/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=BIGGEST --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_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 00:50:42,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 00:50:42,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 00:50:42,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 00:50:42,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 00:50:42,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 00:50:42,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 00:50:42,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 00:50:42,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 00:50:42,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 00:50:42,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 00:50:42,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 00:50:42,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 00:50:42,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 00:50:42,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 00:50:42,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 00:50:42,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 00:50:42,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 00:50:42,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 00:50:42,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 00:50:42,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 00:50:42,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 00:50:42,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 00:50:42,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 00:50:42,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 00:50:42,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 00:50:42,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 00:50:42,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 00:50:42,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 00:50:42,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 00:50:42,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 00:50:42,621 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 00:50:42,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 00:50:42,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 00:50:42,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 00:50:42,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 00:50:42,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 00:50:42,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 00:50:42,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 00:50:42,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 00:50:42,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 00:50:42,628 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 [2020-10-13 00:50:42,654 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 00:50:42,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 00:50:42,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 00:50:42,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 00:50:42,656 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 00:50:42,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 00:50:42,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 00:50:42,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 00:50:42,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 00:50:42,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 00:50:42,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 00:50:42,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 00:50:42,661 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 00:50:42,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 00:50:42,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 00:50:42,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 00:50:42,661 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 00:50:42,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 00:50:42,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 00:50:42,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 00:50:42,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 00:50:42,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 00:50:42,663 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 00:50:42,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 00:50:42,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 00:50:42,663 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 00:50:42,663 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 00:50:42,664 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 00:50:42,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 00:50:42,979 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 00:50:42,983 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 00:50:42,985 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 00:50:42,985 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 00:50:42,986 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i [2020-10-13 00:50:43,051 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/54e910d8f/2fe6a980e8e34bcaa90d7e62a0ee6f95/FLAGe3569debd [2020-10-13 00:50:43,827 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 00:50:43,828 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i [2020-10-13 00:50:43,875 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/54e910d8f/2fe6a980e8e34bcaa90d7e62a0ee6f95/FLAGe3569debd [2020-10-13 00:50:44,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/54e910d8f/2fe6a980e8e34bcaa90d7e62a0ee6f95 [2020-10-13 00:50:44,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 00:50:44,367 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 00:50:44,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 00:50:44,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 00:50:44,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 00:50:44,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:50:44" (1/1) ... [2020-10-13 00:50:44,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@738085fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:44, skipping insertion in model container [2020-10-13 00:50:44,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:50:44" (1/1) ... [2020-10-13 00:50:44,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 00:50:44,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 00:50:45,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 00:50:45,923 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 00:50:46,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 00:50:46,235 INFO L208 MainTranslator]: Completed translation [2020-10-13 00:50:46,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:46 WrapperNode [2020-10-13 00:50:46,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 00:50:46,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 00:50:46,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 00:50:46,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 00:50:46,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:46" (1/1) ... [2020-10-13 00:50:46,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:46" (1/1) ... [2020-10-13 00:50:46,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:46" (1/1) ... [2020-10-13 00:50:46,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:46" (1/1) ... [2020-10-13 00:50:46,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:46" (1/1) ... [2020-10-13 00:50:46,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:46" (1/1) ... [2020-10-13 00:50:46,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:46" (1/1) ... [2020-10-13 00:50:46,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 00:50:46,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 00:50:46,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 00:50:46,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 00:50:46,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 00:50:46,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 00:50:46,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 00:50:46,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-13 00:50:46,530 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-13 00:50:46,530 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 00:50:46,530 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-10-13 00:50:46,531 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 00:50:46,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 00:50:46,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-13 00:50:46,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-13 00:50:46,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-13 00:50:46,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-13 00:50:46,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-13 00:50:46,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-13 00:50:46,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-13 00:50:46,533 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-13 00:50:46,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-13 00:50:46,533 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_cmd [2020-10-13 00:50:46,533 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_bind [2020-10-13 00:50:46,534 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_unbind [2020-10-13 00:50:46,534 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_rx_fixup [2020-10-13 00:50:46,534 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_tx_fixup [2020-10-13 00:50:46,534 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_driver_init [2020-10-13 00:50:46,535 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_driver_exit [2020-10-13 00:50:46,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2020-10-13 00:50:46,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-13 00:50:46,535 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 00:50:46,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-13 00:50:46,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-13 00:50:46,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-13 00:50:46,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-13 00:50:46,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-13 00:50:46,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2020-10-13 00:50:46,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2020-10-13 00:50:46,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2020-10-13 00:50:46,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-13 00:50:46,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-13 00:50:46,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-13 00:50:46,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-13 00:50:46,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-13 00:50:46,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-13 00:50:46,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-13 00:50:46,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-13 00:50:46,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-13 00:50:46,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-13 00:50:46,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 00:50:46,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-13 00:50:46,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-13 00:50:46,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-13 00:50:46,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-13 00:50:46,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-13 00:50:46,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 00:50:46,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-10-13 00:50:46,540 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-13 00:50:46,540 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-13 00:50:46,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-10-13 00:50:46,540 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2020-10-13 00:50:46,541 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-13 00:50:46,541 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-13 00:50:46,541 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-13 00:50:46,541 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-13 00:50:46,541 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2020-10-13 00:50:46,541 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-13 00:50:46,542 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-13 00:50:46,542 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2020-10-13 00:50:46,542 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-10-13 00:50:46,542 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2020-10-13 00:50:46,542 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-10-13 00:50:46,542 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-10-13 00:50:46,543 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2020-10-13 00:50:46,543 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-10-13 00:50:46,543 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 00:50:46,543 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-13 00:50:46,543 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-13 00:50:46,544 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-13 00:50:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 00:50:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-13 00:50:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-13 00:50:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-10-13 00:50:46,545 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 00:50:46,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 00:50:46,545 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-13 00:50:46,545 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-13 00:50:46,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 00:50:46,546 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 00:50:46,546 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-13 00:50:46,546 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-13 00:50:46,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-13 00:50:46,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-13 00:50:46,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-13 00:50:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-13 00:50:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-13 00:50:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2020-10-13 00:50:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2020-10-13 00:50:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-13 00:50:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-13 00:50:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-13 00:50:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-10-13 00:50:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 00:50:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-13 00:50:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-13 00:50:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-13 00:50:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 00:50:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 00:50:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 00:50:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 00:50:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 00:50:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 00:50:46,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 00:50:46,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-13 