/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=HIGHLEXORDER --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 23:25:59,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 23:25:59,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 23:25:59,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 23:25:59,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 23:25:59,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 23:25:59,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 23:25:59,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 23:25:59,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 23:25:59,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 23:25:59,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 23:25:59,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 23:25:59,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 23:25:59,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 23:25:59,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 23:25:59,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 23:25:59,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 23:25:59,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 23:25:59,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 23:25:59,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 23:25:59,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 23:25:59,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 23:25:59,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 23:25:59,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 23:25:59,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 23:25:59,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 23:25:59,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 23:25:59,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 23:25:59,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 23:25:59,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 23:25:59,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 23:25:59,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 23:25:59,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 23:25:59,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 23:25:59,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 23:25:59,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 23:25:59,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 23:25:59,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 23:25:59,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 23:25:59,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 23:25:59,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 23:25:59,601 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-24 23:25:59,648 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 23:25:59,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 23:25:59,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 23:25:59,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 23:25:59,651 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 23:25:59,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 23:25:59,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 23:25:59,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 23:25:59,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 23:25:59,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 23:25:59,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 23:25:59,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 23:25:59,654 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 23:25:59,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 23:25:59,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 23:25:59,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 23:25:59,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 23:25:59,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 23:25:59,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 23:25:59,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 23:25:59,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 23:25:59,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 23:25:59,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 23:25:59,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 23:25:59,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 23:25:59,657 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 23:25:59,657 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 23:25:59,657 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; [2020-09-24 23:26:00,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 23:26:00,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 23:26:00,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 23:26:00,165 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 23:26:00,165 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 23:26:00,167 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2020-09-24 23:26:00,257 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/776fc06c5/69b7f7d0fbd742bb8df843dd27835386/FLAGb91585da0 [2020-09-24 23:26:01,093 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 23:26:01,093 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2020-09-24 23:26:01,117 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/776fc06c5/69b7f7d0fbd742bb8df843dd27835386/FLAGb91585da0 [2020-09-24 23:26:01,637 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/776fc06c5/69b7f7d0fbd742bb8df843dd27835386 [2020-09-24 23:26:01,651 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 23:26:01,657 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 23:26:01,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 23:26:01,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 23:26:01,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 23:26:01,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:26:01" (1/1) ... [2020-09-24 23:26:01,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@156d188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:01, skipping insertion in model container [2020-09-24 23:26:01,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:26:01" (1/1) ... [2020-09-24 23:26:01,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 23:26:01,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 23:26:02,340 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2384] [2020-09-24 23:26:02,342 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2385-2386] [2020-09-24 23:26:02,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:26:02,796 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 23:26:02,896 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2384] [2020-09-24 23:26:02,896 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2385-2386] [2020-09-24 23:26:02,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:26:03,009 INFO L208 MainTranslator]: Completed translation [2020-09-24 23:26:03,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:03 WrapperNode [2020-09-24 23:26:03,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 23:26:03,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 23:26:03,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 23:26:03,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 23:26:03,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:03" (1/1) ... [2020-09-24 23:26:03,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:03" (1/1) ... [2020-09-24 23:26:03,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:03" (1/1) ... [2020-09-24 23:26:03,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:03" (1/1) ... [2020-09-24 23:26:03,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:03" (1/1) ... [2020-09-24 23:26:03,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:03" (1/1) ... [2020-09-24 23:26:03,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:03" (1/1) ... [2020-09-24 23:26:03,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 23:26:03,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 23:26:03,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 23:26:03,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 23:26:03,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:03" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 23:26:03,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 23:26:03,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 23:26:03,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-09-24 23:26:03,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-24 23:26:03,259 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-09-24 23:26:03,259 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-09-24 23:26:03,259 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 23:26:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 23:26:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-24 23:26:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-24 23:26:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-24 23:26:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-24 23:26:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-24 23:26:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-24 23:26:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-24 23:26:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-24 23:26:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2020-09-24 23:26:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_parse [2020-09-24 23:26:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_start [2020-09-24 23:26:03,262 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_stop [2020-09-24 23:26:03,262 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_open [2020-09-24 23:26:03,262 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_close [2020-09-24 23:26:03,262 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_request [2020-09-24 23:26:03,262 INFO L138 BoogieDeclarations]: Found implementation of procedure axff_play [2020-09-24 23:26:03,263 INFO L138 BoogieDeclarations]: Found implementation of procedure axff_init [2020-09-24 23:26:03,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_probe [2020-09-24 23:26:03,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_remove [2020-09-24 23:26:03,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_driver_init [2020-09-24 23:26:03,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_driver_exit [2020-09-24 23:26:03,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hid_driver_1 [2020-09-24 23:26:03,263 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 23:26:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-24 23:26:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-09-24 23:26:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-24 23:26:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-09-24 23:26:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-09-24 23:26:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-09-24 23:26:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-09-24 23:26:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-09-24 23:26:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __hid_register_driver [2020-09-24 23:26:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __hid_request [2020-09-24 23:26:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-09-24 23:26:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-24 23:26:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-09-24 23:26:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_connect [2020-09-24 23:26:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_disconnect [2020-09-24 23:26:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_open_report [2020-09-24 23:26:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_unregister_driver [2020-09-24 