/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=NARROWEST --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 19:32:48,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 19:32:48,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 19:32:48,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 19:32:48,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 19:32:48,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 19:32:48,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 19:32:48,634 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 19:32:48,636 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 19:32:48,639 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 19:32:48,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 19:32:48,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 19:32:48,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 19:32:48,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 19:32:48,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 19:32:48,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 19:32:48,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 19:32:48,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 19:32:48,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 19:32:48,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 19:32:48,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 19:32:48,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 19:32:48,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 19:32:48,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 19:32:48,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 19:32:48,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 19:32:48,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 19:32:48,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 19:32:48,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 19:32:48,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 19:32:48,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 19:32:48,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 19:32:48,681 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 19:32:48,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 19:32:48,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 19:32:48,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 19:32:48,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 19:32:48,688 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 19:32:48,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 19:32:48,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 19:32:48,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 19:32:48,690 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 19:32:48,730 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 19:32:48,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 19:32:48,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 19:32:48,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 19:32:48,733 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 19:32:48,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 19:32:48,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 19:32:48,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 19:32:48,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 19:32:48,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 19:32:48,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 19:32:48,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 19:32:48,735 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 19:32:48,736 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 19:32:48,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 19:32:48,736 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 19:32:48,736 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 19:32:48,737 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 19:32:48,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 19:32:48,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 19:32:48,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 19:32:48,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 19:32:48,738 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 19:32:48,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 19:32:48,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 19:32:48,738 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 19:32:48,738 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 19:32:48,738 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 19:32:49,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 19:32:49,118 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 19:32:49,122 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 19:32:49,124 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 19:32:49,125 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 19:32:49,126 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i [2020-10-13 19:32:49,204 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/53005bfd3/99ea8c24c8f240679f7c7e261361d535/FLAG197c4bcae [2020-10-13 19:32:49,917 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 19:32:49,918 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i [2020-10-13 19:32:49,951 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/53005bfd3/99ea8c24c8f240679f7c7e261361d535/FLAG197c4bcae [2020-10-13 19:32:50,011 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/53005bfd3/99ea8c24c8f240679f7c7e261361d535 [2020-10-13 19:32:50,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 19:32:50,022 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 19:32:50,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 19:32:50,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 19:32:50,027 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 19:32:50,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:32:50" (1/1) ... [2020-10-13 19:32:50,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc58bc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:32:50, skipping insertion in model container [2020-10-13 19:32:50,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:32:50" (1/1) ... [2020-10-13 19:32:50,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 19:32:50,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 19:32:51,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 19:32:51,626 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 19:32:51,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 19:32:51,965 INFO L208 MainTranslator]: Completed translation [2020-10-13 19:32:51,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:32:51 WrapperNode [2020-10-13 19:32:51,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 19:32:51,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 19:32:51,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 19:32:51,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 19:32:51,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:32:51" (1/1) ... [2020-10-13 19:32:51,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:32:51" (1/1) ... [2020-10-13 19:32:52,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:32:51" (1/1) ... [2020-10-13 19:32:52,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:32:51" (1/1) ... [2020-10-13 19:32:52,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:32:51" (1/1) ... [2020-10-13 19:32:52,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:32:51" (1/1) ... [2020-10-13 19:32:52,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:32:51" (1/1) ... [2020-10-13 19:32:52,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 19:32:52,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 19:32:52,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 19:32:52,196 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 19:32:52,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:32:51" (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 19:32:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 19:32:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 19:32:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-13 19:32:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-13 19:32:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 19:32:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-10-13 19:32:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 19:32:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 19:32:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-13 19:32:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-13 19:32:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-13 19:32:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-13 19:32:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-13 19:32:52,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-13 19:32:52,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-13 19:32:52,295 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-13 19:32:52,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-13 19:32:52,295 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_cmd [2020-10-13 19:32:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_bind [2020-10-13 19:32:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_unbind [2020-10-13 19:32:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_rx_fixup [2020-10-13 19:32:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_tx_fixup [2020-10-13 19:32:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_driver_init [2020-10-13 19:32:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_driver_exit [2020-10-13 19:32:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2020-10-13 19:32:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-13 19:32:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 19:32:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-13 19:32:52,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-13 19:32:52,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-13 19:32:52,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-13 19:32:52,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-13 19:32:52,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2020-10-13 19:32:52,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2020-10-13 19:32:52,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2020-10-13 19:32:52,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-13 19:32:52,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-13 19:32:52,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-13 19:32:52,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-13 19:32:52,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-13 19:32:52,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-13 19:32:52,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-13 19:32:52,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-13 19:32:52,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-13 19:32:52,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-13 19:32:52,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 19:32:52,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-13 19:32:52,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-13 19:32:52,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-13 19:32:52,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-13 19:32:52,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-13 19:32:52,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 19:32:52,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-10-13 19:32:52,302 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-13 19:32:52,302 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-13 19:32:52,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-10-13 19:32:52,302 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2020-10-13 19:32:52,302 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-13 19:32:52,303 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-13 19:32:52,303 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-13 19:32:52,303 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-13 19:32:52,303 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2020-10-13 19:32:52,304 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-13 19:32:52,304 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-13 19:32:52,304 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2020-10-13 19:32:52,304 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-10-13 19:32:52,304 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2020-10-13 19:32:52,305 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-10-13 19:32:52,305 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-10-13 19:32:52,305 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2020-10-13 19:32:52,305 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-10-13 19:32:52,306 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 19:32:52,306 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-13 19:32:52,306 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-13 19:32:52,306 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-13 19:32:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 19:32:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-13 19:32:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-13 19:32:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-10-13 19:32:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 19:32:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 19:32:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-13 19:32:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-13 19:32:52,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 19:32:52,308 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 19:32:52,308 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-13 19:32:52,308 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-13 19:32:52,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-13 19:32:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-13 19:32:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-13 19:32:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-13 19:32:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-13 19:32:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2020-10-13 19:32:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2020-10-13 19:32:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-13 19:32:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-13 19:32:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-13 19:32:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-10-13 19:32:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 19:32:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-13 19:32:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-13 19:32:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-13 19:32:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 19:32:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 19:32:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 19:32:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 19:32:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 19:32:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 19:32:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 19:32:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-13 19:32:52,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-13 19:32:52,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-13 19:32:52,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-13 19:32:52,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-13 19:32:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-13 19:32:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2020-10-13 19:32:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-13 19:32:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-10-13 19:32:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-13 19:32:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-13 19:32:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2020-10-13 19:32:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-13 19:32:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2020-10-13 19:32:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2020-10-13 19:32:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2020-10-13 19:32:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-13 19:32:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 19:32:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-13 19:32:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-10-13 19:32:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-10-13 19:32:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-10-13 19:32:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-10-13 19:32:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2020-10-13 19:32:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2020-10-13 19:32:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_cmd [2020-10-13 19:32:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 19:32:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-13 19:32:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 19:32:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 19:32:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_bind [2020-10-13 19:32:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_unbind [2020-10-13 19:32:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_rx_fixup [2020-10-13 19:32:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_tx_fixup [2020-10-13 19:32:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_driver_init [2020-10-13 19:32:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_driver_exit [2020-10-13 19:32:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-10-13 19:32:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 19:32:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 19:32:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 19:32:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-13 19:32:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 19:32:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-13 19:32:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-13 19:32:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-13 19:32:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-13 19:32:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-13 19:32:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-13 19:32:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-13 19:32:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-13 19:32:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-13 19:32:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-13 19:32:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-13 19:32:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-13 19:32:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-13 19:32:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 19:32:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 19:32:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 19:32:52,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 19:32:52,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-13 19:32:52,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 19:32:52,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-13 19:32:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-13 19:32:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-13 19:32:53,026 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-13 19:32:54,847 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 19:32:54,848 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-13 19:32:54,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:32:54 BoogieIcfgContainer [2020-10-13 19:32:54,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 19:32:54,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 19:32:54,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 19:32:54,860 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 19:32:54,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:32:50" (1/3) ... [2020-10-13 19:32:54,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6701d5ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:32:54, skipping insertion in model container [2020-10-13 19:32:54,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:32:51" (2/3) ... [2020-10-13 19:32:54,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6701d5ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:32:54, skipping insertion in model container [2020-10-13 19:32:54,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:32:54" (3/3) ... [2020-10-13 19:32:54,864 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 19:32:54,874 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 19:32:54,882 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 19:32:54,895 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 