/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=HIGHLEXORDER --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 23:25:59,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 23:25:59,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 23:25:59,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 23:25:59,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 23:25:59,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 23:25:59,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 23:25:59,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 23:25:59,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 23:25:59,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 23:25:59,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 23:25:59,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 23:25:59,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 23:25:59,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 23:25:59,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 23:25:59,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 23:25:59,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 23:25:59,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 23:25:59,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 23:25:59,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 23:25:59,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 23:25:59,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 23:25:59,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 23:25:59,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 23:25:59,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 23:25:59,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 23:25:59,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 23:26:00,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 23:26:00,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 23:26:00,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 23:26:00,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 23:26:00,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 23:26:00,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 23:26:00,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 23:26:00,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 23:26:00,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 23:26:00,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 23:26:00,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 23:26:00,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 23:26:00,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 23:26:00,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 23:26:00,016 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-24 23:26:00,072 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 23:26:00,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 23:26:00,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 23:26:00,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 23:26:00,078 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 23:26:00,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 23:26:00,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 23:26:00,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 23:26:00,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 23:26:00,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 23:26:00,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 23:26:00,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 23:26:00,080 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 23:26:00,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 23:26:00,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 23:26:00,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 23:26:00,082 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 23:26:00,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 23:26:00,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 23:26:00,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 23:26:00,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 23:26:00,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 23:26:00,083 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 23:26:00,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 23:26:00,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 23:26:00,084 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 23:26:00,084 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 23:26:00,084 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; [2020-09-24 23:26:00,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 23:26:00,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 23:26:00,597 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 23:26:00,599 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 23:26:00,600 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 23:26:00,601 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-09-24 23:26:00,693 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2c74a3038/20570b11307c4a4dbfd47869c9cf321f/FLAG44d6ac6f4 [2020-09-24 23:26:01,434 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 23:26:01,435 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-09-24 23:26:01,456 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2c74a3038/20570b11307c4a4dbfd47869c9cf321f/FLAG44d6ac6f4 [2020-09-24 23:26:01,578 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2c74a3038/20570b11307c4a4dbfd47869c9cf321f [2020-09-24 23:26:01,590 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 23:26:01,596 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 23:26:01,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 23:26:01,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 23:26:01,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 23:26:01,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:26:01" (1/1) ... [2020-09-24 23:26:01,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30374a55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:01, skipping insertion in model container [2020-09-24 23:26:01,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:26:01" (1/1) ... [2020-09-24 23:26:01,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 23:26:01,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 23:26:02,238 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 23:26:02,238 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 23:26:02,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:26:02,598 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 23:26:02,679 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 23:26:02,679 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 23:26:02,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:26:02,863 INFO L208 MainTranslator]: Completed translation [2020-09-24 23:26:02,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:02 WrapperNode [2020-09-24 23:26:02,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 23:26:02,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 23:26:02,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 23:26:02,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 23:26:02,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:02" (1/1) ... [2020-09-24 23:26:02,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:02" (1/1) ... [2020-09-24 23:26:02,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:02" (1/1) ... [2020-09-24 23:26:02,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:02" (1/1) ... [2020-09-24 23:26:02,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:02" (1/1) ... [2020-09-24 23:26:02,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:02" (1/1) ... [2020-09-24 23:26:02,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:02" (1/1) ... [2020-09-24 23:26:03,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 23:26:03,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 23:26:03,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 23:26:03,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 23:26:03,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:02" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 23:26:03,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 23:26:03,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 23:26:03,104 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-09-24 23:26:03,104 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-09-24 23:26:03,104 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-09-24 23:26:03,105 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2020-09-24 23:26:03,106 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-09-24 23:26:03,106 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-09-24 23:26:03,106 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-09-24 23:26:03,106 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 23:26:03,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 23:26:03,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-24 23:26:03,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-24 23:26:03,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-24 23:26:03,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-24 23:26:03,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-24 23:26:03,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-24 23:26:03,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-24 23:26:03,112 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-09-24 23:26:03,112 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2020-09-24 23:26:03,113 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2020-09-24 23:26:03,115 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2020-09-24 23:26:03,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2020-09-24 23:26:03,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_len [2020-09-24 23:26:03,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2020-09-24 23:26:03,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2020-09-24 23:26:03,116 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_len [2020-09-24 23:26:03,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_isa_probe [2020-09-24 23:26:03,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_pnp_probe [2020-09-24 23:26:03,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_init [2020-09-24 23:26:03,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_exit [2020-09-24 23:26:03,117 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 23:26:03,117 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-24 23:26:03,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-09-24 23:26:03,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-24 23:26:03,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-09-24 23:26:03,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-09-24 23:26:03,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-09-24 23:26:03,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-09-24 23:26:03,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2020-09-24 23:26:03,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-09-24 23:26:03,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-09-24 23:26:03,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-09-24 23:26:03,120 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2020-09-24 23:26:03,120 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_port [2020-09-24 23:26:03,121 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-09-24 23:26:03,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 23:26:03,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 23:26:03,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2020-09-24 23:26:03,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-09-24 23:26:03,122 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-09-24 23:26:03,122 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2020-09-24 23:26:03,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_register_driver [2020-09-24 23:26:03,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_unregister_driver [2020-09-24 23:26:03,123 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-24 23:26:03,123 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2020-09-24 23:26:03,123 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 23:26:03,124 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-24 23:26:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 23:26:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-24 23:26:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-24 23:26:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-09-24 23:26:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-09-24 23:26:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 23:26:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-09-24 23:26:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-09-24 23:26:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2020-09-24 23:26:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2020-09-24 