00:50:46,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-13 00:50:46,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-13 00:50:46,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-13 00:50:46,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-13 00:50:46,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-13 00:50:46,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2020-10-13 00:50:46,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-13 00:50:46,551 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-10-13 00:50:46,552 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-13 00:50:46,552 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-13 00:50:46,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2020-10-13 00:50:46,552 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-13 00:50:46,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2020-10-13 00:50:46,553 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2020-10-13 00:50:46,553 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2020-10-13 00:50:46,553 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-13 00:50:46,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 00:50:46,553 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-13 00:50:46,553 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-10-13 00:50:46,554 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-10-13 00:50:46,554 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-10-13 00:50:46,554 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-10-13 00:50:46,554 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2020-10-13 00:50:46,554 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2020-10-13 00:50:46,555 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_cmd [2020-10-13 00:50:46,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 00:50:46,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-13 00:50:46,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 00:50:46,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 00:50:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_bind [2020-10-13 00:50:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_unbind [2020-10-13 00:50:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_rx_fixup [2020-10-13 00:50:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_tx_fixup [2020-10-13 00:50:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_driver_init [2020-10-13 00:50:46,557 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_driver_exit [2020-10-13 00:50:46,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-10-13 00:50:46,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 00:50:46,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 00:50:46,557 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 00:50:46,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-13 00:50:46,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 00:50:46,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-13 00:50:46,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-13 00:50:46,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-13 00:50:46,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-13 00:50:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-13 00:50:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-13 00:50:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-13 00:50:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-13 00:50:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-13 00:50:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-13 00:50:46,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-13 00:50:46,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-13 00:50:46,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-13 00:50:46,560 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 00:50:46,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 00:50:46,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 00:50:46,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 00:50:46,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-13 00:50:46,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 00:50:46,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-13 00:50:46,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-13 00:50:46,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-13 00:50:47,298 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-13 00:50:49,066 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 00:50:49,066 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-13 00:50:49,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:50:49 BoogieIcfgContainer [2020-10-13 00:50:49,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 00:50:49,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 00:50:49,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 00:50:49,080 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 00:50:49,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:50:44" (1/3) ... [2020-10-13 00:50:49,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f3bb9f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:50:49, skipping insertion in model container [2020-10-13 00:50:49,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:46" (2/3) ... [2020-10-13 00:50:49,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f3bb9f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:50:49, skipping insertion in model container [2020-10-13 00:50:49,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:50:49" (3/3) ... [2020-10-13 00:50:49,084 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i [2020-10-13 00:50:49,095 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 00:50:49,103 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 00:50:49,118 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 00:50:49,146 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 00:50:49,146 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 00:50:49,146 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 00:50:49,146 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 00:50:49,146 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 00:50:49,146 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 00:50:49,147 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 00:50:49,147 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 00:50:49,178 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states. [2020-10-13 00:50:49,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-13 00:50:49,192 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 00:50:49,193 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 00:50:49,193 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 00:50:49,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 00:50:49,199 INFO L82 PathProgramCache]: Analyzing trace with hash -455461323, now seen corresponding path program 1 times [2020-10-13 00:50:49,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 00:50:49,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [128440876] [2020-10-13 00:50:49,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 00:50:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:50:49,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:50:49,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:50:50,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:50:52,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:50:54,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:50:54,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-13 00:50:54,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 00:50:54,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-13 00:50:54,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:50:54,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 00:50:54,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 00:50:54,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-13 00:50:54,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 00:50:55,243 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-13 00:50:55,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:50:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:50:55,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:50:55,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:50:55,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:50:55,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:50:55,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 00:50:55,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:50:55,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:50:55,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:50:55,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:50:55,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:50:55,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:50:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:50:55,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:50:55,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:50:55,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:50:55,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:50:55,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 00:50:55,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:50:55,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:50:55,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:50:55,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:50:55,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:50:55,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 00:50:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:50:55,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:50:55,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:50:55,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 00:50:55,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:50:55,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 00:50:55,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:50:55,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:50:55,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:50:55,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 00:50:55,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:50:55,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:50:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:50:55,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:50:55,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:50:55,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:50:55,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:50:55,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 00:50:55,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:50:55,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:50:55,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:50:55,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 00:50:55,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:50:55,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 00:50:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:50:55,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:50:55,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:50:55,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:50:55,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:50:55,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:50:55,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 00:50:55,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:50:55,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 00:50:55,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 00:50:55,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 00:50:55,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:50:55,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 00:50:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:50:55,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:50:55,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:50:55,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:50:55,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:50:55,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:50:55,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 00:50:55,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:50:55,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 00:50:55,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 00:50:55,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 00:50:55,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:50:55,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 00:50:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:50:55,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:50:55,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:50:55,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 00:50:55,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:50:55,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-13 00:50:55,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:50:55,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:50:55,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:50:55,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 00:50:55,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:50:55,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:50:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:50:55,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:50:55,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:50:55,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 00:50:55,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:50:55,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 00:50:55,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:50:55,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:50:55,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:50:55,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:50:55,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:50:55,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:50:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:50:55,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:50:55,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:50:55,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:50:55,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:50:55,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 00:50:55,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:50:55,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:50:55,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:50:55,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:50:55,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:50:55,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 00:50:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:50:55,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:50:55,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:50:55,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:50:55,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:50:55,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 00:50:55,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:50:55,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 00:50:55,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:50:55,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 