/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=BIGGEST --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--input--gameport--ns558.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 21:11:56,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 21:11:56,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 21:11:56,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 21:11:56,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 21:11:56,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 21:11:56,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 21:11:56,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 21:11:56,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 21:11:56,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 21:11:56,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 21:11:56,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 21:11:56,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 21:11:56,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 21:11:56,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 21:11:56,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 21:11:56,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 21:11:56,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 21:11:56,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 21:11:57,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 21:11:57,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 21:11:57,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 21:11:57,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 21:11:57,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 21:11:57,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 21:11:57,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 21:11:57,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 21:11:57,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 21:11:57,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 21:11:57,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 21:11:57,024 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 21:11:57,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 21:11:57,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 21:11:57,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 21:11:57,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 21:11:57,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 21:11:57,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 21:11:57,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 21:11:57,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 21:11:57,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 21:11:57,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 21:11:57,034 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 21:11:57,079 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 21:11:57,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 21:11:57,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 21:11:57,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 21:11:57,082 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 21:11:57,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 21:11:57,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 21:11:57,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 21:11:57,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 21:11:57,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 21:11:57,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 21:11:57,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 21:11:57,085 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 21:11:57,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 21:11:57,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 21:11:57,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 21:11:57,086 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 21:11:57,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 21:11:57,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 21:11:57,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 21:11:57,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 21:11:57,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 21:11:57,087 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 21:11:57,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 21:11:57,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 21:11:57,088 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 21:11:57,088 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 21:11:57,088 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true; [2020-09-24 21:11:57,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 21:11:57,562 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 21:11:57,569 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 21:11:57,571 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 21:11:57,571 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 21:11:57,573 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-09-24 21:11:57,650 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8cfc3b765/e3c8465d340c4445bf0a6c157cf1b27d/FLAG8c91aea66 [2020-09-24 21:11:58,331 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 21:11:58,332 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-09-24 21:11:58,362 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8cfc3b765/e3c8465d340c4445bf0a6c157cf1b27d/FLAG8c91aea66 [2020-09-24 21:11:58,496 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8cfc3b765/e3c8465d340c4445bf0a6c157cf1b27d [2020-09-24 21:11:58,510 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 21:11:58,517 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 21:11:58,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 21:11:58,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 21:11:58,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 21:11:58,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:11:58" (1/1) ... [2020-09-24 21:11:58,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c29ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:58, skipping insertion in model container [2020-09-24 21:11:58,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:11:58" (1/1) ... [2020-09-24 21:11:58,543 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 21:11:58,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 21:11:59,159 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2020-09-24 21:11:59,160 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1324-1325] [2020-09-24 21:11:59,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:11:59,563 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 21:11:59,617 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2020-09-24 21:11:59,617 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1324-1325] [2020-09-24 21:11:59,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:11:59,766 INFO L208 MainTranslator]: Completed translation [2020-09-24 21:11:59,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:59 WrapperNode [2020-09-24 21:11:59,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 21:11:59,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 21:11:59,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 21:11:59,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 21:11:59,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:59" (1/1) ... [2020-09-24 21:11:59,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:59" (1/1) ... [2020-09-24 21:11:59,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:59" (1/1) ... [2020-09-24 21:11:59,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:59" (1/1) ... [2020-09-24 21:11:59,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:59" (1/1) ... [2020-09-24 21:11:59,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:59" (1/1) ... [2020-09-24 21:11:59,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:59" (1/1) ... [2020-09-24 21:11:59,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 21:11:59,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 21:11:59,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 21:11:59,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 21:11:59,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:59" (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 21:12:00,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 21:12:00,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 21:12:00,037 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-09-24 21:12:00,038 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-09-24 21:12:00,038 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-09-24 21:12:00,038 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2020-09-24 21:12:00,038 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-09-24 21:12:00,039 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-09-24 21:12:00,039 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-09-24 21:12:00,039 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 21:12:00,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 21:12:00,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-24 21:12:00,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-24 21:12:00,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-24 21:12:00,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-24 21:12:00,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-24 21:12:00,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-24 21:12:00,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-24 21:12:00,041 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-09-24 21:12:00,041 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2020-09-24 21:12:00,042 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2020-09-24 21:12:00,042 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2020-09-24 21:12:00,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2020-09-24 21:12:00,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_len [2020-09-24 21:12:00,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2020-09-24 21:12:00,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2020-09-24 21:12:00,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_len [2020-09-24 21:12:00,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_isa_probe [2020-09-24 21:12:00,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_pnp_probe [2020-09-24 21:12:00,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_init [2020-09-24 21:12:00,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_exit [2020-09-24 21:12:00,044 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 21:12:00,044 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-24 21:12:00,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-09-24 21:12:00,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-24 21:12:00,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-09-24 21:12:00,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-09-24 21:12:00,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-09-24 21:12:00,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-09-24 21:12:00,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2020-09-24 21:12:00,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-09-24 21:12:00,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-09-24 21:12:00,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-09-24 21:12:00,046 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2020-09-24 21:12:00,046 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_port [2020-09-24 21:12:00,046 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-09-24 21:12:00,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 21:12:00,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 21:12:00,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2020-09-24 21:12:00,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-09-24 21:12:00,050 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-09-24 21:12:00,050 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2020-09-24 21:12:00,050 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_register_driver [2020-09-24 21:12:00,050 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_unregister_driver [2020-09-24 21:12:00,050 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-24 21:12:00,051 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2020-09-24 21:12:00,051 