23:26:03,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 23:26:03,127 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-09-24 23:26:03,128 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-09-24 23:26:03,128 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-09-24 23:26:03,129 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-09-24 23:26:03,129 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-09-24 23:26:03,129 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 23:26:03,129 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-09-24 23:26:03,129 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-24 23:26:03,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-09-24 23:26:03,130 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 23:26:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 23:26:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 23:26:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-24 23:26:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 23:26:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 23:26:03,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 23:26:03,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 23:26:03,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-24 23:26:03,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-24 23:26:03,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-24 23:26:03,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-24 23:26:03,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-24 23:26:03,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-24 23:26:03,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-24 23:26:03,133 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-09-24 23:26:03,133 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-09-24 23:26:03,133 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2020-09-24 23:26:03,134 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_port [2020-09-24 23:26:03,134 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2020-09-24 23:26:03,134 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2020-09-24 23:26:03,134 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2020-09-24 23:26:03,134 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2020-09-24 23:26:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2020-09-24 23:26:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2020-09-24 23:26:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_len [2020-09-24 23:26:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2020-09-24 23:26:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2020-09-24 23:26:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_len [2020-09-24 23:26:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_register_driver [2020-09-24 23:26:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_unregister_driver [2020-09-24 23:26:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_isa_probe [2020-09-24 23:26:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 23:26:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 23:26:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 23:26:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_pnp_probe [2020-09-24 23:26:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_init [2020-09-24 23:26:03,138 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_exit [2020-09-24 23:26:03,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 23:26:03,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 23:26:03,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2020-09-24 23:26:03,139 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 23:26:03,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-09-24 23:26:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-24 23:26:03,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-09-24 23:26:03,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-09-24 23:26:03,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-09-24 23:26:03,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-09-24 23:26:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 23:26:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 23:26:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 23:26:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 23:26:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 23:26:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 23:26:03,864 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-24 23:26:04,729 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 23:26:04,730 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 23:26:04,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:26:04 BoogieIcfgContainer [2020-09-24 23:26:04,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 23:26:04,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 23:26:04,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 23:26:04,746 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 23:26:04,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 11:26:01" (1/3) ... [2020-09-24 23:26:04,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a5cb84e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:26:04, skipping insertion in model container [2020-09-24 23:26:04,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:02" (2/3) ... [2020-09-24 23:26:04,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a5cb84e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:26:04, skipping insertion in model container [2020-09-24 23:26:04,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:26:04" (3/3) ... [2020-09-24 23:26:04,752 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 23:26:04,765 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 23:26:04,777 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 23:26:04,801 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 23:26:04,840 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 23:26:04,840 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 23:26:04,841 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 23:26:04,841 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 23:26:04,841 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 23:26:04,841 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 23:26:04,841 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 23:26:04,841 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 23:26:04,926 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states. [2020-09-24 23:26:04,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2020-09-24 23:26:04,961 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:26:04,963 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 23:26:04,963 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:26:04,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:26:04,973 INFO L82 PathProgramCache]: Analyzing trace with hash 965266846, now seen corresponding path program 1 times [2020-09-24 23:26:04,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:26:04,986 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2046282137] [2020-09-24 23:26:04,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:26:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:05,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:06,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:09,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:09,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:10,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:10,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:10,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:10,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 509 [2020-09-24 23:26:10,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 23:26:10,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5131 [2020-09-24 23:26:10,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:10,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:26:10,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 491 [2020-09-24 23:26:10,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 23:26:10,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 23:26:11,243 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-24 23:26:11,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:26:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:11,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:11,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:11,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-24 23:26:11,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:11,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-09-24 23:26:11,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:11,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:11,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:11,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:11,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:11,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-24 23:26:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:11,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:11,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:11,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 23:26:11,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:11,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 23:26:11,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:11,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:11,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:11,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:11,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:11,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-24 23:26:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:11,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:11,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:11,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 23:26:11,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:11,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 23:26:11,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:11,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:11,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:11,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:11,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:11,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-24 23:26:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:11,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:11,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:11,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:26:11,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:11,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 23:26:11,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:11,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:11,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:11,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:11,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:11,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2020-09-24 23:26:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:11,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:11,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:11,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:26:11,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:11,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 23:26:11,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:11,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:11,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:11,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:11,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:11,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2020-09-24 23:26:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:11,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:11,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:11,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 23:26:11,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:11,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 23:26:11,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:11,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:11,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:11,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:11,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:11,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 23:26:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:11,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:11,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:11,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 23:26:11,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:11,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 