23:26:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_create_memless [2020-09-24 23:26:03,266 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-09-24 23:26:03,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 23:26:03,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 23:26:03,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-09-24 23:26:03,266 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-24 23:26:03,266 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 23:26:03,267 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-24 23:26:03,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 23:26:03,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-24 23:26:03,267 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-09-24 23:26:03,267 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-24 23:26:03,267 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-09-24 23:26:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-09-24 23:26:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 23:26:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 23:26:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-09-24 23:26:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-24 23:26:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-09-24 23:26:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 23:26:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 23:26:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 23:26:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-24 23:26:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 23:26:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 23:26:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 23:26:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 23:26:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-24 23:26:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-24 23:26:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-24 23:26:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-24 23:26:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-24 23:26:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-24 23:26:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-24 23:26:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hid_driver_1 [2020-09-24 23:26:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-24 23:26:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-24 23:26:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-09-24 23:26:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-09-24 23:26:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2020-09-24 23:26:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_create_memless [2020-09-24 23:26:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure __hid_register_driver [2020-09-24 23:26:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure hid_unregister_driver [2020-09-24 23:26:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure __hid_request [2020-09-24 23:26:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure hid_open_report [2020-09-24 23:26:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure hid_connect [2020-09-24 23:26:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure hid_disconnect [2020-09-24 23:26:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure hid_parse [2020-09-24 23:26:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_start [2020-09-24 23:26:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-09-24 23:26:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-24 23:26:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_stop [2020-09-24 23:26:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_open [2020-09-24 23:26:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_close [2020-09-24 23:26:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_request [2020-09-24 23:26:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure axff_play [2020-09-24 23:26:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 23:26:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 23:26:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 23:26:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 23:26:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure axff_init [2020-09-24 23:26:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure ax_probe [2020-09-24 23:26:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 23:26:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure ax_remove [2020-09-24 23:26:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure ax_driver_init [2020-09-24 23:26:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure ax_driver_exit [2020-09-24 23:26:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 23:26:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 23:26:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 23:26:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-09-24 23:26:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-24 23:26:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-09-24 23:26:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-09-24 23:26:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-09-24 23:26:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-09-24 23:26:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 23:26:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 23:26:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 23:26:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 23:26:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 23:26:04,326 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-24 23:26:04,790 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 23:26:04,790 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 23:26:04,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:26:04 BoogieIcfgContainer [2020-09-24 23:26:04,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 23:26:04,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 23:26:04,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 23:26:04,809 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 23:26:04,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 11:26:01" (1/3) ... [2020-09-24 23:26:04,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7434d318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:26:04, skipping insertion in model container [2020-09-24 23:26:04,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:03" (2/3) ... [2020-09-24 23:26:04,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7434d318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:26:04, skipping insertion in model container [2020-09-24 23:26:04,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:26:04" (3/3) ... [2020-09-24 23:26:04,822 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2020-09-24 23:26:04,838 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 23:26:04,855 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 23:26:04,882 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 23:26:04,935 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 23:26:04,935 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 23:26:04,936 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 23:26:04,936 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 23:26:04,936 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 23:26:04,936 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 23:26:04,936 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 23:26:04,937 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 23:26:04,993 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states. [2020-09-24 23:26:05,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-09-24 23:26:05,031 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:26:05,036 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:26:05,036 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:26:05,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:26:05,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1899615713, now seen corresponding path program 1 times [2020-09-24 23:26:05,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:26:05,098 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1519836545] [2020-09-24 23:26:05,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:26:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:05,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:06,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:08,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:09,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:09,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:10,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:10,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:10,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 301 [2020-09-24 23:26:10,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 23:26:10,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5072 [2020-09-24 23:26:10,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:10,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 23:26:10,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 260 [2020-09-24 23:26:10,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-24 23:26:10,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 23:26:11,320 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-24 23:26:11,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:26:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:11,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:11,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:11,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-09-24 23:26:11,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:11,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-09-24 23:26:11,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:11,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:11,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:11,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:11,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:11,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-24 23:26:11,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:11,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:11,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:11,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 23:26:11,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:11,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 23:26:11,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:11,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:11,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:11,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:11,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:11,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 23:26:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:11,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:11,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:11,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:26:11,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:11,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 23:26:11,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:11,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:11,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:11,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:11,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:11,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-24 23:26:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:11,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:11,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:11,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:26:11,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:11,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 