00:50:55,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:50:55,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-13 00:50:55,859 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [128440876] [2020-10-13 00:50:55,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 00:50:55,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 00:50:55,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617826334] [2020-10-13 00:50:55,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 00:50:55,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 00:50:55,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 00:50:55,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-10-13 00:50:55,889 INFO L87 Difference]: Start difference. First operand 423 states. Second operand 13 states. [2020-10-13 00:51:02,330 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-10-13 00:51:03,078 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-10-13 00:51:03,507 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-10-13 00:51:05,983 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 243 [2020-10-13 00:51:06,466 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-10-13 00:51:06,828 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-10-13 00:51:09,805 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-10-13 00:51:15,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 00:51:15,981 INFO L93 Difference]: Finished difference Result 1476 states and 2107 transitions. [2020-10-13 00:51:15,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-13 00:51:15,988 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 60 [2020-10-13 00:51:15,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 00:51:16,014 INFO L225 Difference]: With dead ends: 1476 [2020-10-13 00:51:16,015 INFO L226 Difference]: Without dead ends: 1021 [2020-10-13 00:51:16,026 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=232, Invalid=638, Unknown=0, NotChecked=0, Total=870 [2020-10-13 00:51:16,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2020-10-13 00:51:16,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 810. [2020-10-13 00:51:16,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 810 states. [2020-10-13 00:51:16,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1057 transitions. [2020-10-13 00:51:16,260 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1057 transitions. Word has length 60 [2020-10-13 00:51:16,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 00:51:16,261 INFO L479 AbstractCegarLoop]: Abstraction has 810 states and 1057 transitions. [2020-10-13 00:51:16,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 00:51:16,261 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1057 transitions. [2020-10-13 00:51:16,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-13 00:51:16,272 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 00:51:16,272 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 00:51:16,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 00:51:16,273 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 00:51:16,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 00:51:16,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1675284733, now seen corresponding path program 1 times [2020-10-13 00:51:16,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 00:51:16,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1513111752] [2020-10-13 00:51:16,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 00:51:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:16,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:16,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:16,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:16,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:16,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:17,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:21,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:21,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-13 00:51:21,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 00:51:21,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5051 [2020-10-13 00:51:21,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:21,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 00:51:21,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-13 00:51:21,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 00:51:21,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 00:51:21,825 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-13 00:51:21,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:51:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:21,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:21,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:21,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:51:21,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:21,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-13 00:51:21,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:21,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:51:21,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:21,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:51:21,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 00:51:21,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:51:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:21,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:21,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:21,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:51:21,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:21,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 00:51:21,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:21,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:51:21,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:21,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:51:21,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:21,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 00:51:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:21,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:22,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:22,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 00:51:22,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:22,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 00:51:22,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:22,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:51:22,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:22,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:51:22,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:22,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:51:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:22,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:22,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:22,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:51:22,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:22,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 00:51:22,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:22,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:51:22,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:22,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:51:22,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:22,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 00:51:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:22,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:22,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:22,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:22,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 00:51:22,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:51:22,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 00:51:22,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:22,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 00:51:22,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 00:51:22,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 00:51:22,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:22,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 00:51:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:22,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:22,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:22,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:22,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 00:51:22,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:51:22,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 00:51:22,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:22,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 00:51:22,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 00:51:22,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 00:51:22,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:22,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 00:51:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:22,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:22,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:22,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:22,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 00:51:22,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:51:22,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 476 [2020-10-13 00:51:22,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:22,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 00:51:22,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 00:51:22,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 00:51:22,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:22,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 00:51:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:22,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:22,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:22,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:22,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 00:51:22,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:51:22,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 251 [2020-10-13 00:51:22,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:22,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 00:51:22,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 00:51:22,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 00:51:22,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:23,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:51:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:23,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:23,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:23,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:23,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 00:51:23,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:51:23,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-10-13 00:51:23,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:23,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 00:51:23,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:23,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 00:51:23,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:23,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:51:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:23,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:23,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:23,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:51:23,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:23,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 00:51:23,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:23,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:51:23,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:23,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:51:23,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:51:23,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 00:51:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:23,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:23,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:23,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 00:51:23,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:23,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 00:51:23,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:23,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:51:23,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:23,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 00:51:23,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:51:23,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 00:51:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:23,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:23,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:23,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 00:51:23,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:23,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 00:51:23,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:23,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:51:23,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 00:51:23,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:51:23,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:23,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:51:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:23,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:23,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:23,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 00:51:23,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:23,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 00:51:23,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:23,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:51:23,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:23,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:51:23,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:23,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:51:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:23,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:23,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:23,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:51:23,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:23,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 00:51:23,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:23,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:51:23,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:23,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:51:23,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:23,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 00:51:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:23,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:23,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:23,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:51:23,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:23,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 00:51:23,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:23,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:51:23,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 