/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=DEEPEST --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 [2020-09-25 01:40:17,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 01:40:17,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 01:40:17,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 01:40:17,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 01:40:17,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 01:40:17,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 01:40:17,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 01:40:17,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 01:40:17,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 01:40:17,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 01:40:17,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 01:40:17,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 01:40:17,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 01:40:17,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 01:40:17,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 01:40:17,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 01:40:17,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 01:40:17,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 01:40:17,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 01:40:17,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 01:40:17,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 01:40:17,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 01:40:17,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 01:40:17,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 01:40:17,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 01:40:17,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 01:40:17,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 01:40:17,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 01:40:17,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 01:40:17,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 01:40:17,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 01:40:17,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 01:40:17,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 01:40:17,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 01:40:17,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 01:40:17,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 01:40:17,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 01:40:17,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 01:40:17,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 01:40:17,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 01:40:17,857 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 [2020-09-25 01:40:17,885 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 01:40:17,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 01:40:17,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 01:40:17,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 01:40:17,887 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 01:40:17,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 01:40:17,887 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 01:40:17,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 01:40:17,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 01:40:17,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 01:40:17,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 01:40:17,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 01:40:17,889 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 01:40:17,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 01:40:17,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 01:40:17,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 01:40:17,889 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 01:40:17,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 01:40:17,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 01:40:17,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 01:40:17,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 01:40:17,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 01:40:17,891 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 01:40:17,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 01:40:17,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 01:40:17,891 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 01:40:17,891 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 01:40:17,891 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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;log-additional-information=true; [2020-09-25 01:40:18,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 01:40:18,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 01:40:18,355 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 01:40:18,359 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 01:40:18,359 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 01:40:18,361 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-09-25 01:40:18,445 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/435bdb971/a2e670ecd1cb40a2a1bc8665d0a61ddd/FLAG149953cfc [2020-09-25 01:40:19,120 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 01:40:19,121 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-09-25 01:40:19,148 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/435bdb971/a2e670ecd1cb40a2a1bc8665d0a61ddd/FLAG149953cfc [2020-09-25 01:40:19,332 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/435bdb971/a2e670ecd1cb40a2a1bc8665d0a61ddd [2020-09-25 01:40:19,346 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 01:40:19,351 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 01:40:19,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 01:40:19,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 01:40:19,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 01:40:19,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:40:19" (1/1) ... [2020-09-25 01:40:19,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fc2cc11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:19, skipping insertion in model container [2020-09-25 01:40:19,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:40:19" (1/1) ... [2020-09-25 01:40:19,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 01:40:19,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 01:40:19,963 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2020-09-25 01:40:19,964 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] [2020-09-25 01:40:20,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:40:20,438 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 01:40:20,488 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2020-09-25 01:40:20,488 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] [2020-09-25 01:40:20,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:40:20,620 INFO L208 MainTranslator]: Completed translation [2020-09-25 01:40:20,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:20 WrapperNode [2020-09-25 01:40:20,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 01:40:20,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 01:40:20,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 01:40:20,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 01:40:20,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:20" (1/1) ... [2020-09-25 01:40:20,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:20" (1/1) ... [2020-09-25 01:40:20,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:20" (1/1) ... [2020-09-25 01:40:20,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:20" (1/1) ... [2020-09-25 01:40:20,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:20" (1/1) ... [2020-09-25 01:40:20,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:20" (1/1) ... [2020-09-25 01:40:20,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:20" (1/1) ... [2020-09-25 01:40:20,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 01:40:20,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 01:40:20,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 01:40:20,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 01:40:20,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:20" (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 [2020-09-25 01:40:20,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 01:40:20,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 01:40:20,869 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-09-25 01:40:20,870 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-09-25 01:40:20,870 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-09-25 01:40:20,870 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2020-09-25 01:40:20,871 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-09-25 01:40:20,872 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-09-25 01:40:20,872 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-09-25 01:40:20,872 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 01:40:20,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 01:40:20,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 01:40:20,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 01:40:20,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 01:40:20,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 01:40:20,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 01:40:20,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 01:40:20,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 01:40:20,877 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-09-25 01:40:20,877 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2020-09-25 01:40:20,878 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2020-09-25 01:40:20,878 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2020-09-25 01:40:20,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2020-09-25 01:40:20,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_len [2020-09-25 01:40:20,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2020-09-25 01:40:20,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2020-09-25 01:40:20,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_len [2020-09-25 01:40:20,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_isa_probe [2020-09-25 01:40:20,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_pnp_probe [2020-09-25 01:40:20,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_init [2020-09-25 01:40:20,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_exit [2020-09-25 01:40:20,881 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 01:40:20,881 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-25 01:40:20,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-09-25 01:40:20,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-25 01:40:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-09-25 01:40:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-09-25 01:40:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-09-25 01:40:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-09-25 01:40:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2020-09-25 01:40:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-09-25 01:40:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-09-25 01:40:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-09-25 01:40:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2020-09-25 01:40:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_port [2020-09-25 01:40:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-09-25 01:40:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 01:40:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 01:40:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2020-09-25 01:40:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-09-25 01:40:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-09-25 01:40:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2020-09-25 01:40:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_register_driver [2020-09-25 01:40:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_unregister_driver [2020-09-25 01:40:20,886 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-25 01:40:20,886 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2020-09-25 01:40:20,886 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 01:40:20,886 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 01:40:20,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 01:40:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 01:40:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-25 01:40:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-09-25 01:40:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-09-25 01:40:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 01:40:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-09-25 01:40:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-09-25 01:40:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2020-09-25 01:40:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2020-09-25 