23:26:11,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:11,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:11,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:11,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:11,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:11,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-09-24 23:26:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:11,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:11,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:11,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:26:11,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:11,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 23:26:11,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:11,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:11,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:11,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:11,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:11,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-24 23:26:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:11,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:11,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:11,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 23:26:11,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:11,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 23:26:11,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:11,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:11,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:11,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:11,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:11,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-09-24 23:26:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:11,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:11,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:11,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:26:11,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:11,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 23:26:11,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:11,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:11,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:11,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:11,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:11,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-09-24 23:26:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:11,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:11,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:11,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:26:11,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:11,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 23:26:11,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:11,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:11,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:11,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:11,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:12,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-09-24 23:26:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:12,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:12,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:12,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:26:12,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:12,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 23:26:12,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:12,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:12,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:12,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:12,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:12,313 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 23:26:12,314 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2046282137] [2020-09-24 23:26:12,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:26:12,317 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 23:26:12,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339097859] [2020-09-24 23:26:12,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 23:26:12,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:26:12,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 23:26:12,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 23:26:12,352 INFO L87 Difference]: Start difference. First operand 921 states. Second operand 6 states. [2020-09-24 23:26:12,561 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-24 23:26:16,081 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-24 23:26:19,064 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-24 23:26:20,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:26:20,068 INFO L93 Difference]: Finished difference Result 2030 states and 2469 transitions. [2020-09-24 23:26:20,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 23:26:20,071 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 470 [2020-09-24 23:26:20,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:26:20,105 INFO L225 Difference]: With dead ends: 2030 [2020-09-24 23:26:20,106 INFO L226 Difference]: Without dead ends: 1339 [2020-09-24 23:26:20,120 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-09-24 23:26:20,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2020-09-24 23:26:20,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 871. [2020-09-24 23:26:20,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 871 states. [2020-09-24 23:26:20,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 958 transitions. [2020-09-24 23:26:20,300 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 958 transitions. Word has length 470 [2020-09-24 23:26:20,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:26:20,302 INFO L479 AbstractCegarLoop]: Abstraction has 871 states and 958 transitions. [2020-09-24 23:26:20,303 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 23:26:20,303 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 958 transitions. [2020-09-24 23:26:20,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2020-09-24 23:26:20,316 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:26:20,317 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 23:26:20,317 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 23:26:20,318 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:26:20,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:26:20,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1164133881, now seen corresponding path program 1 times [2020-09-24 23:26:20,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:26:20,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1714589863] [2020-09-24 23:26:20,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:26:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:20,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:20,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:21,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:25,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:25,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 577 [2020-09-24 23:26:25,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 23:26:25,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-09-24 23:26:25,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:25,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 23:26:25,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 452 [2020-09-24 23:26:25,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 23:26:25,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:25,826 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-24 23:26:25,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:26:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:25,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:26,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:26,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-24 23:26:26,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:26,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-09-24 23:26:26,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:26,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:26,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:26,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:26,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:26,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-24 23:26:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:26,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:26,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:26,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 23:26:26,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:26,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 23:26:26,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:26,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:26,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:26,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:26,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:26,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-24 23:26:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:26,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:26,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:26,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 23:26:26,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:26,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 23:26:26,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:26,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:26,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:26,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:26,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:26,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-24 23:26:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:26,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:26,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:26,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:26:26,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:26,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 23:26:26,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:26,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:26,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:26,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:26,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:26,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-09-24 23:26:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:26,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:26,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:26,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:26,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 23:26:26,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:26:26,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 283 [2020-09-24 23:26:26,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:26,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 23:26:26,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 23:26:26,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 23:26:26,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:26,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 23:26:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:26,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:27,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:27,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:26:27,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:27,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-24 23:26:27,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:27,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:26:27,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:27,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 23:26:27,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:27,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:26:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:27,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:27,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:27,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 23:26:27,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:27,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 23:26:27,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:27,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 23:26:27,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:27,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 23:26:27,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:27,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:26:27,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:27,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:27,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:27,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:26:27,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:27,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 