00:51:23,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:51:23,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:23,582 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-13 00:51:23,582 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1513111752] [2020-10-13 00:51:23,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 00:51:23,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-13 00:51:23,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099733599] [2020-10-13 00:51:23,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-13 00:51:23,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 00:51:23,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-13 00:51:23,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2020-10-13 00:51:23,588 INFO L87 Difference]: Start difference. First operand 810 states and 1057 transitions. Second operand 16 states. [2020-10-13 00:51:30,746 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-13 00:51:33,230 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-13 00:51:33,709 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-13 00:51:34,425 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2020-10-13 00:51:34,928 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-13 00:51:39,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 00:51:39,540 INFO L93 Difference]: Finished difference Result 1838 states and 2513 transitions. [2020-10-13 00:51:39,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-13 00:51:39,540 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 104 [2020-10-13 00:51:39,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 00:51:39,552 INFO L225 Difference]: With dead ends: 1838 [2020-10-13 00:51:39,552 INFO L226 Difference]: Without dead ends: 1042 [2020-10-13 00:51:39,559 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=246, Invalid=1086, Unknown=0, NotChecked=0, Total=1332 [2020-10-13 00:51:39,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2020-10-13 00:51:39,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 819. [2020-10-13 00:51:39,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 819 states. [2020-10-13 00:51:39,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1065 transitions. [2020-10-13 00:51:39,716 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1065 transitions. Word has length 104 [2020-10-13 00:51:39,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 00:51:39,716 INFO L479 AbstractCegarLoop]: Abstraction has 819 states and 1065 transitions. [2020-10-13 00:51:39,716 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-13 00:51:39,716 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1065 transitions. [2020-10-13 00:51:39,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-13 00:51:39,725 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 00:51:39,725 INFO L422 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 00:51:39,725 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 00:51:39,725 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 00:51:39,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 00:51:39,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1619450113, now seen corresponding path program 1 times [2020-10-13 00:51:39,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 00:51:39,728 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1231930963] [2020-10-13 00:51:39,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 00:51:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:39,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:39,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:39,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:40,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:40,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:44,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:44,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-13 00:51:44,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 00:51:44,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-13 00:51:44,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:44,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 00:51:44,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-13 00:51:44,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 00:51:44,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:45,234 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-13 00:51:45,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:51:45,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:45,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:45,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:45,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:51:45,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:45,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 00:51:45,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:45,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:51:45,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:45,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:51:45,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:45,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:51:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:45,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:45,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:45,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:51:45,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:45,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 00:51:45,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:45,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:51:45,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:45,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:51:45,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:45,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 00:51:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:45,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:45,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:45,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 00:51:45,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:45,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 00:51:45,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:45,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:51:45,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:45,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:51:45,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:51:45,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:51:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:45,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:45,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:45,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:51:45,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:45,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 00:51:45,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:45,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:51:45,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:45,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:51:45,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:45,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 00:51:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:45,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:45,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:45,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:45,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 00:51:45,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:51:45,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-13 00:51:45,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:45,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 00:51:45,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 00:51:45,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 00:51:45,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:45,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 00:51:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:45,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:45,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:45,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:45,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 00:51:45,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:51:45,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 00:51:45,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:45,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 00:51:45,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 00:51:45,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 00:51:45,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:45,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 00:51:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:45,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:45,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:46,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:46,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 00:51:46,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:51:46,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 529 [2020-10-13 00:51:46,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:46,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 00:51:46,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-13 00:51:46,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 00:51:46,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:46,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 00:51:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:46,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:46,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:46,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 00:51:46,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:46,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 00:51:46,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:46,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:51:46,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:46,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:51:46,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:46,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:51:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:46,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:46,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:46,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:51:46,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:46,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 00:51:46,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:46,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:51:46,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:46,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:51:46,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:46,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 00:51:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:46,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:46,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:46,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:46,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-13 00:51:46,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:51:46,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-13 00:51:46,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:46,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 00:51:46,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 00:51:46,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 00:51:46,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:46,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:51:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:46,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:46,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:46,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:46,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 00:51:46,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:51:46,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-13 00:51:46,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:46,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 00:51:46,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:46,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 00:51:46,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:51:46,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:51:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:46,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:46,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:46,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:51:46,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:46,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 00:51:46,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:46,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 00:51:46,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:46,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 00:51:46,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:51:46,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 00:51:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:46,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:46,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:46,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 00:51:46,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:46,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 00:51:46,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:46,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:51:46,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:46,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 00:51:46,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:46,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 00:51:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:46,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:46,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:46,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:51:46,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:46,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 00:51:46,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:46,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:51:46,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 00:51:46,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:51:46,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:46,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 00:51:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:46,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:46,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:46,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 00:51:46,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:46,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 00:51:46,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:46,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:51:46,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 