01:40:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 01:40:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-09-25 01:40:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-09-25 01:40:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-09-25 01:40:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-09-25 01:40:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-09-25 01:40:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 01:40:20,890 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-09-25 01:40:20,890 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-25 01:40:20,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-09-25 01:40:20,890 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 01:40:20,890 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 01:40:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 01:40:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 01:40:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 01:40:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 01:40:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 01:40:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 01:40:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 01:40:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 01:40:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 01:40:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 01:40:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 01:40:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 01:40:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 01:40:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-09-25 01:40:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-09-25 01:40:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2020-09-25 01:40:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_port [2020-09-25 01:40:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2020-09-25 01:40:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2020-09-25 01:40:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2020-09-25 01:40:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2020-09-25 01:40:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2020-09-25 01:40:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2020-09-25 01:40:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_len [2020-09-25 01:40:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2020-09-25 01:40:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2020-09-25 01:40:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_len [2020-09-25 01:40:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_register_driver [2020-09-25 01:40:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_unregister_driver [2020-09-25 01:40:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_isa_probe [2020-09-25 01:40:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 01:40:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 01:40:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 01:40:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_pnp_probe [2020-09-25 01:40:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_init [2020-09-25 01:40:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_exit [2020-09-25 01:40:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 01:40:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 01:40:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2020-09-25 01:40:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 01:40:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-09-25 01:40:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-25 01:40:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-09-25 01:40:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-09-25 01:40:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-09-25 01:40:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-09-25 01:40:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 01:40:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 01:40:20,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 01:40:20,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 01:40:20,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 01:40:20,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 01:40:21,608 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 01:40:22,531 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 01:40:22,532 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 01:40:22,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:40:22 BoogieIcfgContainer [2020-09-25 01:40:22,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 01:40:22,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 01:40:22,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 01:40:22,549 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 01:40:22,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:40:19" (1/3) ... [2020-09-25 01:40:22,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ca41b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:40:22, skipping insertion in model container [2020-09-25 01:40:22,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:20" (2/3) ... [2020-09-25 01:40:22,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ca41b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:40:22, skipping insertion in model container [2020-09-25 01:40:22,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:40:22" (3/3) ... [2020-09-25 01:40:22,554 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 [2020-09-25 01:40:22,566 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 01:40:22,577 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 01:40:22,600 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 01:40:22,635 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 01:40:22,635 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 01:40:22,635 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 01:40:22,635 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 01:40:22,635 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 01:40:22,635 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 01:40:22,636 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 01:40:22,636 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 01:40:22,677 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states. [2020-09-25 01:40:22,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2020-09-25 01:40:22,720 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:40:22,725 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] [2020-09-25 01:40:22,727 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:40:22,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:40:22,737 INFO L82 PathProgramCache]: Analyzing trace with hash 965266846, now seen corresponding path program 1 times [2020-09-25 01:40:22,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:40:22,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [835352293] [2020-09-25 01:40:22,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:40:23,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:23,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:23,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:27,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:27,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:28,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:28,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:28,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:28,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 509 [2020-09-25 01:40:28,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 01:40:28,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5292 [2020-09-25 01:40:28,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:28,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:40:28,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 491 [2020-09-25 01:40:28,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 01:40:28,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 01:40:29,048 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-25 01:40:29,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:40:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:29,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:29,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:29,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-25 01:40:29,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:29,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-09-25 01:40:29,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:29,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:29,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:29,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:29,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:29,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-25 01:40:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:29,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:29,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:29,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 01:40:29,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:29,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 01:40:29,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:29,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:29,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:29,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:29,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:29,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-25 01:40:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:29,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:29,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:29,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 01:40:29,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:29,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 01:40:29,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:29,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:29,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:29,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:29,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:29,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-25 01:40:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:29,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:29,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:29,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:40:29,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:29,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 01:40:29,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:29,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:29,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:29,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:29,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:29,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2020-09-25 01:40:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:29,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:29,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:29,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:40:29,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:29,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 01:40:29,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:29,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:29,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:29,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:29,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:29,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2020-09-25 01:40:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:29,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:29,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:29,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 01:40:29,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:29,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 01:40:29,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:29,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:29,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:29,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:29,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:29,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 01:40:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:29,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:29,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:29,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 01:40:29,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:29,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 01:40:29,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:29,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:29,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:29,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:29,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:29,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-09-25 