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 21:12:00,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-24 21:12:00,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 21:12:00,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-24 21:12:00,052 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-24 21:12:00,052 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-09-24 21:12:00,052 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-09-24 21:12:00,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 21:12:00,052 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-09-24 21:12:00,053 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-09-24 21:12:00,053 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2020-09-24 21:12:00,053 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2020-09-24 21:12:00,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 21:12:00,053 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-09-24 21:12:00,053 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-09-24 21:12:00,053 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-09-24 21:12:00,053 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-09-24 21:12:00,054 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-09-24 21:12:00,054 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 21:12:00,055 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-09-24 21:12:00,055 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-24 21:12:00,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-09-24 21:12:00,055 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 21:12:00,055 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 21:12:00,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 21:12:00,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-24 21:12:00,056 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 21:12:00,056 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 21:12:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 21:12:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 21:12:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-24 21:12:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-24 21:12:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-24 21:12:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-24 21:12:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-24 21:12:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-24 21:12:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-24 21:12:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-09-24 21:12:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-09-24 21:12:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2020-09-24 21:12:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_port [2020-09-24 21:12:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2020-09-24 21:12:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2020-09-24 21:12:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2020-09-24 21:12:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2020-09-24 21:12:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2020-09-24 21:12:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2020-09-24 21:12:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_len [2020-09-24 21:12:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2020-09-24 21:12:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2020-09-24 21:12:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_len [2020-09-24 21:12:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_register_driver [2020-09-24 21:12:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_unregister_driver [2020-09-24 21:12:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_isa_probe [2020-09-24 21:12:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 21:12:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 21:12:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 21:12:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_pnp_probe [2020-09-24 21:12:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_init [2020-09-24 21:12:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_exit [2020-09-24 21:12:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 21:12:00,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 21:12:00,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2020-09-24 21:12:00,063 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 21:12:00,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-09-24 21:12:00,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-24 21:12:00,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-09-24 21:12:00,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-09-24 21:12:00,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-09-24 21:12:00,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-09-24 21:12:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 21:12:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 21:12:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 21:12:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 21:12:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 21:12:00,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 21:12:00,743 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-24 21:12:01,661 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 21:12:01,662 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 21:12:01,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:12:01 BoogieIcfgContainer [2020-09-24 21:12:01,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 21:12:01,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 21:12:01,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 21:12:01,687 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 21:12:01,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 09:11:58" (1/3) ... [2020-09-24 21:12:01,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ec7447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:12:01, skipping insertion in model container [2020-09-24 21:12:01,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:59" (2/3) ... [2020-09-24 21:12:01,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ec7447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:12:01, skipping insertion in model container [2020-09-24 21:12:01,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:12:01" (3/3) ... [2020-09-24 21:12:01,703 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-09-24 21:12:01,722 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 21:12:01,734 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 21:12:01,757 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 21:12:01,794 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 21:12:01,795 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 21:12:01,795 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 21:12:01,795 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 21:12:01,795 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 21:12:01,795 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 21:12:01,795 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 21:12:01,796 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 21:12:01,895 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states. [2020-09-24 21:12:01,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2020-09-24 21:12:01,947 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:12:01,949 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:01,950 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:12:01,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:12:01,963 INFO L82 PathProgramCache]: Analyzing trace with hash 965266846, now seen corresponding path program 1 times [2020-09-24 21:12:01,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:12:01,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1960734605] [2020-09-24 21:12:01,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:12:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:02,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:03,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:06,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:07,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:07,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:07,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:07,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 509 [2020-09-24 21:12:07,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 21:12:07,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5093 [2020-09-24 21:12:07,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:07,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 21:12:07,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 431 [2020-09-24 21:12:07,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 21:12:07,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 21:12:08,159 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-24 21:12:08,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:12:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:08,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:08,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:08,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-24 21:12:08,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:08,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-09-24 21:12:08,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:08,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:08,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:08,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:08,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:12:08,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-24 21:12:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:08,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:08,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:08,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 21:12:08,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:08,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 21:12:08,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:08,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:08,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:08,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:08,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 21:12:08,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-24 21:12:08,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:08,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:08,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:08,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 21:12:08,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:08,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 21:12:08,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:08,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:08,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:08,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:08,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:08,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-24 21:12:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:08,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:08,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:08,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:12:08,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:08,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 21:12:08,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:08,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:08,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:08,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:08,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:12:08,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2020-09-24 21:12:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:08,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:08,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:08,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:12:08,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:08,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 21:12:08,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:08,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:08,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:08,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:08,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:12:08,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2020-09-24 