00:51:46,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:51:46,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:46,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:51:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:46,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:46,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:46,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 00:51:46,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:46,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 00:51:46,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:46,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:51:46,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:46,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:51:46,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:46,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:51:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:46,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:46,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:46,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:51:46,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:46,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 00:51:46,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:46,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:51:46,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:46,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:51:46,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:46,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 00:51:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:46,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:46,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:46,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:51:46,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:46,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 00:51:46,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:46,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:51:46,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 00:51:46,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:51:46,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:46,967 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-13 00:51:46,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1231930963] [2020-10-13 00:51:46,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 00:51:46,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-13 00:51:46,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333079730] [2020-10-13 00:51:46,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-13 00:51:46,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 00:51:46,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-13 00:51:46,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2020-10-13 00:51:46,973 INFO L87 Difference]: Start difference. First operand 819 states and 1065 transitions. Second operand 20 states. [2020-10-13 00:51:57,840 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-10-13 00:51:58,492 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-13 00:52:00,808 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-10-13 00:52:01,203 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-10-13 00:52:01,572 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-10-13 00:52:01,997 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-10-13 00:52:02,383 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-10-13 00:52:07,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 00:52:07,341 INFO L93 Difference]: Finished difference Result 1908 states and 2643 transitions. [2020-10-13 00:52:07,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-13 00:52:07,343 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 130 [2020-10-13 00:52:07,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 00:52:07,352 INFO L225 Difference]: With dead ends: 1908 [2020-10-13 00:52:07,352 INFO L226 Difference]: Without dead ends: 1103 [2020-10-13 00:52:07,357 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=297, Invalid=1263, Unknown=0, NotChecked=0, Total=1560 [2020-10-13 00:52:07,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1103 states. [2020-10-13 00:52:07,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1103 to 828. [2020-10-13 00:52:07,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2020-10-13 00:52:07,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1081 transitions. [2020-10-13 00:52:07,475 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1081 transitions. Word has length 130 [2020-10-13 00:52:07,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 00:52:07,475 INFO L479 AbstractCegarLoop]: Abstraction has 828 states and 1081 transitions. [2020-10-13 00:52:07,475 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-13 00:52:07,476 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1081 transitions. [2020-10-13 00:52:07,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-13 00:52:07,480 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 00:52:07,480 INFO L422 BasicCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 00:52:07,480 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 00:52:07,480 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 00:52:07,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 00:52:07,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1545337608, now seen corresponding path program 1 times [2020-10-13 00:52:07,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 00:52:07,481 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [808070834] [2020-10-13 00:52:07,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 00:52:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:07,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:07,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:07,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:07,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:08,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:12,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:12,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-13 00:52:12,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 00:52:12,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-13 00:52:12,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:12,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 00:52:12,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-13 00:52:12,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-13 00:52:12,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:12,942 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-13 00:52:12,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:52:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:12,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:12,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:12,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:12,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:12,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 00:52:12,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:12,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:12,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:12,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:12,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:13,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:52:13,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:13,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:13,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:13,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:52:13,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:13,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 00:52:13,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:13,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:13,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:13,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:13,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:13,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 00:52:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:13,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:13,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:13,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 00:52:13,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:13,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 00:52:13,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:13,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:13,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:13,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:13,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:13,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:52:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:13,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:13,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:13,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:13,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:13,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 00:52:13,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:13,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:13,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:13,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:13,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:13,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 00:52:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:13,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:13,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:13,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:13,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 00:52:13,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:52:13,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-13 00:52:13,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:13,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 00:52:13,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 00:52:13,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 00:52:13,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:13,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 00:52:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:13,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:13,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:13,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:13,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 00:52:13,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:52:13,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-13 00:52:13,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 00:52:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 00:52:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 00:52:13,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:13,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 00:52:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:13,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:13,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:13,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-13 00:52:13,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:13,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 402 [2020-10-13 00:52:13,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:13,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 00:52:13,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 00:52:13,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-13 00:52:13,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:13,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 00:52:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:13,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:14,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:14,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 00:52:14,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:14,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-10-13 00:52:14,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:14,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 00:52:14,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:14,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 00:52:14,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:14,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:14,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:14,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:14,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 00:52:14,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:14,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-10-13 00:52:14,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:14,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 00:52:14,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:14,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-13 00:52:14,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:14,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:14,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:14,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:14,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 00:52:14,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:14,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-13 00:52:14,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:14,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 00:52:14,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:14,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 00:52:14,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:14,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 00:52:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:14,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:14,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:14,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:14,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:14,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 00:52:14,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:14,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:14,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:14,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:14,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:14,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 00:52:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:14,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:14,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:14,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:52:14,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:14,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 00:52:14,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:14,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 00:52:14,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:14,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 00:52:14,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:15,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 00:52:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:15,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:15,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:15,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 00:52:15,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:15,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 