23:26:11,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:11,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:11,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-24 23:26:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:11,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:11,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:11,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 23:26:11,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:11,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 23:26:11,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:11,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:11,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:11,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:11,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:11,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:26:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:11,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:11,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:11,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:26:11,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:11,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 23:26:11,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:11,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:11,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:11,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:11,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:11,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-24 23:26:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:11,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:11,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:11,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 23:26:11,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:11,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 23:26:11,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:11,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:11,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:11,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:11,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:11,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 23:26:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:11,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:11,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:11,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:26:11,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:11,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 23:26:11,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:11,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:11,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:11,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:11,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:11,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-09-24 23:26:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:11,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:11,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:11,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:26:11,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:11,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-24 23:26:11,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:11,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:26:11,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:11,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:26:11,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:12,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:26:12,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1519836545] [2020-09-24 23:26:12,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:26:12,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 23:26:12,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518403166] [2020-09-24 23:26:12,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 23:26:12,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:26:12,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 23:26:12,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 23:26:12,047 INFO L87 Difference]: Start difference. First operand 584 states. Second operand 6 states. [2020-09-24 23:26:12,336 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:14,578 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-09-24 23:26:15,044 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2020-09-24 23:26:15,496 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:16,019 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-24 23:26:16,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:26:16,911 INFO L93 Difference]: Finished difference Result 1066 states and 1187 transitions. [2020-09-24 23:26:16,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 23:26:16,915 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 268 [2020-09-24 23:26:16,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:26:16,939 INFO L225 Difference]: With dead ends: 1066 [2020-09-24 23:26:16,939 INFO L226 Difference]: Without dead ends: 597 [2020-09-24 23:26:16,948 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-24 23:26:16,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2020-09-24 23:26:17,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 492. [2020-09-24 23:26:17,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 492 states. [2020-09-24 23:26:17,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 522 transitions. [2020-09-24 23:26:17,065 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 522 transitions. Word has length 268 [2020-09-24 23:26:17,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:26:17,067 INFO L479 AbstractCegarLoop]: Abstraction has 492 states and 522 transitions. [2020-09-24 23:26:17,067 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 23:26:17,067 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 522 transitions. [2020-09-24 23:26:17,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-09-24 23:26:17,073 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:26:17,073 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:26:17,074 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 23:26:17,074 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:26:17,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:26:17,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1590188860, now seen corresponding path program 1 times [2020-09-24 23:26:17,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:26:17,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [381758967] [2020-09-24 23:26:17,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:26:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:17,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:17,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:18,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:19,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:22,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:22,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 303 [2020-09-24 23:26:22,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 23:26:22,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-24 23:26:22,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:22,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 23:26:22,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 207 [2020-09-24 23:26:22,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 23:26:22,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:22,583 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-24 23:26:22,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:26:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:22,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:22,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:22,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-09-24 23:26:22,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:22,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-24 23:26:22,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:22,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:22,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:22,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:22,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:22,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-24 23:26:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:22,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:22,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:22,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 23:26:22,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:22,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 23:26:22,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:22,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:22,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:22,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:22,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:22,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 23:26:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:22,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:22,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:22,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:26:22,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:22,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 23:26:22,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:22,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:22,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:22,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:22,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:22,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-24 23:26:22,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:22,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:22,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:22,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:26:22,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:22,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 23:26:22,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:22,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:22,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:22,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:22,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:22,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-24 23:26:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:22,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:22,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:22,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 23:26:22,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:22,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 23:26:22,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:22,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:22,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:22,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:22,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:22,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:26:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:22,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:22,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:22,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:26:22,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:22,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 