01:40:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:29,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:29,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:29,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:40:29,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:29,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 01:40:29,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:29,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:29,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:29,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:29,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:29,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-25 01:40:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:29,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:29,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:29,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:40:29,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:29,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 01:40:29,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:29,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:29,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:29,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:29,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:29,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-09-25 01:40:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:29,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:29,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:29,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:40:29,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:29,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 01:40:29,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:29,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:29,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:29,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:29,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:29,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-09-25 01:40:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:29,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:29,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:29,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:40:29,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:29,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 01:40:29,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:29,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:29,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:29,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:29,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:29,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-09-25 01:40:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:29,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:29,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:29,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:40:29,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:29,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 01:40:29,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:29,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:29,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:29,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:29,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:30,266 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-25 01:40:30,267 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [835352293] [2020-09-25 01:40:30,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:40:30,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 01:40:30,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362022246] [2020-09-25 01:40:30,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 01:40:30,280 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:40:30,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 01:40:30,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 01:40:30,312 INFO L87 Difference]: Start difference. First operand 921 states. Second operand 6 states. [2020-09-25 01:40:30,580 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-25 01:40:34,099 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-25 01:40:36,868 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-25 01:40:37,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:40:37,792 INFO L93 Difference]: Finished difference Result 2030 states and 2469 transitions. [2020-09-25 01:40:37,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 01:40:37,795 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 470 [2020-09-25 01:40:37,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:40:37,828 INFO L225 Difference]: With dead ends: 2030 [2020-09-25 01:40:37,828 INFO L226 Difference]: Without dead ends: 1339 [2020-09-25 01:40:37,843 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 [2020-09-25 01:40:37,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2020-09-25 01:40:38,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 871. [2020-09-25 01:40:38,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 871 states. [2020-09-25 01:40:38,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 958 transitions. [2020-09-25 01:40:38,020 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 958 transitions. Word has length 470 [2020-09-25 01:40:38,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:40:38,026 INFO L479 AbstractCegarLoop]: Abstraction has 871 states and 958 transitions. [2020-09-25 01:40:38,026 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 01:40:38,026 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 958 transitions. [2020-09-25 01:40:38,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2020-09-25 01:40:38,044 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:40:38,045 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] [2020-09-25 01:40:38,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 01:40:38,046 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:40:38,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:40:38,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1164133881, now seen corresponding path program 1 times [2020-09-25 01:40:38,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:40:38,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [419368710] [2020-09-25 01:40:38,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:40:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:38,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:38,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:38,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:43,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:43,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 577 [2020-09-25 01:40:43,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 01:40:43,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-09-25 01:40:43,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:43,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 01:40:43,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 452 [2020-09-25 01:40:43,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 01:40:43,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:43,471 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-25 01:40:43,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:40:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:43,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:43,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:43,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-25 01:40:43,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:43,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-09-25 01:40:43,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:43,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:43,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:43,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:43,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:43,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-25 01:40:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:43,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:43,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:43,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 01:40:43,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:43,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 01:40:43,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:43,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:43,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:43,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:43,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:43,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-25 01:40:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:43,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:43,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:43,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 01:40:43,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:43,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 01:40:43,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:43,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:43,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:43,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:43,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:43,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-25 01:40:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:43,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:44,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:44,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:40:44,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:44,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 01:40:44,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:44,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:44,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:44,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:44,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:44,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-09-25 01:40:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:44,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:44,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:44,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:44,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 01:40:44,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 01:40:44,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 277 [2020-09-25 01:40:44,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:44,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 01:40:44,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 01:40:44,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 01:40:44,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:44,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 01:40:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:44,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:44,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:44,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 01:40:44,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:44,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-25 01:40:44,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:44,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 01:40:44,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:44,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 01:40:44,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:44,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 01:40:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:44,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:44,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:44,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 01:40:44,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:44,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 01:40:44,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:44,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 01:40:44,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:44,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 01:40:44,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:44,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 01:40:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:44,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:44,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:44,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:40:44,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:44,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 01:40:44,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:44,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 