19:32:54,922 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 19:32:54,923 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 19:32:54,923 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 19:32:54,923 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 19:32:54,923 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 19:32:54,923 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 19:32:54,923 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 19:32:54,923 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 19:32:54,951 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states. [2020-10-13 19:32:54,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-13 19:32:54,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:32:54,966 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 19:32:54,967 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:32:54,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:32:54,973 INFO L82 PathProgramCache]: Analyzing trace with hash -455461323, now seen corresponding path program 1 times [2020-10-13 19:32:54,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:32:54,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1241142974] [2020-10-13 19:32:54,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:32:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:32:55,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:32:55,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:32:55,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:32:57,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:00,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:00,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-13 19:33:00,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 19:33:00,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-13 19:33:00,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:00,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:33:00,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-13 19:33:00,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 19:33:00,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 19:33:00,944 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-13 19:33:00,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:33:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:00,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:01,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:01,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:01,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:01,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-13 19:33:01,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:01,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:01,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:01,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:01,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:01,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:33:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:01,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:01,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:01,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:33:01,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:01,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 19:33:01,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:01,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:01,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:01,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:01,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:33:01,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:33:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:01,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:01,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:01,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:33:01,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:01,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:33:01,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:01,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:01,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:01,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:01,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 19:33:01,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:33:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:01,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:01,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:01,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:01,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:01,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:33:01,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:01,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:01,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:01,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:01,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:01,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 19:33:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:01,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:01,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:01,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:01,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:33:01,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:33:01,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 19:33:01,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:01,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:01,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:01,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:01,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:01,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 19:33:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:01,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:01,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:01,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:33:01,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:01,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 19:33:01,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:01,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:33:01,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 19:33:01,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 19:33:01,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:01,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 19:33:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:01,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:01,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:01,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 19:33:01,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:01,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 19:33:01,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:01,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:01,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 19:33:01,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:01,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:01,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:33:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:01,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:01,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:01,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 19:33:01,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:01,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:33:01,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:01,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:01,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:01,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:01,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:01,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:33:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:01,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:01,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:01,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:01,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:01,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:33:01,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:01,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:01,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:01,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:01,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:01,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 19:33:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:01,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:01,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:01,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:01,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:01,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:33:01,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:01,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:01,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:33:01,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:01,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:01,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 19:33:01,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1241142974] [2020-10-13 19:33:01,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:33:01,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 19:33:01,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143638838] [2020-10-13 19:33:01,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 19:33:01,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:33:01,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 19:33:01,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-13 19:33:01,381 INFO L87 Difference]: Start difference. First operand 423 states. Second operand 9 states. [2020-10-13 19:33:05,844 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-13 19:33:06,218 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-10-13 19:33:10,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:33:10,689 INFO L93 Difference]: Finished difference Result 982 states and 1380 transitions. [2020-10-13 19:33:10,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 19:33:10,691 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 60 [2020-10-13 19:33:10,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:33:10,713 INFO L225 Difference]: With dead ends: 982 [2020-10-13 19:33:10,713 INFO L226 Difference]: Without dead ends: 560 [2020-10-13 19:33:10,722 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2020-10-13 19:33:10,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-10-13 19:33:10,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 402. [2020-10-13 19:33:10,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-10-13 19:33:10,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 512 transitions. [2020-10-13 19:33:10,880 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 512 transitions. Word has length 60 [2020-10-13 19:33:10,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:33:10,881 INFO L479 AbstractCegarLoop]: Abstraction has 402 states and 512 transitions. [2020-10-13 19:33:10,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 19:33:10,881 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 512 transitions. [2020-10-13 19:33:10,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-13 19:33:10,886 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:33:10,886 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 19:33:10,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 19:33:10,886 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:33:10,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:33:10,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1886366965, now seen corresponding path program 1 times [2020-10-13 19:33:10,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:33:10,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [575287151] [2020-10-13 19:33:10,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:33:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:10,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:11,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:11,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:13,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:15,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:15,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-13 19:33:15,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 19:33:15,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 19:33:15,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:15,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:33:15,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 19:33:15,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:33:15,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:16,377 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-13 19:33:16,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:33:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:16,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:16,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:16,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:16,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:16,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-13 19:33:16,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:16,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:16,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:16,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:16,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:16,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:33:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:16,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:16,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:16,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:33:16,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:16,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:33:16,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:16,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:16,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:16,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:16,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 19:33:16,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:33:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:16,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:16,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:16,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:33:16,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:16,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:33:16,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:16,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:16,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:16,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:16,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:16,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:33:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:16,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:16,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:16,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:16,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:16,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:33:16,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:16,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:16,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:16,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:16,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:16,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 19:33:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:16,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:16,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:16,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:16,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 19:33:16,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:33:16,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 19:33:16,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:16,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:16,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:16,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:16,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:16,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 19:33:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:16,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:16,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:16,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 19:33:16,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:16,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 19:33:16,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:16,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:33:16,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 19:33:16,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 19:33:16,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:16,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 19:33:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:16,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:16,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:16,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 19:33:16,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:16,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:33:16,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:16,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:16,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 19:33:16,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:16,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:16,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:33:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:16,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:16,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:16,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 19:33:16,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:16,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:33:16,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:16,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:16,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:16,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:16,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:16,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:33:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:16,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:16,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:16,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:16,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:16,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:33:16,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:16,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:16,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:16,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:16,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:16,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 19:33:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:16,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:16,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:16,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:16,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:16,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:33:16,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:16,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:16,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:33:16,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:16,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:16,753 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-13 19:33:16,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [575287151] [2020-10-13 19:33:16,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 19:33:16,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 19:33:16,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633641278] [2020-10-13 19:33:16,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 19:33:16,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:33:16,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 19:33:16,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-13 19:33:16,758 INFO L87 Difference]: Start difference. First operand 402 states and 512 transitions. Second operand 10 states. [2020-10-13 19:33:22,053 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-13 