23:26:22,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:22,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:22,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:22,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:22,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:22,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-24 23:26:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:22,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:23,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:23,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 23:26:23,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:23,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-24 23:26:23,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:23,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 23:26:23,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:23,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-24 23:26:23,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:23,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 23:26:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:23,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:23,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:23,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:26:23,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:23,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 23:26:23,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:23,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:26:23,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:23,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:26:23,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:23,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-09-24 23:26:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:23,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:23,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:23,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:26:23,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:23,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 23:26:23,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:23,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:23,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 23:26:23,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:23,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:23,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:26:23,296 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [381758967] [2020-09-24 23:26:23,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:26:23,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 23:26:23,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284894133] [2020-09-24 23:26:23,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 23:26:23,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:26:23,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 23:26:23,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-09-24 23:26:23,300 INFO L87 Difference]: Start difference. First operand 492 states and 522 transitions. Second operand 9 states. [2020-09-24 23:26:23,510 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:25,179 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:26:25,655 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-24 23:26:25,972 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-24 23:26:28,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:26:28,017 INFO L93 Difference]: Finished difference Result 967 states and 1055 transitions. [2020-09-24 23:26:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 23:26:28,017 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 270 [2020-09-24 23:26:28,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:26:28,034 INFO L225 Difference]: With dead ends: 967 [2020-09-24 23:26:28,034 INFO L226 Difference]: Without dead ends: 595 [2020-09-24 23:26:28,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2020-09-24 23:26:28,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2020-09-24 23:26:28,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 498. [2020-09-24 23:26:28,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 498 states. [2020-09-24 23:26:28,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 528 transitions. [2020-09-24 23:26:28,129 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 528 transitions. Word has length 270 [2020-09-24 23:26:28,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:26:28,131 INFO L479 AbstractCegarLoop]: Abstraction has 498 states and 528 transitions. [2020-09-24 23:26:28,131 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 23:26:28,131 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 528 transitions. [2020-09-24 23:26:28,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-09-24 23:26:28,137 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:26:28,137 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:26:28,137 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 23:26:28,138 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:26:28,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:26:28,138 INFO L82 PathProgramCache]: Analyzing trace with hash -2071323478, now seen corresponding path program 1 times [2020-09-24 23:26:28,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:26:28,139 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [625264155] [2020-09-24 23:26:28,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:26:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:28,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:28,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:28,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:29,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:29,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 317 [2020-09-24 23:26:29,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 23:26:29,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1222 [2020-09-24 23:26:29,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:29,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:26:29,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 139 [2020-09-24 23:26:29,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 23:26:29,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:29,775 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-24 23:26:29,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:26:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:29,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:29,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:29,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-09-24 23:26:29,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:29,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-09-24 23:26:29,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:29,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:29,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:29,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:29,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:30,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-24 23:26:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:30,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:30,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:30,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 23:26:30,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:30,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 23:26:30,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:30,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:30,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:30,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:30,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:30,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 23:26:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:30,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:30,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:30,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:26:30,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:30,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 23:26:30,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:30,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:30,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:30,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:30,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:30,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-24 23:26:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:30,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:30,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:30,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:26:30,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:30,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 23:26:30,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:30,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:30,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:26:30,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:30,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 23:26:30,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-24 23:26:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:30,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:30,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:30,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 23:26:30,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:30,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 23:26:30,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:30,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:30,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 23:26:30,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:30,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:30,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:26:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:30,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:30,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:30,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:26:30,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:30,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 23:26:30,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:30,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:30,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:30,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:30,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:30,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-24 23:26:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:30,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:30,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:30,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-24 23:26:30,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:30,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 23:26:30,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:30,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:30,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-24 23:26:30,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:30,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:30,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 23:26:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:30,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:30,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:30,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:26:30,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:30,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 