk_buff *)0) [L5420] COND TRUE arcnet_debug & 1 [L5424] EXPR dev->stats.rx_dropped [L5424] dev->stats.rx_dropped = dev->stats.rx_dropped + 1UL [L5704] RET rx(capmode_proto_group1, ldvarg1, capmode_proto_group0, ldvarg0) [L5705] ldv_state_variable_1 = 1 [L5675] tmp___6 = __VERIFIER_nondet_int() [L5677] case 0: [L5716] case 1: [L5717] COND TRUE ldv_state_variable_0 != 0 [L5718] tmp___8 = __VERIFIER_nondet_int() [L5720] case 0: [L5721] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L5722] CALL capmode_module_exit() [L5615] FCALL arcnet_unregister_proto(& capmode_proto) [L5722] RET capmode_module_exit() [L5723] ldv_state_variable_0 = 2 [L5758] CALL ldv_check_final_state() [L6039] int tmp___7 ; [L6041] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L5930] return (last_index == 0); [L6041] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L6041] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L6042] COND FALSE !(\read(tmp___7)) [L6044] CALL ldv_error() [L5343] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 63 procedures, 408 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 123.7s, OverallIterations: 15, TraceHistogramMax: 8, AutomataDifference: 67.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4428 SDtfs, 13695 SDslu, 13991 SDs, 0 SdLazy, 20263 SolverSat, 9924 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 39.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 868 GetRequests, 548 SyntacticMatches, 0 SemanticMatches, 320 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1707 ImplicationChecksByTransitivity, 21.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1235occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 14 MinimizatonAttempts, 2799 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 52.8s InterpolantComputationTime, 2180 NumberOfCodeBlocks, 2180 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1951 ConstructedInterpolants, 0 QuantifiedInterpolants, 986450 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 7 PerfectInterpolantSequences, 799/1051 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...