19:33:28,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:33:28,473 INFO L93 Difference]: Finished difference Result 949 states and 1275 transitions. [2020-10-13 19:33:28,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 19:33:28,474 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 62 [2020-10-13 19:33:28,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:33:28,480 INFO L225 Difference]: With dead ends: 949 [2020-10-13 19:33:28,481 INFO L226 Difference]: Without dead ends: 561 [2020-10-13 19:33:28,483 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2020-10-13 19:33:28,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2020-10-13 19:33:28,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 403. [2020-10-13 19:33:28,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-10-13 19:33:28,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 513 transitions. [2020-10-13 19:33:28,574 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 513 transitions. Word has length 62 [2020-10-13 19:33:28,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:33:28,575 INFO L479 AbstractCegarLoop]: Abstraction has 403 states and 513 transitions. [2020-10-13 19:33:28,575 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 19:33:28,575 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 513 transitions. [2020-10-13 19:33:28,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-13 19:33:28,578 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:33:28,578 INFO L422 BasicCegarLoop]: trace histogram [4, 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 19:33:28,578 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 19:33:28,579 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:33:28,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:33:28,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1856669173, now seen corresponding path program 2 times [2020-10-13 19:33:28,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:33:28,580 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1066054164] [2020-10-13 19:33:28,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:33:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:28,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:28,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:28,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:32,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:33,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:33,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-13 19:33:33,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 19:33:33,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 19:33:33,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:33,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 19:33:33,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 19:33:33,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 19:33:33,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:34,011 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-13 19:33:34,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:33:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:34,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:34,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:34,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:34,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:34,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-13 19:33:34,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:34,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:34,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:34,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:34,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:34,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:33:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:34,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:34,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:34,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:33:34,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:34,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:33:34,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:34,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:34,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:34,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:34,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:34,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:33:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:34,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:34,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:34,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:33:34,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:34,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:33:34,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:34,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:34,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:34,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:34,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:34,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:33:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:34,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:34,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:34,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:34,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:34,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:33:34,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:34,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:34,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:34,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:34,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:34,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 19:33:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:34,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:34,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:34,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:34,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 19:33:34,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:33:34,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 19:33:34,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:34,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:34,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:34,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:34,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:34,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 19:33:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:34,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:34,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:34,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 19:33:34,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:34,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 19:33:34,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:34,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 19:33:34,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 19:33:34,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 19:33:34,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:34,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 19:33:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:34,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:34,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:34,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 19:33:34,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:34,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:33:34,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:34,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:34,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 19:33:34,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:34,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:34,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:33:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:34,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:34,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:34,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 19:33:34,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:34,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:33:34,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:34,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:34,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:34,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:34,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:34,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:33:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:34,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:34,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:34,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:34,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:34,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:33:34,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:34,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:34,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:34,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:34,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:34,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 19:33:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:34,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:34,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:34,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:34,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:34,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:33:34,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:34,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:34,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:33:34,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:34,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:34,434 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-13 19:33:34,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1066054164] [2020-10-13 19:33:34,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 19:33:34,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 19:33:34,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148410284] [2020-10-13 19:33:34,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 19:33:34,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:33:34,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 19:33:34,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-13 19:33:34,438 INFO L87 Difference]: Start difference. First operand 403 states and 513 transitions. Second operand 11 states. [2020-10-13 19:33:39,302 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-13 19:33:44,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:33:44,129 INFO L93 Difference]: Finished difference Result 951 states and 1277 transitions. [2020-10-13 19:33:44,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 19:33:44,130 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 64 [2020-10-13 19:33:44,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:33:44,135 INFO L225 Difference]: With dead ends: 951 [2020-10-13 19:33:44,135 INFO L226 Difference]: Without dead ends: 562 [2020-10-13 19:33:44,137 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=109, Invalid=311, Unknown=0, NotChecked=0, Total=420 [2020-10-13 19:33:44,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2020-10-13 19:33:44,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 404. [2020-10-13 19:33:44,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2020-10-13 19:33:44,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 514 transitions. [2020-10-13 19:33:44,208 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 514 transitions. Word has length 64 [2020-10-13 19:33:44,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:33:44,208 INFO L479 AbstractCegarLoop]: Abstraction has 404 states and 514 transitions. [2020-10-13 19:33:44,208 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 19:33:44,208 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 514 transitions. [2020-10-13 19:33:44,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-13 19:33:44,210 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:33:44,210 INFO L422 BasicCegarLoop]: trace histogram [6, 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 19:33:44,211 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 19:33:44,211 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:33:44,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:33:44,211 INFO L82 PathProgramCache]: Analyzing trace with hash 208491701, now seen corresponding path program 3 times [2020-10-13 19:33:44,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:33:44,212 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1298099364] [2020-10-13 19:33:44,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:33:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:44,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:44,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:44,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:47,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:49,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:49,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-13 19:33:49,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 19:33:49,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-13 19:33:49,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:49,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:33:49,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 19:33:49,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 19:33:49,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:49,692 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-13 19:33:49,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:33:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:49,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:49,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:49,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:49,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:49,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 19:33:49,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:49,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:49,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:49,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:49,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:49,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:33:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:49,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:49,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:49,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:33:49,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:49,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:33:49,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:49,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:49,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:49,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:49,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:49,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:33:49,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:49,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:49,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:49,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:33:49,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:49,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:33:49,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:49,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:49,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:49,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:49,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:49,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:33:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:49,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:49,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:49,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:49,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:49,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:33:49,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:49,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:49,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:49,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:49,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:49,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 19:33:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:49,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:49,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:49,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:49,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 19:33:49,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:33:49,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 19:33:49,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:49,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:49,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:49,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:49,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:49,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 19:33:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:49,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:49,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:49,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:49,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 19:33:49,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:33:49,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 19:33:49,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:49,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:49,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:49,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:49,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:49,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 19:33:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:49,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:49,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:49,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 19:33:49,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:49,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:33:49,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:49,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:49,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 19:33:49,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:49,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:49,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:33:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:49,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:49,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:49,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 19:33:49,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:49,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:33:49,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:49,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:49,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:49,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:49,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:49,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:33:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:49,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:49,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:49,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:49,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:49,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:33:49,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:49,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:49,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:49,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:49,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:50,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 19:33:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:50,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:50,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:50,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:50,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:50,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:33:50,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:50,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:50,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:33:50,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:50,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:50,022 