01:40:44,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 01:40:44,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:40:44,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:44,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-09-25 01:40:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:44,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:44,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:45,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:45,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 01:40:45,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 01:40:45,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 766 [2020-09-25 01:40:45,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:45,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 01:40:45,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-09-25 01:40:45,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:40:45,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:45,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 01:40:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:45,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:45,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:45,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 01:40:45,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:45,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 01:40:45,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:45,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:45,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:45,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:45,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:45,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 01:40:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:45,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:45,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:45,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 01:40:45,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:45,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 01:40:45,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:45,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:45,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:45,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:45,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:45,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-25 01:40:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:45,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:45,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:45,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:40:45,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:45,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 01:40:45,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:45,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 01:40:45,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:45,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 01:40:45,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:45,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2020-09-25 01:40:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:45,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:45,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:45,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:46,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:46,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-25 01:40:46,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 01:40:46,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 812 [2020-09-25 01:40:46,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:46,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:46,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-09-25 01:40:46,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:46,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:46,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 01:40:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:46,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:46,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:46,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 01:40:46,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:46,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 01:40:46,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:46,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:46,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:46,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:46,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:46,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 01:40:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:46,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:46,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:46,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 01:40:46,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:46,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 01:40:46,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:46,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:46,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:46,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:46,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:46,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-25 01:40:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:46,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:46,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:46,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:40:46,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:46,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 01:40:46,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:46,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:46,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:46,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:46,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:46,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2020-09-25 01:40:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:46,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:46,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:46,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 01:40:46,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:46,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 01:40:46,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:46,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:46,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 01:40:46,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:46,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:46,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 01:40:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:46,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:46,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:46,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 01:40:46,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:46,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 01:40:46,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:46,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:46,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:46,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:46,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:46,756 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-09-25 01:40:46,757 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [419368710] [2020-09-25 01:40:46,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 01:40:46,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-25 01:40:46,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486210475] [2020-09-25 01:40:46,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-25 01:40:46,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:40:46,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-25 01:40:46,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2020-09-25 01:40:46,763 INFO L87 Difference]: Start difference. First operand 871 states and 958 transitions. Second operand 15 states. [2020-09-25 01:40:46,938 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-25 01:40:49,800 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-25 01:40:50,051 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-25 01:40:50,309 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-09-25 01:40:50,565 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-25 01:40:50,853 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-25 01:40:51,098 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-09-25 01:40:51,312 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-25 01:40:51,551 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-25 01:40:51,808 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-09-25 01:40:52,091 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-09-25 01:40:53,525 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-25 01:40:53,749 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-09-25 01:40:53,953 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-25 01:40:58,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:40:58,906 INFO L93 Difference]: Finished difference Result 1812 states and 2139 transitions. [2020-09-25 01:40:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-25 01:40:58,907 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 528 [2020-09-25 01:40:58,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:40:58,917 INFO L225 Difference]: With dead ends: 1812 [2020-09-25 01:40:58,917 INFO L226 Difference]: Without dead ends: 1275 [2020-09-25 01:40:58,921 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 [2020-09-25 01:40:58,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1275 states. [2020-09-25 01:40:58,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1275 to 886. [2020-09-25 01:40:58,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2020-09-25 01:40:58,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 979 transitions. [2020-09-25 01:40:58,984 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 979 transitions. Word has length 528 [2020-09-25 01:40:58,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:40:58,985 INFO L479 AbstractCegarLoop]: Abstraction has 886 states and 979 transitions. [2020-09-25 01:40:58,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-25 01:40:58,985 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 979 transitions. [2020-09-25 01:40:58,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2020-09-25 01:40:58,997 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:40:58,997 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] [2020-09-25 01:40:58,997 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 01:40:58,998 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:40:58,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:40:58,998 INFO L82 PathProgramCache]: Analyzing trace with hash 152588807, now seen corresponding path program 1 times [2020-09-25 01:40:58,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:40:58,999 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1581013455] [2020-09-25 01:40:58,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:40:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:59,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:59,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:00,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:02,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:03,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:03,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:04,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:04,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 577 [2020-09-25 01:41:04,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 01:41:04,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-25 01:41:04,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:04,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 01:41:04,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 521 [2020-09-25 01:41:04,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:41:04,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:04,426 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-25 01:41:04,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:41:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:04,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:04,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:04,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-25 01:41:04,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:04,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-09-25 