/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 log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 17:51:09,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 17:51:09,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 17:51:09,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 17:51:09,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 17:51:09,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 17:51:10,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 17:51:10,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 17:51:10,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 17:51:10,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 17:51:10,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 17:51:10,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 17:51:10,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 17:51:10,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 17:51:10,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 17:51:10,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 17:51:10,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 17:51:10,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 17:51:10,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 17:51:10,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 17:51:10,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 17:51:10,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 17:51:10,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 17:51:10,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 17:51:10,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 17:51:10,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 17:51:10,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 17:51:10,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 17:51:10,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 17:51:10,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 17:51:10,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 17:51:10,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 17:51:10,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 17:51:10,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 17:51:10,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 17:51:10,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 17:51:10,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 17:51:10,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 17:51:10,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 17:51:10,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 17:51:10,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 17:51:10,081 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-24 17:51:10,127 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 17:51:10,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 17:51:10,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 17:51:10,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 17:51:10,130 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 17:51:10,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 17:51:10,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 17:51:10,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 17:51:10,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 17:51:10,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 17:51:10,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 17:51:10,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 17:51:10,133 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 17:51:10,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 17:51:10,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 17:51:10,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 17:51:10,134 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 17:51:10,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 17:51:10,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 17:51:10,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 17:51:10,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 17:51:10,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 17:51:10,135 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 17:51:10,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 17:51:10,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 17:51:10,135 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 17:51:10,136 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 17:51:10,136 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;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;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;log-additional-information=true; [2020-09-24 17:51:10,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 17:51:10,696 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 17:51:10,704 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 17:51:10,706 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 17:51:10,706 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 17:51:10,707 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2020-09-24 17:51:10,801 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/11e45934d/5c6bc00edb024f4c8604a76b2c4728d1/FLAG9d3c1a423 [2020-09-24 17:51:11,593 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 17:51:11,594 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2020-09-24 17:51:11,624 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/11e45934d/5c6bc00edb024f4c8604a76b2c4728d1/FLAG9d3c1a423 [2020-09-24 17:51:11,679 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/11e45934d/5c6bc00edb024f4c8604a76b2c4728d1 [2020-09-24 17:51:11,695 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 17:51:11,702 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 17:51:11,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 17:51:11,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 17:51:11,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 17:51:11,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:51:11" (1/1) ... [2020-09-24 17:51:11,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f9529c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:51:11, skipping insertion in model container [2020-09-24 17:51:11,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:51:11" (1/1) ... [2020-09-24 17:51:11,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 17:51:11,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 17:51:12,450 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2384] [2020-09-24 17:51:12,451 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2385-2386] [2020-09-24 17:51:12,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:51:12,967 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 17:51:13,067 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2384] [2020-09-24 17:51:13,068 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2385-2386] [2020-09-24 17:51:13,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:51:13,240 INFO L208 MainTranslator]: Completed translation [2020-09-24 17:51:13,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:51:13 WrapperNode [2020-09-24 17:51:13,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 17:51:13,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 17:51:13,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 17:51:13,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 17:51:13,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:51:13" (1/1) ... [2020-09-24 17:51:13,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:51:13" (1/1) ... [2020-09-24 17:51:13,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:51:13" (1/1) ... [2020-09-24 17:51:13,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:51:13" (1/1) ... [2020-09-24 17:51:13,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:51:13" (1/1) ... [2020-09-24 17:51:13,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:51:13" (1/1) ... [2020-09-24 17:51:13,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:51:13" (1/1) ... [2020-09-24 17:51:13,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 17:51:13,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 17:51:13,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 17:51:13,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 17:51:13,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:51:13" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 17:51:13,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 17:51:13,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 17:51:13,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-09-24 17:51:13,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-24 17:51:13,489 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-09-24 17:51:13,489 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-09-24 17:51:13,489 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 17:51:13,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 17:51:13,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-24 17:51:13,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-24 17:51:13,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-24 17:51:13,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-24 17:51:13,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-24 17:51:13,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-24 17:51:13,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-24 17:51:13,493 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-24 17:51:13,493 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2020-09-24 17:51:13,493 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_parse [2020-09-24 17:51:13,493 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_start [2020-09-24 17:51:13,494 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_stop [2020-09-24 17:51:13,494 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_open [2020-09-24 17:51:13,494 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_close [2020-09-24 17:51:13,495 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_request [2020-09-24 17:51:13,495 INFO L138 BoogieDeclarations]: Found implementation of procedure axff_play [2020-09-24 17:51:13,495 INFO L138 BoogieDeclarations]: Found implementation of procedure axff_init [2020-09-24 17:51:13,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_probe [2020-09-24 17:51:13,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_remove [2020-09-24 17:51:13,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_driver_init [2020-09-24 17:51:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_driver_exit [2020-09-24 17:51:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hid_driver_1 [2020-09-24 17:51:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 17:51:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-24 17:51:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-09-24 17:51:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-24 17:51:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-09-24 17:51:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-09-24 17:51:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-09-24 