23:26:27,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:27,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 23:26:27,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 23:26:27,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:26:27,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:27,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-09-24 23:26:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:27,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:27,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:27,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:27,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 23:26:27,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:26:27,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 737 [2020-09-24 23:26:27,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:27,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 23:26:27,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-09-24 23:26:27,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:26:27,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:28,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 23:26:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:28,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:28,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:28,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:26:28,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:28,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 23:26:28,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:28,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:28,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:28,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:28,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:28,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:26:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:28,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:28,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:28,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 23:26:28,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:28,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 23:26:28,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:28,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:28,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:28,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:28,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:28,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 23:26:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:28,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:28,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:28,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:26:28,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:28,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 23:26:28,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:28,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 23:26:28,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:28,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 23:26:28,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:28,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2020-09-24 23:26:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:28,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:28,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:28,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:29,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:29,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-24 23:26:29,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 23:26:29,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 981 [2020-09-24 23:26:29,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:29,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:29,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-09-24 23:26:29,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:29,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:29,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 23:26:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:29,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:29,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:29,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:26:29,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:29,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 23:26:29,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:29,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:29,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:29,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:29,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:29,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:26:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:29,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:29,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:29,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 23:26:29,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:29,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 23:26:29,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:29,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:29,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:29,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:29,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:29,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 23:26:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:29,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:29,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:29,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:26:29,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:29,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 23:26:29,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:29,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:29,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:29,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2020-09-24 23:26:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:29,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:29,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:29,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 23:26:29,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:29,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 23:26:29,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:29,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:29,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 23:26:29,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:29,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:29,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 23:26:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:29,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:29,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:29,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 23:26:29,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:29,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 23:26:29,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:29,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:29,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:29,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:29,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:29,761 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-09-24 23:26:29,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1714589863] [2020-09-24 23:26:29,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 23:26:29,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 23:26:29,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630856375] [2020-09-24 23:26:29,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 23:26:29,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:26:29,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 23:26:29,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2020-09-24 23:26:29,771 INFO L87 Difference]: Start difference. First operand 871 states and 958 transitions. Second operand 15 states. [2020-09-24 23:26:29,934 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-24 23:26:32,675 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-24 23:26:32,965 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-24 23:26:33,210 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-09-24 23:26:33,455 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-24 23:26:33,728 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-24 23:26:33,979 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-09-24 23:26:34,210 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-24 23:26:34,411 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-24 23:26:34,649 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-09-24 23:26:34,910 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-09-24 23:26:36,247 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-24 23:26:36,471 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-09-24 23:26:36,679 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-24 23:26:41,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:26:41,691 INFO L93 Difference]: Finished difference Result 1812 states and 2139 transitions. [2020-09-24 23:26:41,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 23:26:41,694 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 528 [2020-09-24 23:26:41,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:26:41,703 INFO L225 Difference]: With dead ends: 1812 [2020-09-24 23:26:41,704 INFO L226 Difference]: Without dead ends: 1275 [2020-09-24 23:26:41,707 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=145, Invalid=725, Unknown=0, NotChecked=0, Total=870 [2020-09-24 23:26:41,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1275 states. [2020-09-24 23:26:41,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1275 to 886. [2020-09-24 23:26:41,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2020-09-24 23:26:41,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 979 transitions. [2020-09-24 23:26:41,763 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 979 transitions. Word has length 528 [2020-09-24 23:26:41,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:26:41,764 INFO L479 AbstractCegarLoop]: Abstraction has 886 states and 979 transitions. [2020-09-24 23:26:41,764 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 23:26:41,764 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 979 transitions. [2020-09-24 23:26:41,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2020-09-24 23:26:41,776 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:26:41,776 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:26:41,777 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 23:26:41,777 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:26:41,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:26:41,777 INFO L82 PathProgramCache]: Analyzing trace with hash 152588807, now seen corresponding path program 1 times [2020-09-24 23:26:41,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:26:41,778 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [650395513] [2020-09-24 23:26:41,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:26:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:41,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:42,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:43,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:45,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:46,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:46,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:46,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:46,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 577 [2020-09-24 23:26:46,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 23:26:46,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-09-24 23:26:46,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:46,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 23:26:46,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 521 [2020-09-24 23:26:46,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:26:46,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:47,140 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-24 23:26:47,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:26:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:47,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:47,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:47,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-24 23:26:47,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:47,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-09-24 