01:41:04,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:04,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:04,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:04,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:04,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:04,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-25 01:41:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:04,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:04,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:04,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 01:41:04,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:04,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 01:41:04,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:04,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:04,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:04,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:04,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:04,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-25 01:41:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:04,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:04,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:04,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 01:41:04,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:04,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 01:41:04,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:04,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:04,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:04,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:04,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:04,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-25 01:41:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:04,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:04,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:04,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:41:04,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:04,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 01:41:04,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:04,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:04,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:04,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:04,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:04,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-09-25 01:41:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:04,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:04,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:04,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 01:41:04,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:04,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 01:41:04,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:04,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:04,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:04,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:04,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:04,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 01:41:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:04,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:04,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:04,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 01:41:04,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:04,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 01:41:04,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:04,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:04,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:04,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:04,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:04,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 01:41:04,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:04,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:04,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:04,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 01:41:04,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:04,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 01:41:04,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:04,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:04,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:04,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:04,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:04,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 01:41:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:04,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:04,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:04,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:41:04,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:04,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 01:41:04,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:04,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:04,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:04,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:04,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:04,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-09-25 01:41:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:04,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:04,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:04,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 01:41:04,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:04,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 01:41:04,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:04,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:04,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:04,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:04,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:05,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 01:41:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:05,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:05,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:05,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 01:41:05,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:05,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 01:41:05,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:05,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:05,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:05,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:05,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:05,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 01:41:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:05,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:05,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:05,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 01:41:05,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:05,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 01:41:05,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:05,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:05,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:05,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:05,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:05,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-25 01:41:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:05,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:05,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:05,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:41:05,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:05,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 01:41:05,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:05,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:05,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:05,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:05,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:05,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2020-09-25 01:41:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:05,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:05,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:05,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:05,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-25 01:41:05,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 01:41:05,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 804 [2020-09-25 01:41:05,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:05,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 01:41:05,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-09-25 01:41:05,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:41:05,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:05,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 01:41:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:05,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:05,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:05,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 01:41:05,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:05,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 01:41:05,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:05,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:05,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:05,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:05,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:05,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 01:41:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:05,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:06,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:06,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 01:41:06,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:06,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 01:41:06,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:06,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:06,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:06,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:06,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:06,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-25 01:41:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:06,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:06,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:06,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:41:06,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:06,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 01:41:06,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:06,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 01:41:06,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:06,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 01:41:06,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:06,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2020-09-25 01:41:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:06,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:06,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:06,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 01:41:06,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:06,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 01:41:06,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:06,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:06,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 01:41:06,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:06,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:06,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 01:41:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:06,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:06,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:06,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 01:41:06,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:06,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 01:41:06,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:06,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:06,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:06,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:06,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:06,535 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-09-25 01:41:06,536 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1581013455] [2020-09-25 01:41:06,536 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:41:06,537 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 01:41:06,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719414725] [2020-09-25 01:41:06,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 01:41:06,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:41:06,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 01:41:06,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-25 01:41:06,539 INFO L87 Difference]: Start difference. First operand 886 states and 979 transitions. Second operand 8 states. [2020-09-25 01:41:06,675 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 139