21:12:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:08,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:09,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:09,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 21:12:09,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:09,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-24 21:12:09,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:09,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:12:09,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:09,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 21:12:09,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 21:12:09,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 21:12:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:09,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:09,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:09,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 21:12:09,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:09,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-24 21:12:09,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:09,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 21:12:09,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:09,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 21:12:09,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:09,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-09-24 21:12:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:09,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:09,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:09,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:12:09,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:09,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:12:09,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:09,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:09,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:12:09,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:09,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:09,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-24 21:12:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:09,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:09,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:09,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:12:09,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:09,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 21:12:09,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:09,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:09,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 21:12:09,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:09,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:09,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-09-24 21:12:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:09,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:09,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:09,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:12:09,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:09,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 21:12:09,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:09,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:09,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:12:09,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:09,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:09,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-09-24 21:12:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:09,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:09,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:09,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:12:09,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:09,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 21:12:09,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:09,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:09,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 21:12:09,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:09,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:09,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-09-24 21:12:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:09,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:09,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:09,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:12:09,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:09,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:12:09,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:09,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:09,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:12:09,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:09,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:09,600 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-24 21:12:09,601 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1960734605] [2020-09-24 21:12:09,603 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:12:09,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 21:12:09,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159982175] [2020-09-24 21:12:09,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 21:12:09,616 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:12:09,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 21:12:09,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 21:12:09,638 INFO L87 Difference]: Start difference. First operand 921 states. Second operand 10 states. [2020-09-24 21:12:09,909 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-24 21:12:13,040 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-09-24 21:12:14,408 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-09-24 21:12:14,634 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-09-24 21:12:14,848 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-09-24 21:12:15,078 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-24 21:12:15,311 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-09-24 21:12:15,525 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-09-24 21:12:18,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:12:18,435 INFO L93 Difference]: Finished difference Result 1783 states and 2086 transitions. [2020-09-24 21:12:18,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 21:12:18,438 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 470 [2020-09-24 21:12:18,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:12:18,469 INFO L225 Difference]: With dead ends: 1783 [2020-09-24 21:12:18,469 INFO L226 Difference]: Without dead ends: 1092 [2020-09-24 21:12:18,481 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2020-09-24 21:12:18,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2020-09-24 21:12:18,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 854. [2020-09-24 21:12:18,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 854 states. [2020-09-24 21:12:18,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 934 transitions. [2020-09-24 21:12:18,648 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 934 transitions. Word has length 470 [2020-09-24 21:12:18,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:12:18,650 INFO L479 AbstractCegarLoop]: Abstraction has 854 states and 934 transitions. [2020-09-24 21:12:18,650 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 21:12:18,650 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 934 transitions. [2020-09-24 21:12:18,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2020-09-24 21:12:18,662 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:12:18,663 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:18,663 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 21:12:18,663 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:12:18,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:12:18,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1157963106, now seen corresponding path program 1 times [2020-09-24 21:12:18,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:12:18,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [78371401] [2020-09-24 21:12:18,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:12:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:18,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:19,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:19,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:20,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:20,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:21,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:23,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:23,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 519 [2020-09-24 21:12:23,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 21:12:23,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-09-24 21:12:23,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:23,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 21:12:23,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 501 [2020-09-24 21:12:23,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:12:23,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:24,095 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-24 21:12:24,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:12:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:24,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:24,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:24,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-24 21:12:24,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:24,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-09-24 21:12:24,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:24,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:24,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:24,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:24,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:24,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-24 21:12:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:24,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:24,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:24,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 21:12:24,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:24,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 21:12:24,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:24,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:24,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:24,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:24,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:24,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-24 21:12:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:24,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:24,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:24,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 21:12:24,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:24,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 21:12:24,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:24,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:24,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:24,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:24,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:24,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-24 21:12:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:24,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:24,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:24,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:12:24,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:24,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:12:24,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:24,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:24,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:24,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:24,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:24,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2020-09-24 