00:52:15,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:15,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:15,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:15,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 00:52:15,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:15,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 00:52:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:15,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:15,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:15,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:52:15,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:15,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 00:52:15,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:15,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:15,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:15,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 00:52:15,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:15,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 00:52:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:15,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:15,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:15,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 00:52:15,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:15,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 00:52:15,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:15,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:15,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 00:52:15,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:15,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:15,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:52:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:15,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:15,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:15,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 00:52:15,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:15,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 00:52:15,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:15,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:15,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:15,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:15,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:15,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:15,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:15,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:15,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:15,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:15,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 00:52:15,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:15,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:15,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:15,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:15,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:15,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 00:52:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:15,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:15,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:15,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:15,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:15,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 00:52:15,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:15,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:15,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 00:52:15,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:15,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:15,478 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 11 proven. 18 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-13 00:52:15,479 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [808070834] [2020-10-13 00:52:15,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 00:52:15,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-13 00:52:15,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370491468] [2020-10-13 00:52:15,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-13 00:52:15,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 00:52:15,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-13 00:52:15,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2020-10-13 00:52:15,482 INFO L87 Difference]: Start difference. First operand 828 states and 1081 transitions. Second operand 28 states. [2020-10-13 00:52:30,412 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-13 00:52:30,864 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-10-13 00:52:31,481 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-13 00:52:35,202 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-10-13 00:52:43,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 00:52:43,319 INFO L93 Difference]: Finished difference Result 1937 states and 2673 transitions. [2020-10-13 00:52:43,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-13 00:52:43,320 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 125 [2020-10-13 00:52:43,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 00:52:43,328 INFO L225 Difference]: With dead ends: 1937 [2020-10-13 00:52:43,329 INFO L226 Difference]: Without dead ends: 1123 [2020-10-13 00:52:43,333 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=403, Invalid=3379, Unknown=0, NotChecked=0, Total=3782 [2020-10-13 00:52:43,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2020-10-13 00:52:43,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 839. [2020-10-13 00:52:43,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 839 states. [2020-10-13 00:52:43,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 1092 transitions. [2020-10-13 00:52:43,461 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 1092 transitions. Word has length 125 [2020-10-13 00:52:43,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 00:52:43,461 INFO L479 AbstractCegarLoop]: Abstraction has 839 states and 1092 transitions. [2020-10-13 00:52:43,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-13 00:52:43,461 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1092 transitions. [2020-10-13 00:52:43,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-13 00:52:43,466 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 00:52:43,466 INFO L422 BasicCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 00:52:43,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 00:52:43,466 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 00:52:43,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 00:52:43,466 INFO L82 PathProgramCache]: Analyzing trace with hash -1872718934, now seen corresponding path program 1 times [2020-10-13 00:52:43,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 00:52:43,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2029384418] [2020-10-13 00:52:43,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 00:52:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:43,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:43,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:45,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:46,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:48,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:48,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-13 00:52:48,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 00:52:48,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5085 [2020-10-13 00:52:48,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:48,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 00:52:48,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-10-13 00:52:48,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-13 00:52:48,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:49,026 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-13 00:52:49,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:52:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:49,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:49,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:49,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:49,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:49,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 00:52:49,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:49,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:49,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:49,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:49,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:49,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:52:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:49,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:49,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:49,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:52:49,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:49,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 00:52:49,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:49,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:49,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:49,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:49,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:49,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 00:52:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:49,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:49,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:49,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 00:52:49,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:49,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 00:52:49,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:49,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:49,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:49,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:49,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:49,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:52:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:49,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:49,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:49,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:49,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:49,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 00:52:49,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:49,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:49,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:49,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:49,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:49,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 00:52:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:49,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:49,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:49,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 00:52:49,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:49,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 00:52:49,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:49,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:49,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:49,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:49,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:49,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 00:52:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:49,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:49,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:49,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 00:52:49,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:49,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 00:52:49,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:49,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:49,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:49,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:49,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:49,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 00:52:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:49,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:49,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:49,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-13 00:52:49,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:49,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 543 [2020-10-13 00:52:49,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:49,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 00:52:49,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-13 00:52:49,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-13 00:52:49,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:49,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 00:52:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:49,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:49,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:49,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 00:52:49,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:49,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 00:52:49,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:49,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:49,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:49,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:49,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:49,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:49,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:49,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:49,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:52:49,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:49,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 00:52:49,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:49,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:49,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:49,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:49,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:49,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 00:52:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:49,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:50,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:50,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 00:52:50,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:50,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-10-13 00:52:50,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:50,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 00:52:50,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:50,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 00:52:50,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:50,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:50,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:50,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:50,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 00:52:50,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:50,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-13 