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-13 19:33:50,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1298099364] [2020-10-13 19:33:50,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:33:50,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 19:33:50,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482522701] [2020-10-13 19:33:50,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 19:33:50,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:33:50,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 19:33:50,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 19:33:50,024 INFO L87 Difference]: Start difference. First operand 404 states and 514 transitions. Second operand 8 states. [2020-10-13 19:33:53,819 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-10-13 19:34:03,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:34:03,219 INFO L93 Difference]: Finished difference Result 1046 states and 1457 transitions. [2020-10-13 19:34:03,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-13 19:34:03,220 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 66 [2020-10-13 19:34:03,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:34:03,227 INFO L225 Difference]: With dead ends: 1046 [2020-10-13 19:34:03,227 INFO L226 Difference]: Without dead ends: 1022 [2020-10-13 19:34:03,228 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=133, Invalid=287, Unknown=0, NotChecked=0, Total=420 [2020-10-13 19:34:03,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2020-10-13 19:34:03,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 725. [2020-10-13 19:34:03,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 725 states. [2020-10-13 19:34:03,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 937 transitions. [2020-10-13 19:34:03,324 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 937 transitions. Word has length 66 [2020-10-13 19:34:03,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:34:03,325 INFO L479 AbstractCegarLoop]: Abstraction has 725 states and 937 transitions. [2020-10-13 19:34:03,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 19:34:03,325 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 937 transitions. [2020-10-13 19:34:03,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-13 19:34:03,327 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:34:03,328 INFO L422 BasicCegarLoop]: trace histogram [6, 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] [2020-10-13 19:34:03,328 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 19:34:03,328 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:34:03,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:34:03,328 INFO L82 PathProgramCache]: Analyzing trace with hash 877356267, now seen corresponding path program 1 times [2020-10-13 19:34:03,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:34:03,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1525504678] [2020-10-13 19:34:03,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:34:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:03,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:03,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:05,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:08,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:08,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-13 19:34:08,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 19:34:08,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-13 19:34:08,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:08,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 19:34:08,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-13 19:34:08,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 19:34:08,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:08,761 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-13 19:34:08,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:34:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:08,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:08,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:08,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:08,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:08,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 19:34:08,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:08,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:08,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:08,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:08,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:08,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:34:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:08,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:08,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:08,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:34:08,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:08,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:34:08,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:08,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:08,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:08,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:08,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:08,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:34:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:08,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:08,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:08,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:34:08,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:08,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:34:08,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:08,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:08,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:08,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:08,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:08,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:34:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:08,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:08,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:08,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:08,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:08,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:34:08,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:08,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:08,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:08,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:08,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:08,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 19:34:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:08,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:08,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:08,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:08,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 19:34:08,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:34:08,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 19:34:08,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:08,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:08,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:08,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:08,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:08,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 19:34:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:08,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:08,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:08,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 19:34:08,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:08,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 19:34:08,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:08,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 19:34:08,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 19:34:08,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 19:34:08,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:09,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 19:34:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:09,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:09,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:09,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 19:34:09,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:09,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 19:34:09,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:09,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:09,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-13 19:34:09,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:09,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:09,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:34:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:09,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:09,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:09,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 19:34:09,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:09,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:34:09,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:09,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:09,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:09,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:09,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:09,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:34:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:09,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:09,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:09,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:09,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:09,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:34:09,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:09,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:09,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:09,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:09,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:09,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:34:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:09,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:09,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:09,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:34:09,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:09,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 19:34:09,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:09,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:09,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:09,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:09,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:34:09,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:34:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:09,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:09,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:09,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:34:09,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:09,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:34:09,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:09,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:09,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:09,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:09,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:34:09,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-13 19:34:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:09,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:09,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:09,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:09,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:09,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:34:09,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:09,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:09,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:34:09,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:09,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:34:09,259 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-13 19:34:09,260 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1525504678] [2020-10-13 19:34:09,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 19:34:09,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 19:34:09,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777813057] [2020-10-13 19:34:09,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 19:34:09,264 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:34:09,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 19:34:09,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-13 19:34:09,264 INFO L87 Difference]: Start difference. First operand 725 states and 937 transitions. Second operand 13 states. [2020-10-13 19:34:18,526 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-13 19:34:23,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:34:23,741 INFO L93 Difference]: Finished difference Result 1734 states and 2358 transitions. [2020-10-13 19:34:23,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 19:34:23,742 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 82 [2020-10-13 19:34:23,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:34:23,749 INFO L225 Difference]: With dead ends: 1734 [2020-10-13 19:34:23,749 INFO L226 Difference]: Without dead ends: 1023 [2020-10-13 19:34:23,754 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=121, Invalid=385, Unknown=0, NotChecked=0, Total=506 [2020-10-13 19:34:23,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2020-10-13 19:34:23,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 726. [2020-10-13 19:34:23,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2020-10-13 19:34:23,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 938 transitions. [2020-10-13 19:34:23,876 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 938 transitions. Word has length 82 [2020-10-13 19:34:23,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:34:23,876 INFO L479 AbstractCegarLoop]: Abstraction has 726 states and 938 transitions. [2020-10-13 19:34:23,877 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 19:34:23,877 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 938 transitions. [2020-10-13 19:34:23,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-13 19:34:23,879 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:34:23,879 INFO L422 BasicCegarLoop]: trace histogram [8, 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] [2020-10-13 19:34:23,879 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 19:34:23,879 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:34:23,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:34:23,880 INFO L82 PathProgramCache]: Analyzing trace with hash 765461995, now seen corresponding path program 2 times [2020-10-13 19:34:23,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:34:23,880 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [982134170] [2020-10-13 19:34:23,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:34:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:23,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:24,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:24,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-13 19:34:24,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:24,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 391 [2020-10-13 19:34:24,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:24,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 19:34:24,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 19:34:24,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-13 19:34:24,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:24,698 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-13 19:34:24,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:34:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:24,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:24,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:24,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:24,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:24,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 19:34:24,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:24,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:24,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:24,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:24,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:24,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:34:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:24,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:24,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:24,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:34:24,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:24,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:34:24,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:24,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:24,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:24,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:24,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:24,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:34:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:24,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:24,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:24,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:34:24,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:24,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:34:24,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:24,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:34:24,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:24,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:34:24,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:24,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:34:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:24,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:24,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:24,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:24,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:24,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:34:24,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:24,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:34:24,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:24,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 19:34:24,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:24,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 19:34:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:24,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:24,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:24,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:34:24,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:24,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 19:34:24,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:24,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:34:24,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:24,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 19:34:24,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:24,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 19:34:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:24,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:24,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:24,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:34:24,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:24,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 19:34:24,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:24,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:34:24,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:24,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 19:34:24,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:24,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 19:34:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:24,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:24,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:24,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 19:34:24,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:24,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 19:34:24,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:24,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:34:24,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:24,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-13 