21:12:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:24,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:24,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:24,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:12:24,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:24,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 21:12:24,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:24,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:24,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:24,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:24,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:24,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2020-09-24 21:12:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:24,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:24,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:24,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-24 21:12:24,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:24,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 21:12:24,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:24,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:24,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:24,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:24,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:12:24,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 21:12:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:24,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:24,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:24,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 21:12:24,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:24,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 21:12:24,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:24,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:24,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:24,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:24,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:12:24,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 21:12:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:24,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:24,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:24,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:12:24,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:24,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 21:12:24,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:24,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:24,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:24,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:24,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:12:24,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-24 21:12:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:24,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:24,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:24,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:12:24,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:24,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 21:12:24,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:24,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:24,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:24,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:24,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:24,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2020-09-24 21:12:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:24,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:24,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:24,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:12:24,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:24,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 21:12:24,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:24,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:24,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:24,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:24,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:24,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-09-24 21:12:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:24,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:24,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:24,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:12:24,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:24,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 21:12:24,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:24,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:24,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:24,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:24,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 21:12:24,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-09-24 21:12:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:24,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:24,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:24,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:12:24,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:24,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:12:24,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:24,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:24,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:24,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:24,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:24,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2020-09-24 21:12:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:24,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:24,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:24,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:12:24,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:24,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 21:12:24,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:24,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:24,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:24,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:24,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:24,947 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-24 21:12:24,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [78371401] [2020-09-24 21:12:24,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:12:24,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 21:12:24,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214097408] [2020-09-24 21:12:24,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 21:12:24,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:12:24,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 21:12:24,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-24 21:12:24,956 INFO L87 Difference]: Start difference. First operand 854 states and 934 transitions. Second operand 7 states. [2020-09-24 21:12:25,164 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-24 21:12:30,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:12:30,674 INFO L93 Difference]: Finished difference Result 1697 states and 1972 transitions. [2020-09-24 21:12:30,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 21:12:30,675 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 478 [2020-09-24 21:12:30,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:12:30,684 INFO L225 Difference]: With dead ends: 1697 [2020-09-24 21:12:30,684 INFO L226 Difference]: Without dead ends: 1177 [2020-09-24 21:12:30,687 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-24 21:12:30,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2020-09-24 21:12:30,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 892. [2020-09-24 21:12:30,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 892 states. [2020-09-24 21:12:30,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 892 states and 987 transitions. [2020-09-24 21:12:30,744 INFO L78 Accepts]: Start accepts. Automaton has 892 states and 987 transitions. Word has length 478 [2020-09-24 21:12:30,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:12:30,745 INFO L479 AbstractCegarLoop]: Abstraction has 892 states and 987 transitions. [2020-09-24 21:12:30,746 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 21:12:30,746 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 987 transitions. [2020-09-24 21:12:30,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2020-09-24 21:12:30,758 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:12:30,759 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:30,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 21:12:30,759 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:12:30,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:12:30,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1164133881, now seen corresponding path program 1 times [2020-09-24 21:12:30,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:12:30,760 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1503121968] [2020-09-24 21:12:30,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:12:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:30,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:31,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:31,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:35,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:35,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 577 [2020-09-24 21:12:35,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:12:35,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5073 [2020-09-24 21:12:35,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:35,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 21:12:35,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 452 [2020-09-24 21:12:35,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 21:12:35,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:36,183 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-24 21:12:36,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:12:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:36,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:36,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:36,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-24 21:12:36,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:36,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-09-24 21:12:36,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:36,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:36,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:36,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:36,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:12:36,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-24 21:12:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:36,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:36,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:36,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 21:12:36,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:36,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 21:12:36,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:36,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:36,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:36,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:36,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:12:36,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-24 21:12:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:36,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:36,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:36,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 21:12:36,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:36,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 21:12:36,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:36,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:36,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:36,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:36,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:36,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-24 