23:26:47,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:47,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:47,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:47,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:47,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:47,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-24 23:26:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:47,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:47,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:47,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 23:26:47,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:47,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 23:26:47,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:47,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:47,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:47,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:47,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:47,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-24 23:26:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:47,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:47,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:47,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 23:26:47,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:47,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 23:26:47,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:47,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:47,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:47,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:47,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:47,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-24 23:26:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:47,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:47,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:47,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:26:47,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:47,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 23:26:47,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:47,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:47,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:47,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:47,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:47,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-09-24 23:26:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:47,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:47,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:47,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 23:26:47,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:47,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 23:26:47,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:47,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:47,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:47,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:47,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:47,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 23:26:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:47,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:47,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:47,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:26:47,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:47,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 23:26:47,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:47,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:47,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:47,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:47,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:47,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:26:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:47,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:47,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:47,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 23:26:47,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:47,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 23:26:47,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:47,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:47,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:47,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:47,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:47,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:26:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:47,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:47,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:47,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:26:47,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:47,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 23:26:47,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:47,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:47,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:47,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:47,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:47,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-09-24 23:26:47,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:47,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:47,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:47,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 23:26:47,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:47,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 23:26:47,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:47,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:47,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:47,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:47,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:47,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 23:26:47,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:47,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:47,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:47,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:26:47,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:47,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 23:26:47,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:47,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:47,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:47,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:47,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:47,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:26:47,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:47,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:47,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:47,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 23:26:47,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:47,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 23:26:47,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:47,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:47,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:47,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:47,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:47,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 23:26:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:47,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:47,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:47,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:26:47,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:47,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 23:26:47,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:47,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:47,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:47,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:47,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:47,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2020-09-24 23:26:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:47,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:47,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:48,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:48,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-24 23:26:48,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:26:48,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 693 [2020-09-24 23:26:48,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:48,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 23:26:48,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-09-24 23:26:48,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:26:48,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:48,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 23:26:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:48,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:48,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:48,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:26:48,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:48,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 23:26:48,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:48,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:48,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:48,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:48,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:48,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:26:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:48,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:48,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:48,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 23:26:48,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:48,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 23:26:48,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:48,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:48,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:48,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:48,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:48,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 23:26:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:48,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:48,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:48,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:26:48,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:48,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 23:26:48,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:48,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 23:26:48,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:48,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 23:26:48,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:48,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2020-09-24 23:26:48,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:48,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:48,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:48,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 23:26:48,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:48,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 23:26:48,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:48,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:48,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 23:26:48,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:48,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:48,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 23:26:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:48,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:48,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:48,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 23:26:48,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:48,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 23:26:48,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:48,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:48,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:48,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:48,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:48,923 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-09-24 23:26:48,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [650395513] [2020-09-24 23:26:48,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:26:48,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 23:26:48,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249536931] [2020-09-24 23:26:48,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 23:26:48,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:26:48,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 23:26:48,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-24 23:26:48,931 INFO L87 Difference]: Start difference. First operand 886 states and 979 transitions. Second operand 8 states. [2020-09-24 23:26:49,107 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 139