19:34:24,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:24,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:34:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:24,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:24,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:24,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 19:34:24,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:24,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:34:24,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:24,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:24,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:24,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:24,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:24,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:34:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:24,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:24,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:24,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:24,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:24,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:34:24,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:24,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:24,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:24,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:24,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:25,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:34:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:25,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:25,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:25,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:34:25,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:25,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:34:25,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:25,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:25,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:25,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:25,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:25,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:34:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:25,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:25,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:25,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:34:25,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:25,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:34:25,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:25,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:25,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:25,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:25,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:25,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 19:34:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:25,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:25,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:25,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:25,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:25,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:34:25,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:25,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:34:25,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:25,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:34:25,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:25,096 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-10-13 19:34:25,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [982134170] [2020-10-13 19:34:25,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:34:25,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 19:34:25,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659620390] [2020-10-13 19:34:25,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 19:34:25,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:34:25,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 19:34:25,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-13 19:34:25,098 INFO L87 Difference]: Start difference. First operand 726 states and 938 transitions. Second operand 12 states. [2020-10-13 19:34:29,616 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-10-13 19:34:33,004 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2020-10-13 19:34:33,515 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-10-13 19:34:33,969 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-10-13 19:34:37,707 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2020-10-13 19:34:41,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:34:41,923 INFO L93 Difference]: Finished difference Result 2608 states and 3590 transitions. [2020-10-13 19:34:41,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 19:34:41,924 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 84 [2020-10-13 19:34:41,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:34:41,942 INFO L225 Difference]: With dead ends: 2608 [2020-10-13 19:34:41,942 INFO L226 Difference]: Without dead ends: 1888 [2020-10-13 19:34:41,948 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=203, Invalid=447, Unknown=0, NotChecked=0, Total=650 [2020-10-13 19:34:41,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1888 states. [2020-10-13 19:34:42,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1888 to 1505. [2020-10-13 19:34:42,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1505 states. [2020-10-13 19:34:42,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 1988 transitions. [2020-10-13 19:34:42,175 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 1988 transitions. Word has length 84 [2020-10-13 19:34:42,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:34:42,176 INFO L479 AbstractCegarLoop]: Abstraction has 1505 states and 1988 transitions. [2020-10-13 19:34:42,176 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 19:34:42,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1988 transitions. [2020-10-13 19:34:42,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-13 19:34:42,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:34:42,182 INFO L422 BasicCegarLoop]: trace histogram [8, 3, 3, 3, 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] [2020-10-13 19:34:42,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 19:34:42,182 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:34:42,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:34:42,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1047837689, now seen corresponding path program 1 times [2020-10-13 19:34:42,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:34:42,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [458367142] [2020-10-13 19:34:42,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:34:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:42,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:42,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:42,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:42,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:47,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:47,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-13 19:34:47,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 19:34:47,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5083 [2020-10-13 19:34:47,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:47,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:34:47,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-13 19:34:47,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:34:47,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:47,726 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-13 19:34:47,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:34:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:47,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:47,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:47,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:47,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:47,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-13 19:34:47,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:47,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:47,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:47,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:47,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:47,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:34:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:47,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:47,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:47,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:34:47,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:47,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:34:47,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:47,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:47,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:47,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:47,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:47,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:34:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:47,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:47,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:47,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:34:47,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:47,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:34:47,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:47,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:47,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:47,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:47,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:34:47,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:34:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:47,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:47,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:47,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:47,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:47,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:34:47,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:47,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:47,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:47,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:47,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:34:47,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 19:34:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:47,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:47,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:47,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:34:47,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:47,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 19:34:47,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:47,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:47,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:47,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:47,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:47,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 19:34:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:47,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:47,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:47,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:34:47,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:47,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 19:34:47,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:47,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:47,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:47,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:47,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:34:48,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 19:34:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:48,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:48,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:48,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:48,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 19:34:48,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:34:48,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 433 [2020-10-13 19:34:48,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:48,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:34:48,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 19:34:48,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:34:48,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:48,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:34:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:48,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:48,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:48,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:48,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 19:34:48,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:34:48,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 221 [2020-10-13 19:34:48,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:48,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:34:48,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 19:34:48,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:34:48,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:48,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:34:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:48,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:48,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:48,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 19:34:48,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:48,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-13 19:34:48,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:48,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:34:48,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 19:34:48,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:34:48,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:48,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:34:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:48,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:48,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:48,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:34:48,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:48,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 19:34:48,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:48,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:34:48,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:48,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:34:48,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:34:48,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 19:34:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:48,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:48,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:48,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 19:34:48,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:48,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 19:34:48,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:48,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:48,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 19:34:48,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:48,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:48,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 19:34:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:48,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:49,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:49,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 19:34:49,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:49,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 19:34:49,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:49,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:49,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-13 19:34:49,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:49,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:34:49,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:34:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:49,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:49,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:49,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 19:34:49,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:49,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 19:34:49,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:49,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:49,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:49,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:49,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:34:49,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:34:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:49,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:49,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:49,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:49,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:49,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:34:49,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:49,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:49,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:49,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:49,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:34:49,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:34:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:49,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:49,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:49,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:34:49,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:49,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 19:34:49,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:49,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:49,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:49,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:49,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:34:49,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:34:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:49,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:49,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:49,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:34:49,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:49,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:34:49,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:49,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:49,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:49,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:49,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:49,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 19:34:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:49,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:49,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:49,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:49,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:49,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:34:49,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:49,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:49,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:34:49,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:49,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:34:49,217 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-10-13 19:34:49,217 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [458367142] [2020-10-13 19:34:49,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 19:34:49,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 19:34:49,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329296336] [2020-10-13 19:34:49,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 19:34:49,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:34:49,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 19:34:49,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-10-13 19:34:49,220 INFO L87 Difference]: Start difference. First operand 1505 states and 1988 transitions. Second operand 13 states. [2020-10-13 19:34:57,934 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-10-13 19:35:00,332 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-10-13 19:35:00,760 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-10-13 