00:52:50,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:50,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 00:52:50,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:50,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-13 00:52:50,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:50,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:50,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:50,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:50,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 00:52:50,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:50,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-13 00:52:50,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:50,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 00:52:50,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:50,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 00:52:50,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:50,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 00:52:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:50,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:50,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:50,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:50,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:50,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 00:52:50,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:50,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:50,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:50,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:50,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:50,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 00:52:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:50,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:50,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:50,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:52:50,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:50,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 00:52:50,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:50,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 00:52:50,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:50,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 00:52:50,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:50,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 00:52:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:50,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:50,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:50,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 00:52:50,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:50,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 00:52:50,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:50,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:50,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:50,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 00:52:50,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:50,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 00:52:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:50,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:50,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:50,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:52:50,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:50,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 00:52:50,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:50,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:50,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:50,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 00:52:50,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:50,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 00:52:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:50,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:50,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:50,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 00:52:50,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:50,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 00:52:50,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:50,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:50,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 00:52:50,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:50,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:50,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:52:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:50,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:50,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:50,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 00:52:50,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:50,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 00:52:50,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:50,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:50,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:50,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:50,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:50,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:50,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:50,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:50,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:50,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:50,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 00:52:50,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:50,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:50,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:50,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:50,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:50,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-13 00:52:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:50,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:50,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:50,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:50,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:50,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 00:52:50,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:50,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:50,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 00:52:50,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:50,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:51,039 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-10-13 00:52:51,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2029384418] [2020-10-13 00:52:51,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 00:52:51,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-10-13 00:52:51,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732552693] [2020-10-13 00:52:51,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-13 00:52:51,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 00:52:51,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-13 00:52:51,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2020-10-13 00:52:51,043 INFO L87 Difference]: Start difference. First operand 839 states and 1092 transitions. Second operand 23 states. [2020-10-13 00:53:01,920 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-13 00:53:02,350 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-10-13 00:53:07,795 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-10-13 00:53:15,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 00:53:15,884 INFO L93 Difference]: Finished difference Result 1941 states and 2658 transitions. [2020-10-13 00:53:15,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-13 00:53:15,885 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 145 [2020-10-13 00:53:15,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 00:53:15,894 INFO L225 Difference]: With dead ends: 1941 [2020-10-13 00:53:15,894 INFO L226 Difference]: Without dead ends: 1129 [2020-10-13 00:53:15,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 560 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=337, Invalid=2525, Unknown=0, NotChecked=0, Total=2862 [2020-10-13 00:53:15,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2020-10-13 00:53:16,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 845. [2020-10-13 00:53:16,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2020-10-13 00:53:16,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1098 transitions. [2020-10-13 00:53:16,031 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1098 transitions. Word has length 145 [2020-10-13 00:53:16,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 00:53:16,033 INFO L479 AbstractCegarLoop]: Abstraction has 845 states and 1098 transitions. [2020-10-13 00:53:16,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-13 00:53:16,034 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1098 transitions. [2020-10-13 00:53:16,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-13 00:53:16,038 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 00:53:16,039 INFO L422 BasicCegarLoop]: trace histogram [8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 00:53:16,039 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 00:53:16,039 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 00:53:16,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 00:53:16,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1509287868, now seen corresponding path program 1 times [2020-10-13 00:53:16,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 00:53:16,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [923213957] [2020-10-13 00:53:16,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 00:53:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:16,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:16,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:18,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:20,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:22,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:22,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-13 00:53:22,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 00:53:22,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6061 [2020-10-13 00:53:22,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:22,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-13 00:53:22,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 00:53:22,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-13 00:53:22,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:22,638 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-13 00:53:22,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:53:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:22,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:22,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:22,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:22,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:22,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-13 00:53:22,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:22,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:53:22,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:22,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 00:53:22,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:22,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:53:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:22,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:22,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:22,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:53:22,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:22,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 00:53:22,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:22,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:53:22,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:22,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 00:53:22,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:22,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 00:53:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:22,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:22,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:22,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 00:53:22,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:22,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 00:53:22,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:22,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:53:22,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:22,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 00:53:22,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:22,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:53:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:22,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:22,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:22,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:22,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:22,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 00:53:22,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:22,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:22,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:22,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:22,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:22,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 00:53:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:22,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:22,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:22,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 00:53:22,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:22,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 00:53:22,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:22,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:53:22,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:22,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 00:53:22,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:22,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 00:53:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:22,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:22,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:22,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 00:53:22,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:22,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 00:53:22,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:22,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:53:22,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:22,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 00:53:22,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:22,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 00:53:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:23,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:23,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:24,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:26,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:28,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:28,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-13 