23:26:30,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:30,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:30,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:30,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:30,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:30,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-24 23:26:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:30,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:30,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:30,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 23:26:30,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:30,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 23:26:30,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:30,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:30,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:30,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:30,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:30,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-24 23:26:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:30,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:30,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:30,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:26:30,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:30,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 23:26:30,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:30,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:30,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 23:26:30,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:30,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:30,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:26:30,427 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [625264155] [2020-09-24 23:26:30,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:26:30,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 23:26:30,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706242646] [2020-09-24 23:26:30,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 23:26:30,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:26:30,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 23:26:30,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 23:26:30,433 INFO L87 Difference]: Start difference. First operand 498 states and 528 transitions. Second operand 5 states. [2020-09-24 23:26:30,625 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:31,313 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:31,600 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-09-24 23:26:33,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:26:33,855 INFO L93 Difference]: Finished difference Result 1098 states and 1203 transitions. [2020-09-24 23:26:33,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 23:26:33,856 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 282 [2020-09-24 23:26:33,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:26:33,862 INFO L225 Difference]: With dead ends: 1098 [2020-09-24 23:26:33,862 INFO L226 Difference]: Without dead ends: 720 [2020-09-24 23:26:33,864 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-09-24 23:26:33,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2020-09-24 23:26:33,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 580. [2020-09-24 23:26:33,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-09-24 23:26:33,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 620 transitions. [2020-09-24 23:26:33,906 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 620 transitions. Word has length 282 [2020-09-24 23:26:33,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:26:33,907 INFO L479 AbstractCegarLoop]: Abstraction has 580 states and 620 transitions. [2020-09-24 23:26:33,907 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 23:26:33,907 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 620 transitions. [2020-09-24 23:26:33,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-09-24 23:26:33,912 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:26:33,913 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:26:33,913 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 23:26:33,913 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:26:33,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:26:33,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1037036584, now seen corresponding path program 1 times [2020-09-24 23:26:33,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:26:33,914 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [778837999] [2020-09-24 23:26:33,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:26:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:34,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:34,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:34,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 384 [2020-09-24 23:26:34,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:34,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 612 [2020-09-24 23:26:34,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:34,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:26:34,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-09-24 23:26:34,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 274 [2020-09-24 23:26:34,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:35,174 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-24 23:26:35,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:26:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:35,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:35,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:35,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-09-24 23:26:35,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:35,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 332 [2020-09-24 23:26:35,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:35,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:26:35,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:35,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-09-24 23:26:35,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:35,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-24 23:26:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:35,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:35,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:35,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 23:26:35,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:35,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 23:26:35,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:35,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:26:35,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:35,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 23:26:35,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:35,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 23:26:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:35,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:35,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:35,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:26:35,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:35,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 23:26:35,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:35,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:26:35,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:35,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:26:35,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:35,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 23:26:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:35,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:35,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:35,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 23:26:35,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:35,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-24 23:26:35,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:35,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:26:35,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:35,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 23:26:35,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:35,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:26:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:35,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:35,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:35,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:26:35,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:35,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 23:26:35,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:35,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:35,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:35,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:35,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:35,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-09-24 23:26:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:35,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:35,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:35,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 23:26:35,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:35,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-24 23:26:35,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:35,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:26:35,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:35,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 23:26:35,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:35,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:26:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:35,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:35,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:35,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 23:26:35,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:35,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 23:26:35,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:35,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:35,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:35,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:35,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:35,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-24 23:26:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:35,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:35,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:35,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:26:35,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:35,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 23:26:35,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:35,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:26:35,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:35,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:26:35,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:36,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-24 23:26:36,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:36,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:36,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:36,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 23:26:36,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:36,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 23:26:36,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:36,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:26:36,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:36,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 