19:35:06,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:35:06,271 INFO L93 Difference]: Finished difference Result 3366 states and 4648 transitions. [2020-10-13 19:35:06,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 19:35:06,272 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 126 [2020-10-13 19:35:06,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:35:06,286 INFO L225 Difference]: With dead ends: 3366 [2020-10-13 19:35:06,287 INFO L226 Difference]: Without dead ends: 1888 [2020-10-13 19:35:06,295 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=114, Invalid=266, Unknown=0, NotChecked=0, Total=380 [2020-10-13 19:35:06,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1888 states. [2020-10-13 19:35:06,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1888 to 1521. [2020-10-13 19:35:06,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1521 states. [2020-10-13 19:35:06,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 2013 transitions. [2020-10-13 19:35:06,569 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 2013 transitions. Word has length 126 [2020-10-13 19:35:06,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:35:06,570 INFO L479 AbstractCegarLoop]: Abstraction has 1521 states and 2013 transitions. [2020-10-13 19:35:06,570 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 19:35:06,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2013 transitions. [2020-10-13 19:35:06,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-13 19:35:06,577 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:35:06,577 INFO L422 BasicCegarLoop]: trace histogram [8, 3, 3, 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] [2020-10-13 19:35:06,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 19:35:06,577 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:35:06,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:35:06,578 INFO L82 PathProgramCache]: Analyzing trace with hash 849151722, now seen corresponding path program 1 times [2020-10-13 19:35:06,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:35:06,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [292054650] [2020-10-13 19:35:06,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:35:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:06,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:06,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:06,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:07,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:07,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:09,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:11,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:11,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-13 19:35:11,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 19:35:11,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 19:35:11,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:11,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:35:11,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 19:35:11,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 19:35:11,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:12,028 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-13 19:35:12,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:35:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:12,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:12,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:12,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:12,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:12,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 19:35:12,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:12,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:12,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:12,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:12,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:12,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:35:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:12,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:12,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:12,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:12,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:12,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:35:12,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:12,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:12,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:12,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:12,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:12,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:35:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:12,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:12,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:12,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:35:12,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:12,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:35:12,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:12,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:12,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:12,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:12,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:12,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:35:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:12,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:12,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:12,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:12,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:12,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:35:12,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:12,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:12,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:12,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:12,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:35:12,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 19:35:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:12,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:12,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:12,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:35:12,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:12,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 19:35:12,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:12,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:12,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:12,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:12,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:12,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 19:35:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:12,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:12,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:12,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:35:12,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:12,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 19:35:12,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:12,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:12,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:12,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:12,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:12,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 19:35:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:12,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:12,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:12,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:12,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:13,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:14,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:14,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 19:35:14,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 19:35:14,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2577 [2020-10-13 19:35:14,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:14,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:14,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-13 19:35:14,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:14,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:14,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 19:35:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:14,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:14,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:14,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:35:14,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:14,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:35:14,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:14,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:14,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:14,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:14,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:35:14,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:14,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:14,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:14,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:14,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:14,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:35:14,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:14,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:14,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:14,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:14,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:14,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 19:35:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:14,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:14,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:14,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:15,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:15,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:15,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-13 19:35:15,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 19:35:15,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 617 [2020-10-13 19:35:15,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:15,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:15,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:15,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:15,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:15,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:15,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:15,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:15,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 19:35:15,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:15,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 19:35:15,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:15,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:15,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:15,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:15,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:15,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:15,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:15,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:15,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:35:15,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:15,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 19:35:15,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:15,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:15,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:15,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:15,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:15,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:35:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:15,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:15,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:15,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:15,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:15,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:35:15,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:15,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:15,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:15,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:15,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:15,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 19:35:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:15,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:15,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:15,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:15,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:15,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:35:15,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:15,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:15,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:15,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:15,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:15,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 19:35:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:15,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:15,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:15,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 19:35:15,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:15,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:35:15,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:15,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:15,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:15,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:15,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:35:15,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 19:35:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:15,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:15,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:15,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 19:35:15,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:15,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 19:35:15,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:15,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:15,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-13 19:35:15,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:15,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:15,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:15,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:15,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:15,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 19:35:15,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:15,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 19:35:15,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:15,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:15,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:15,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:15,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:15,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:15,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:15,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:15,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:15,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:15,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:35:15,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:15,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:15,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:15,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:15,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:15,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:35:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:15,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:15,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:15,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:35:15,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:15,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:35:15,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:15,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:15,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:15,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:15,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:15,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:15,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:15,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:15,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:15,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:15,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:35:15,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:15,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:15,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:15,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:15,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:35:15,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-13 19:35:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:15,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:15,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:15,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:15,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:15,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:35:15,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:15,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:15,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:35:15,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:15,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:15,919 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-13 19:35:15,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [292054650] [2020-10-13 19:35:15,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:35:15,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 19:35:15,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139109335] [2020-10-13 19:35:15,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 19:35:15,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:35:15,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 19:35:15,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-13 19:35:15,928 INFO L87 Difference]: Start difference. First operand 1521 states and 2013 transitions. Second operand 13 states. [2020-10-13 19:35:19,903 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-10-13 19:35:24,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:35:24,862 INFO L93 Difference]: Finished difference Result 3914 states and 5399 transitions. [2020-10-13 19:35:24,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 19:35:24,863 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 155 [2020-10-13 19:35:24,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:35:24,878 INFO L225 Difference]: With dead ends: 3914 [2020-10-13 19:35:24,879 INFO L226 Difference]: Without dead ends: 2420 [2020-10-13 19:35:24,885 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=174, Invalid=378, Unknown=0, NotChecked=0, Total=552 [2020-10-13 19:35:24,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2420 states. [2020-10-13 19:35:25,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2420 to 1776. [2020-10-13 19:35:25,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1776 states. [2020-10-13 19:35:25,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1776 states and 2345 transitions. [2020-10-13 19:35:25,201 INFO L78 Accepts]: Start accepts. Automaton has 1776 states and 2345 transitions. Word has length 155 [2020-10-13 19:35:25,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:35:25,201 INFO L479 AbstractCegarLoop]: Abstraction has 1776 states and 2345 transitions. [2020-10-13 19:35:25,201 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 19:35:25,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2345 transitions. [2020-10-13 19:35:25,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-13 19:35:25,210 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:35:25,210 INFO L422 BasicCegarLoop]: trace histogram [8, 6, 6, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:35:25,210 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 19:35:25,210 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:35:25,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:35:25,211 INFO L82 PathProgramCache]: Analyzing trace with hash -1342002396, now seen corresponding path program 1 times [2020-10-13 19:35:25,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:35:25,211 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1915614046] [2020-10-13 