17:51:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-09-24 17:51:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-09-24 17:51:13,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __hid_register_driver [2020-09-24 17:51:13,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __hid_request [2020-09-24 17:51:13,498 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-09-24 17:51:13,498 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-24 17:51:13,498 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-09-24 17:51:13,498 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_connect [2020-09-24 17:51:13,499 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_disconnect [2020-09-24 17:51:13,499 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_open_report [2020-09-24 17:51:13,499 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_unregister_driver [2020-09-24 17:51:13,499 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_create_memless [2020-09-24 17:51:13,499 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-09-24 17:51:13,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 17:51:13,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 17:51:13,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-09-24 17:51:13,500 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-24 17:51:13,500 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 17:51:13,501 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-24 17:51:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 17:51:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-24 17:51:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-09-24 17:51:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-24 17:51:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-09-24 17:51:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-09-24 17:51:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 17:51:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 17:51:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-09-24 17:51:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-24 17:51:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-09-24 17:51:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 17:51:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 17:51:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 17:51:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-24 17:51:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 17:51:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 17:51:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 17:51:13,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 17:51:13,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-24 17:51:13,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-24 17:51:13,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-24 17:51:13,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-24 17:51:13,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-24 17:51:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-24 17:51:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-24 17:51:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hid_driver_1 [2020-09-24 17:51:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-24 17:51:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-24 17:51:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-09-24 17:51:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-09-24 17:51:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2020-09-24 17:51:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_create_memless [2020-09-24 17:51:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure __hid_register_driver [2020-09-24 17:51:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure hid_unregister_driver [2020-09-24 17:51:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure __hid_request [2020-09-24 17:51:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure hid_open_report [2020-09-24 17:51:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure hid_connect [2020-09-24 17:51:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure hid_disconnect [2020-09-24 17:51:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure hid_parse [2020-09-24 17:51:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_start [2020-09-24 17:51:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-09-24 17:51:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-24 17:51:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_stop [2020-09-24 17:51:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_open [2020-09-24 17:51:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_close [2020-09-24 17:51:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_request [2020-09-24 17:51:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure axff_play [2020-09-24 17:51:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 17:51:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 17:51:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 17:51:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 17:51:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure axff_init [2020-09-24 17:51:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure ax_probe [2020-09-24 17:51:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 17:51:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure ax_remove [2020-09-24 17:51:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure ax_driver_init [2020-09-24 17:51:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure ax_driver_exit [2020-09-24 17:51:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 17:51:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 17:51:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 17:51:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-09-24 17:51:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-24 17:51:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-09-24 17:51:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-09-24 17:51:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-09-24 17:51:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-09-24 17:51:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 17:51:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 17:51:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 17:51:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 17:51:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 17:51:14,524 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-24 17:51:15,022 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 17:51:15,023 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 17:51:15,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:51:15 BoogieIcfgContainer [2020-09-24 17:51:15,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 17:51:15,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 17:51:15,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 17:51:15,039 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 17:51:15,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 05:51:11" (1/3) ... [2020-09-24 17:51:15,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3447f79d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:51:15, skipping insertion in model container [2020-09-24 17:51:15,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:51:13" (2/3) ... [2020-09-24 17:51:15,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3447f79d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:51:15, skipping insertion in model container [2020-09-24 17:51:15,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:51:15" (3/3) ... [2020-09-24 17:51:15,044 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2020-09-24 17:51:15,056 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 17:51:15,069 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 17:51:15,120 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 17:51:15,155 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 17:51:15,156 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 17:51:15,156 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 17:51:15,156 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 17:51:15,156 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 17:51:15,156 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 17:51:15,157 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 17:51:15,157 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 17:51:15,193 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states. [2020-09-24 17:51:15,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-09-24 17:51:15,216 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:51:15,218 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:51:15,219 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:51:15,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:51:15,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1899615713, now seen corresponding path program 1 times [2020-09-24 17:51:15,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:51:15,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [234769088] [2020-09-24 17:51:15,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:51:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:15,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:16,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:18,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:19,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:20,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:20,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:31,598 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:31,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 301 [2020-09-24 17:51:31,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 17:51:31,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15899 [2020-09-24 17:51:31,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:31,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:51:31,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 139 [2020-09-24 17:51:31,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 17:51:31,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 17:51:32,233 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-24 17:51:32,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:51:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:32,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:32,420 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:32,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-09-24 17:51:32,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:32,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-09-24 17:51:32,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:32,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:32,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:32,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:32,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:32,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-24 17:51:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:32,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:32,535 