21:12:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:36,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:36,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:36,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:12:36,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:36,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:12:36,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:36,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:36,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:36,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:36,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:36,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-09-24 21:12:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:36,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:36,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:36,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:36,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 21:12:36,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:12:36,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-09-24 21:12:36,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:36,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 21:12:36,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 21:12:36,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 21:12:36,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:36,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 21:12:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:36,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:37,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:37,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 21:12:37,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:37,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-24 21:12:37,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:37,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:12:37,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:37,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 21:12:37,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:37,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:12:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:37,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:37,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:37,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 21:12:37,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:37,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 21:12:37,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:37,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 21:12:37,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:37,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 21:12:37,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:37,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 21:12:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:37,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:37,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:37,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:12:37,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:37,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-24 21:12:37,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:37,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 21:12:37,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 21:12:37,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:12:37,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:37,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-09-24 21:12:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:37,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:37,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:38,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:38,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 21:12:38,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:12:38,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 774 [2020-09-24 21:12:38,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:38,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 21:12:38,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-24 21:12:38,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 21:12:38,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:12:38,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 21:12:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:38,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:38,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:38,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 21:12:38,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:38,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-24 21:12:38,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:38,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:12:38,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:38,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 21:12:38,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:38,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:12:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:38,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:38,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:38,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 21:12:38,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:38,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-24 21:12:38,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:38,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 21:12:38,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:38,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 21:12:38,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:38,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 21:12:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:38,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:38,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:38,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:12:38,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:38,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 21:12:38,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:38,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 21:12:38,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 21:12:38,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:12:38,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:38,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2020-09-24 21:12:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:38,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:38,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:38,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:39,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:39,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-24 21:12:39,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:12:39,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 722 [2020-09-24 21:12:39,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:39,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 21:12:39,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 21:12:39,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 21:12:39,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:12:39,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 21:12:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:39,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:39,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:39,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 21:12:39,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:39,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-24 21:12:39,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:39,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:12:39,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:39,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 21:12:39,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:12:39,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:12:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:39,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:39,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:39,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 21:12:39,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:39,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-24 21:12:39,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:39,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 21:12:39,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:39,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 21:12:39,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:12:39,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 21:12:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:39,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:39,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:39,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:12:39,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:39,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 21:12:39,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:39,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 21:12:39,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 21:12:39,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:12:39,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:39,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2020-09-24 21:12:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:39,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:39,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:39,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 21:12:39,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:39,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 21:12:39,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:39,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:39,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 21:12:39,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:39,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:39,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 21:12:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:39,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:39,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:39,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 21:12:39,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:39,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 21:12:39,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:39,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:39,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:39,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:39,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:40,089 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-09-24 21:12:40,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1503121968] [2020-09-24 21:12:40,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 21:12:40,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-09-24 21:12:40,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389072689] [2020-09-24 21:12:40,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-09-24 21:12:40,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:12:40,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-09-24 21:12:40,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=415, Unknown=0, NotChecked=0, Total=462 [2020-09-24 21:12:40,093 INFO L87 Difference]: Start difference. First operand 892 states and 987 transitions. Second operand 22 states. [2020-09-24 21:12:40,274 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-24 21:12:43,738 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-09-24 21:12:44,044 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-09-24 21:12:44,326 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-09-24 21:12:44,626 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-09-24 21:12:44,963 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-24 21:12:45,252 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-09-24 21:12:45,526 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-24 21:12:45,798 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-24 21:12:46,058 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 152