00:53:28,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 00:53:28,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 00:53:28,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:28,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-13 00:53:28,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 00:53:28,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-13 00:53:28,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:28,470 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 33 [2020-10-13 00:53:28,694 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 39 [2020-10-13 00:53:28,985 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 38 [2020-10-13 00:53:29,172 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 32 [2020-10-13 00:53:29,388 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2020-10-13 00:53:29,623 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 56 [2020-10-13 00:53:36,169 WARN L193 SmtUtils]: Spent 6.39 s on a formula simplification. DAG size of input: 75 DAG size of output: 56 [2020-10-13 00:53:38,560 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-10-13 00:53:38,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 00:53:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:38,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:38,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:38,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 00:53:38,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:38,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 00:53:38,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:38,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:53:38,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:38,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 00:53:38,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:38,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:53:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:38,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:38,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:38,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:53:38,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:38,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 00:53:38,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:38,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:38,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:38,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:38,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:38,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 00:53:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:39,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:40,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:40,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 00:53:40,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:40,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1037 [2020-10-13 00:53:40,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:40,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-13 00:53:40,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 00:53:40,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-13 00:53:40,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:40,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:53:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:40,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:40,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:40,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 00:53:40,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:40,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-10-13 00:53:40,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:40,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-13 00:53:40,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 00:53:40,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 00:53:40,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:41,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:53:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:41,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:41,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:41,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 00:53:41,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:41,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-13 00:53:41,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:41,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 00:53:41,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 00:53:41,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 00:53:41,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:41,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 00:53:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:41,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:41,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:41,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:41,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:41,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 00:53:41,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:41,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 00:53:41,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 00:53:41,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 00:53:41,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:41,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 00:53:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:41,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:41,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:41,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:53:41,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:41,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 00:53:41,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:41,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:53:41,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:41,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 00:53:41,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:41,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 00:53:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:41,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:41,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:41,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 00:53:41,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:41,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 00:53:41,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:41,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 00:53:41,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 00:53:41,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 00:53:41,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:41,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 00:53:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:41,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:41,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:41,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:53:41,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:41,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 00:53:41,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:41,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:53:41,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:41,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 00:53:41,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:41,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 00:53:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:42,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:42,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:42,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:42,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:42,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-13 00:53:42,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:42,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 00:53:42,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 00:53:42,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 00:53:42,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:42,501 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 20 [2020-10-13 00:53:42,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 00:53:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:42,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:42,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:42,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:42,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 00:53:42,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:53:42,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-13 00:53:42,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:42,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 00:53:42,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 00:53:42,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 00:53:42,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:42,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 00:53:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:42,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:42,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:42,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:42,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:42,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 00:53:42,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:42,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:53:42,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:42,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 00:53:42,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:42,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 00:53:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:42,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:42,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:42,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 00:53:42,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:42,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 00:53:42,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:42,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:53:42,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:42,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 00:53:42,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:42,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:53:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:42,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:42,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:42,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:53:42,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:42,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 00:53:42,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:42,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:42,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:42,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:42,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:42,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-13 00:53:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:42,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:42,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:42,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 00:53:42,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:42,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 00:53:42,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:42,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:42,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 00:53:42,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:42,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:42,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:53:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:42,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:42,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:42,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 00:53:42,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:42,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 00:53:42,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:42,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:42,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:42,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:42,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:42,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:53:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:42,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:42,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:42,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:42,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:42,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 00:53:42,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:42,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:42,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:42,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:42,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:42,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-13 00:53:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:42,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:42,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:42,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:42,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:42,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 00:53:42,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:42,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:42,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 00:53:42,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:42,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:43,027 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-10-13 00:53:43,028 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [923213957] [2020-10-13 00:53:43,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 00:53:43,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2020-10-13 00:53:43,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048803841] [2020-10-13 00:53:43,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-10-13 00:53:43,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 00:53:43,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-10-13 00:53:43,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=1408, Unknown=0, NotChecked=0, Total=1560 [2020-10-13 00:53:43,030 INFO L87 Difference]: Start difference. First operand 845 states and 1098 transitions. Second operand 40 states. [2020-10-13 00:54:06,792 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-10-13 00:54:12,237 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-10-13 00:54:16,629 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 272 [2020-10-13 00:54:20,138 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 278 DAG size of output: 278 [2020-10-13 00:54:21,435 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 277 DAG size of output: 277 [2020-10-13 00:54:23,012 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 290 DAG size of output: 290