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:32,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 17:51:32,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:32,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 17:51:32,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:32,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:32,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:32,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:32,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 17:51:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:32,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:32,557 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:32,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:51:32,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:32,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 17:51:32,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:32,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:32,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:32,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:32,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:32,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-24 17:51:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:32,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:32,580 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:32,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:51:32,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:32,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 17:51:32,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:32,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:32,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:51:32,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:32,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:32,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-24 17:51:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:32,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:32,613 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:32,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 17:51:32,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:32,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 17:51:32,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:32,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:32,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 17:51:32,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:32,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:32,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 17:51:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:32,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:32,638 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:32,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:51:32,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:32,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 17:51:32,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:32,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:32,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:32,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:32,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 40 [2020-09-24 17:51:32,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-24 17:51:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:32,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:32,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:32,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 17:51:32,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:32,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 17:51:32,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:32,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:32,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-24 17:51:32,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:32,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:32,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 17:51:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:32,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:32,745 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:32,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:51:32,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:32,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 17:51:32,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:32,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:32,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:32,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:32,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:51:32,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-09-24 17:51:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:32,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:32,773 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:32,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:51:32,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:32,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 17:51:32,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:32,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:32,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 17:51:32,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:32,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:32,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:51:32,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [234769088] [2020-09-24 17:51:32,859 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:51:32,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 17:51:32,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045531904] [2020-09-24 17:51:32,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 17:51:32,868 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:51:32,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 17:51:32,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 17:51:32,889 INFO L87 Difference]: Start difference. First operand 584 states. Second operand 5 states. [2020-09-24 17:51:33,173 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 17:51:33,847 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-24 17:51:34,111 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-09-24 17:51:37,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:51:37,043 INFO L93 Difference]: Finished difference Result 1189 states and 1336 transitions. [2020-09-24 17:51:37,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 17:51:37,045 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 268 [2020-09-24 17:51:37,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:51:37,072 INFO L225 Difference]: With dead ends: 1189 [2020-09-24 17:51:37,072 INFO L226 Difference]: Without dead ends: 690 [2020-09-24 17:51:37,080 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-09-24 17:51:37,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2020-09-24 17:51:37,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 549. [2020-09-24 17:51:37,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2020-09-24 17:51:37,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 584 transitions. [2020-09-24 17:51:37,210 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 584 transitions. Word has length 268 [2020-09-24 17:51:37,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:51:37,212 INFO L479 AbstractCegarLoop]: Abstraction has 549 states and 584 transitions. [2020-09-24 17:51:37,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 17:51:37,212 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 584 transitions. [2020-09-24 17:51:37,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-09-24 17:51:37,219 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:51:37,219 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:51:37,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 17:51:37,220 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:51:37,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:51:37,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1969584607, now seen corresponding path program 1 times [2020-09-24 17:51:37,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:51:37,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [975690997] [2020-09-24 17:51:37,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:51:37,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:37,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:37,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:40,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:41,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:45,623 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:45,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 368 [2020-09-24 17:51:45,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 17:51:45,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8296 [2020-09-24 17:51:45,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:45,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 17:51:45,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 274 [2020-09-24 17:51:45,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 17:51:45,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:46,134 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-24 17:51:46,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:51:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:46,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:46,286 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:46,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-09-24 17:51:46,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:46,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-09-24 17:51:46,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:46,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:46,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:46,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:46,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:51:46,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-24 17:51:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:46,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:46,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:46,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 17:51:46,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:46,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 17:51:46,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:46,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:46,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:46,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:46,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:51:46,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 17:51:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:46,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:46,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:46,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:51:46,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:46,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 