19:35:25,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:35:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:25,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:25,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:25,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:26,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:26,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:30,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:30,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-13 19:35:30,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 19:35:30,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5076 [2020-10-13 19:35:30,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:30,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 19:35:30,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 196 [2020-10-13 19:35:30,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 19:35:30,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:30,786 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-13 19:35:30,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:35:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:30,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:30,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:30,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:30,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:30,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 19:35:30,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:30,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:30,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:30,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:30,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:30,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:35:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:30,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:30,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:30,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:30,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:30,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:35:30,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:30,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:30,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:30,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:30,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:30,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:35:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:30,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:30,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:30,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:35:30,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:30,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:35:30,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:30,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:30,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:30,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:30,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:30,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:35:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:30,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:30,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:30,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:30,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:30,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:35:30,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:30,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:30,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:30,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:30,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:30,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 19:35:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:30,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:30,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:30,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:35:30,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:30,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 19:35:30,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:30,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:30,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:30,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:30,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:30,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 19:35:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:30,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:30,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:30,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:35:30,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:30,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:35:30,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:30,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:30,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:30,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:30,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:31,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 19:35:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:31,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:31,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:31,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 19:35:31,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:31,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 19:35:31,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:31,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:31,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:31,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:31,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:31,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:31,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:31,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:31,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 19:35:31,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:31,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 19:35:31,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:31,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:31,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:31,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:31,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:31,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:31,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:31,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:31,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:31,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:31,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:35:31,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:31,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:31,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:31,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:31,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:31,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:35:31,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:31,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:31,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:31,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:35:31,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:31,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:35:31,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:31,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:31,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:31,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:31,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:31,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:31,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:31,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:31,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:31,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:31,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:35:31,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:31,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:31,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:31,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:31,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:31,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 19:35:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:31,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:31,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:31,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 19:35:31,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:31,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:35:31,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:31,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:31,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:31,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:31,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:31,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:31,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:31,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:31,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:31,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:31,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:35:31,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:31,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:31,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:31,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:31,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:31,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 19:35:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:31,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:31,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:31,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:31,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:31,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:35:31,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:31,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:31,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:31,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:31,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:31,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 19:35:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:31,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:31,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:31,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:31,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:31,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:35:31,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:31,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:31,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:31,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:31,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:31,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 19:35:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:31,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:31,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:31,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:31,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:32,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:32,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 19:35:32,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 19:35:32,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1511 [2020-10-13 19:35:32,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:32,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 19:35:32,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-13 19:35:32,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 19:35:32,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:32,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 19:35:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:32,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:32,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:32,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:35:32,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:32,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:35:32,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:32,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:32,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:32,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:32,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:32,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:32,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:32,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:32,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:32,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:32,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:35:32,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:32,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:32,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:32,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:32,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:32,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 19:35:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:32,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:32,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:32,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:33,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:33,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-13 19:35:33,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 19:35:33,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 356 [2020-10-13 19:35:33,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:33,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 19:35:33,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 19:35:33,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 19:35:33,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:33,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:33,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:33,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:33,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:33,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:33,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 19:35:33,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 19:35:33,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 345 [2020-10-13 19:35:33,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:33,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 19:35:33,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:33,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-13 19:35:33,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:33,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:33,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:33,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:33,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:35:33,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:33,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 19:35:33,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:33,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 19:35:33,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:33,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 19:35:33,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:33,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:35:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:33,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:33,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:33,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:33,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:33,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:35:33,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:33,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:35:33,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:33,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:35:33,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:33,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 19:35:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:33,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:33,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:33,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:35:33,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:33,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:35:33,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:33,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:35:33,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:33,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 19:35:33,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:33,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 19:35:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:33,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:33,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:33,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 19:35:33,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:33,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:35:33,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:33,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:35:33,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:33,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 19:35:33,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:33,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-13 19:35:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:33,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:33,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:33,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 19:35:33,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:33,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:35:33,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:33,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:33,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 19:35:33,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:33,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:33,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:35:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:33,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:33,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:33,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 19:35:33,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:33,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:35:33,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:33,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:33,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:33,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:33,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:33,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:35:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:33,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:33,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:33,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:33,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:33,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:35:33,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:33,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:33,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:35:33,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:33,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:33,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-13 19:35:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:33,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:33,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:35:33,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:35:33,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:35:33,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:35:33,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:35:33,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:35:33,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:35:33,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:35:33,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:35:33,957 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-10-13 19:35:33,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1915614046] [2020-10-13 19:35:33,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:35:33,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-10-13 