23:26:36,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:36,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:26:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:36,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:36,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:36,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:26:36,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:36,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 23:26:36,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:36,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:36,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:36,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:36,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:36,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-09-24 23:26:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:36,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:36,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:36,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-24 23:26:36,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:36,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-09-24 23:26:36,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:36,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:26:36,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:36,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 23:26:36,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:36,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 23:26:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:36,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:36,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:36,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:26:36,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:36,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 23:26:36,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:36,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:36,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:36,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:36,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:36,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-24 23:26:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:36,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:36,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:36,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 23:26:36,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:36,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 23:26:36,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:36,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:36,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:36,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:36,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:36,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2020-09-24 23:26:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:36,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:36,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:36,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:26:36,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:36,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 23:26:36,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:36,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:26:36,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:36,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:26:36,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:36,532 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-24 23:26:36,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [778837999] [2020-09-24 23:26:36,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:26:36,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 23:26:36,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286788656] [2020-09-24 23:26:36,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 23:26:36,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:26:36,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 23:26:36,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-24 23:26:36,537 INFO L87 Difference]: Start difference. First operand 580 states and 620 transitions. Second operand 6 states. [2020-09-24 23:26:36,733 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:37,345 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:37,614 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-09-24 23:26:39,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:26:39,037 INFO L93 Difference]: Finished difference Result 761 states and 848 transitions. [2020-09-24 23:26:39,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 23:26:39,038 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 341 [2020-09-24 23:26:39,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:26:39,039 INFO L225 Difference]: With dead ends: 761 [2020-09-24 23:26:39,039 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 23:26:39,041 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-09-24 23:26:39,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 23:26:39,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 23:26:39,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 23:26:39,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 23:26:39,042 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 341 [2020-09-24 23:26:39,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:26:39,043 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 23:26:39,043 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 23:26:39,043 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 23:26:39,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 23:26:39,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 23:26:39,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 23:26:39,221 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-09-24 23:26:39,377 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:39,539 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2020-09-24 23:26:39,694 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-09-24 23:26:39,850 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:40,024 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:26:40,187 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:40,334 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:40,480 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:40,623 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:40,762 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:40,902 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:41,037 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:41,185 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:41,688 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 180 [2020-09-24 23:26:41,832 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:41,973 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:42,113 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-09-24 23:26:42,248 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:42,387 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:42,519 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:42,650 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:42,786 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:43,000 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 177 [2020-09-24 23:26:43,136 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:43,272 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:43,410 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:43,886 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 180 [2020-09-24 23:26:44,027 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-09-24 23:26:44,162 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:44,305 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-09-24 23:26:44,445 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-09-24 23:26:44,580 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:44,714 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:44,845 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:44,976 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:45,108 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:45,239 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:45,370 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:45,519 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:26:45,650 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:45,787 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:45,928 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-09-24 23:26:46,064 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:46,204 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-09-24 23:26:46,344 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-09-24 23:26:46,479 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:46,613 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:46,754 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:46,888 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:47,023 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:47,161 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:47,300 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-09-24 23:26:47,441 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-09-24 23:26:47,655 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 177 [2020-09-24 23:26:47,797 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-09-24 23:26:47,933 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:48,070 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:48,210 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:48,346 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:48,477 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:48,612 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:48,744 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:48,888 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-09-24 23:26:49,025 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:49,156 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:49,287 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:49,418 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:49,548 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:49,679 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:49,810 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:49,959 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:50,094 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:50,312 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:50,449 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:50,583 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:50,714 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:51,187 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 180 [2020-09-24 23:26:51,326 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-09-24 23:26:51,462 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:51,597 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:51,734 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:51,872 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 23:26:52,081 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 177 [2020-09-24 23:26:52,211 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:52,341 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:52,472 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:52,603 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 23:26:52,734 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 178