17:51:46,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:46,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:46,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:46,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:46,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:51:46,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 17:51:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:46,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:46,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:46,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 17:51:46,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:46,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 17:51:46,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:46,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:46,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:46,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:46,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:46,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 17:51:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:46,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:46,469 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:46,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 17:51:46,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:46,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 17:51:46,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:46,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:46,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:46,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:46,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:46,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-09-24 17:51:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:46,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:46,529 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:46,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 17:51:46,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:46,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 17:51:46,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:46,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:46,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:46,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:46,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:51:46,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 17:51:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:46,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:46,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:46,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 17:51:46,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:46,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 17:51:46,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:46,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:46,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:46,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:46,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:51:46,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-24 17:51:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:46,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:46,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:46,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:51:46,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:46,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 17:51:46,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:46,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:46,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:46,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:46,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:51:46,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-24 17:51:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:46,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:46,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:46,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 17:51:46,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:46,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 17:51:46,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:46,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:46,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:46,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:46,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:51:46,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 17:51:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:46,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:46,650 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:46,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:51:46,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:46,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 17:51:46,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:46,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:46,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:46,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:46,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:51:46,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-09-24 17:51:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:46,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:46,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:46,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 17:51:46,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:46,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-24 17:51:46,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:46,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 17:51:46,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:46,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-24 17:51:46,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 17:51:46,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 17:51:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:46,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:46,954 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:46,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:51:46,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:46,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 17:51:46,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:46,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:51:46,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:46,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 17:51:46,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:46,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2020-09-24 17:51:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:46,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:46,984 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:46,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:51:46,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:46,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 17:51:46,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:46,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:46,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 17:51:46,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:46,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:51:47,109 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-24 17:51:47,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [975690997] [2020-09-24 17:51:47,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:51:47,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 17:51:47,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468382851] [2020-09-24 17:51:47,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 17:51:47,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:51:47,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 17:51:47,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-24 17:51:47,115 INFO L87 Difference]: Start difference. First operand 549 states and 584 transitions. Second operand 10 states. [2020-09-24 17:51:47,337 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-24 17:51:49,283 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:51:49,790 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 17:51:50,105 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-24 17:51:52,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:51:52,037 INFO L93 Difference]: Finished difference Result 1135 states and 1253 transitions. [2020-09-24 17:51:52,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 17:51:52,038 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 327 [2020-09-24 17:51:52,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:51:52,051 INFO L225 Difference]: With dead ends: 1135 [2020-09-24 17:51:52,052 INFO L226 Difference]: Without dead ends: 730 [2020-09-24 17:51:52,055 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2020-09-24 17:51:52,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2020-09-24 17:51:52,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 555. [2020-09-24 17:51:52,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2020-09-24 17:51:52,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 590 transitions. [2020-09-24 17:51:52,129 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 590 transitions. Word has length 327 [2020-09-24 17:51:52,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:51:52,131 INFO L479 AbstractCegarLoop]: Abstraction has 555 states and 590 transitions. [2020-09-24 17:51:52,132 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 17:51:52,132 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 590 transitions. [2020-09-24 17:51:52,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2020-09-24 17:51:52,138 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:51:52,138 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:51:52,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 17:51:52,139 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:51:52,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:51:52,139 INFO L82 PathProgramCache]: Analyzing trace with hash -448485819, now seen corresponding path program 1 times [2020-09-24 17:51:52,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:51:52,140 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [548224510] [2020-09-24 17:51:52,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:51:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:52,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:52,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:53,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:54,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:54,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 382 [2020-09-24 17:51:54,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 17:51:54,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2057 [2020-09-24 17:51:54,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:54,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:51:54,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-09-24 17:51:54,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 272 [2020-09-24 17:51:54,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:54,774 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-24 17:51:54,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:51:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:54,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:55,048 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:55,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-09-24 17:51:55,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:55,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 239 [2020-09-24 17:51:55,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:55,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:51:55,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:55,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-09-24 17:51:55,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:55,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-24 17:51:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:55,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:55,154 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:55,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 17:51:55,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:55,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 17:51:55,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:55,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:51:55,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:55,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 17:51:55,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:55,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 17:51:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:55,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:55,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:55,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:51:55,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:55,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 17:51:55,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:55,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:51:55,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:55,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 17:51:55,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:55,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 17:51:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:55,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:55,215 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:55,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 17:51:55,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:55,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 17:51:55,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:55,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:51:55,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:55,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 17:51:55,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:55,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 17:51:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:55,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:55,238 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:55,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 17:51:55,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:55,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 17:51:55,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:55,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:55,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:55,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:55,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:55,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-09-24 17:51:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:55,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:55,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:55,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 17:51:55,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:55,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 17:51:55,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:55,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:51:55,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:55,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 17:51:55,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:55,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 17:51:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:55,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:55,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:55,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 17:51:55,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:55,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 17:51:55,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:55,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:55,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:55,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:55,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:51:55,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-24 17:51:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:55,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:55,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:55,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:51:55,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:55,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 17:51:55,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:55,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:51:55,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:55,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 17:51:55,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:55,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-24 17:51:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:55,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:55,409 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:55,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 17:51:55,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:55,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 17:51:55,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:55,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:51:55,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:55,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 17:51:55,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:55,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 17:51:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:55,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:55,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:55,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:51:55,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:55,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 17:51:55,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:55,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:55,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:55,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:55,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:55,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-09-24 17:51:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:55,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:55,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:55,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-24 17:51:55,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:55,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-24 17:51:55,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:55,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:51:55,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:55,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 17:51:55,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:55,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 17:51:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:55,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:55,509 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:55,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:51:55,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:55,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 17:51:55,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:55,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:55,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:55,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:55,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:55,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-24 17:51:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:55,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:55,529 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:55,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 17:51:55,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:55,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 17:51:55,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:55,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:55,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:55,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:55,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:55,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2020-09-24 17:51:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:55,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:55,574 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:55,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:51:55,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:55,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 17:51:55,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:55,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:51:55,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:55,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 17:51:55,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:51:55,769 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-24 17:51:55,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [548224510] [2020-09-24 17:51:55,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:51:55,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 17:51:55,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980328348] [2020-09-24 17:51:55,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 17:51:55,773 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:51:55,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 17:51:55,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-24 17:51:55,777 INFO L87 Difference]: Start difference. First operand 555 states and 590 transitions. Second operand 6 states.