19:35:33,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031240356] [2020-10-13 19:35:33,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-13 19:35:33,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:35:33,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-13 19:35:33,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462 [2020-10-13 19:35:33,959 INFO L87 Difference]: Start difference. First operand 1776 states and 2345 transitions. Second operand 22 states. [2020-10-13 19:35:49,118 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2020-10-13 19:35:54,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:35:54,818 INFO L93 Difference]: Finished difference Result 4086 states and 5686 transitions. [2020-10-13 19:35:54,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-13 19:35:54,819 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 196 [2020-10-13 19:35:54,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:35:54,835 INFO L225 Difference]: With dead ends: 4086 [2020-10-13 19:35:54,836 INFO L226 Difference]: Without dead ends: 2337 [2020-10-13 19:35:54,844 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 532 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=327, Invalid=1929, Unknown=0, NotChecked=0, Total=2256 [2020-10-13 19:35:54,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2337 states. [2020-10-13 19:35:55,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2337 to 1792. [2020-10-13 19:35:55,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1792 states. [2020-10-13 19:35:55,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1792 states and 2355 transitions. [2020-10-13 19:35:55,202 INFO L78 Accepts]: Start accepts. Automaton has 1792 states and 2355 transitions. Word has length 196 [2020-10-13 19:35:55,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:35:55,203 INFO L479 AbstractCegarLoop]: Abstraction has 1792 states and 2355 transitions. [2020-10-13 19:35:55,203 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-13 19:35:55,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2355 transitions. [2020-10-13 19:35:55,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-10-13 19:35:55,213 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:35:55,213 INFO L422 BasicCegarLoop]: trace histogram [8, 6, 6, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:35:55,213 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 19:35:55,214 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:35:55,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:35:55,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1048848870, now seen corresponding path program 1 times [2020-10-13 19:35:55,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:35:55,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [444916227] [2020-10-13 19:35:55,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:35:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:35:55,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:55,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:35:55,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:00,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:00,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-10-13 19:36:00,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 19:36:00,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4795 [2020-10-13 19:36:00,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:00,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 19:36:00,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 186 [2020-10-13 19:36:00,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-13 19:36:00,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:00,485 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-13 19:36:00,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:36:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:00,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:00,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:00,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:00,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:00,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 19:36:00,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:00,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:00,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:00,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:00,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:00,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:36:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:00,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:00,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:00,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:36:00,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:00,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:36:00,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:00,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:00,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:00,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:00,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:00,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:36:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:00,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:00,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:00,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:36:00,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:00,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:36:00,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:00,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:00,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:00,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:00,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:00,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:36:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:00,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:00,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:00,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:00,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:00,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:36:00,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:00,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:00,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:00,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:00,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:00,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 19:36:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:00,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:00,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:00,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:36:00,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:00,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:36:00,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:00,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:00,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:00,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:00,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:00,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 19:36:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:00,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:00,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:00,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:36:00,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:00,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-13 19:36:00,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:00,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:00,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:00,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:00,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:00,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 19:36:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:00,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:00,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:00,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 19:36:00,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:00,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:36:00,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:00,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:00,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:00,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:00,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:00,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:00,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:00,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:00,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 19:36:00,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:00,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:36:00,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:00,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:00,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:00,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:00,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:00,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:00,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:00,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:00,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:00,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:00,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:36:00,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:00,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:00,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:00,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:00,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:00,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:36:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:00,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:00,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:00,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:36:00,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:00,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:36:00,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:00,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:00,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:00,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:00,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:00,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:00,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:00,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:00,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:36:00,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:00,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:36:00,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:00,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:00,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:00,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:00,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:00,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 19:36:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:00,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:00,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:00,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 19:36:00,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:00,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 19:36:00,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:00,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:00,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:00,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:00,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:00,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:00,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:00,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:00,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:36:00,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:00,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:36:00,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:00,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:00,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:00,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:00,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:00,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 19:36:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:00,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:00,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:00,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:36:00,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:00,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:36:00,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:00,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:00,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:00,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:00,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:00,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 19:36:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:00,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:00,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:00,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:36:00,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:00,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:36:00,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:00,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:00,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:00,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:00,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:00,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 19:36:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:00,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:01,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:01,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-13 19:36:01,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:01,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 436 [2020-10-13 19:36:01,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:01,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 19:36:01,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-13 19:36:01,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-13 19:36:01,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:01,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 19:36:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:01,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:01,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:01,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:36:01,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:01,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 19:36:01,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:01,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:01,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:01,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:01,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:01,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:01,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:01,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:01,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:36:01,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:01,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:36:01,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:01,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:01,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:01,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:01,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:36:01,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 19:36:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:01,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:01,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:01,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 19:36:01,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:01,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-10-13 19:36:01,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:01,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 19:36:01,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:01,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 19:36:01,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:01,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:01,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:01,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:01,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 19:36:01,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:01,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-13 19:36:01,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:01,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 19:36:01,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:01,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-13 19:36:01,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:36:02,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-13 19:36:02,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 19:36:02,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 19:36:02,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:36:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:02,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:36:02,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 19:36:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:36:02,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:36:02,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:36:02,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 19:36:02,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 19:36:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 19:36:02,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:36:02,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:36:02,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 19:36:02,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 19:36:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:36:02,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:36:02,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:36:02,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 19:36:02,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-13 19:36:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 19:36:02,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:36:02,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 19:36:02,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:36:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 19:36:02,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:36:02,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:36:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:02,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:36:02,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:36:02,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-13 19:36:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:36:02,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:36:02,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:36:02,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:36:02,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:36:02,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:36:02,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:36:02,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:36:02,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:36:02,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:36:02,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:36:02,480 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2020-10-13 19:36:02,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [444916227] [2020-10-13 19:36:02,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:36:02,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-10-13 19:36:02,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647045263] [2020-10-13 19:36:02,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-13 19:36:02,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:36:02,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-13 19:36:02,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=567, Unknown=0, NotChecked=0, Total=650 [2020-10-13 19:36:02,482 INFO L87 Difference]: Start difference. First operand 1792 states and 2355 transitions. Second operand 26 states.