/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 21:11:34,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 21:11:34,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 21:11:34,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 21:11:34,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 21:11:34,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 21:11:34,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 21:11:34,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 21:11:34,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 21:11:34,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 21:11:34,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 21:11:34,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 21:11:34,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 21:11:34,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 21:11:34,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 21:11:34,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 21:11:35,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 21:11:35,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 21:11:35,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 21:11:35,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 21:11:35,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 21:11:35,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 21:11:35,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 21:11:35,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 21:11:35,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 21:11:35,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 21:11:35,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 21:11:35,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 21:11:35,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 21:11:35,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 21:11:35,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 21:11:35,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 21:11:35,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 21:11:35,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 21:11:35,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 21:11:35,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 21:11:35,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 21:11:35,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 21:11:35,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 21:11:35,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 21:11:35,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 21:11:35,051 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-24 21:11:35,095 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 21:11:35,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 21:11:35,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 21:11:35,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 21:11:35,098 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 21:11:35,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 21:11:35,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 21:11:35,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 21:11:35,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 21:11:35,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 21:11:35,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 21:11:35,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 21:11:35,101 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 21:11:35,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 21:11:35,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 21:11:35,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 21:11:35,102 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 21:11:35,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 21:11:35,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 21:11:35,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 21:11:35,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 21:11:35,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 21:11:35,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 21:11:35,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 21:11:35,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 21:11:35,104 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 21:11:35,104 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 21:11:35,104 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; [2020-09-24 21:11:35,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 21:11:35,590 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 21:11:35,595 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 21:11:35,597 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 21:11:35,598 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 21:11:35,599 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2020-09-24 21:11:35,690 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1fb3a3129/a8dd7d4925ea466395fefc25f4ef6a21/FLAG5f6fe0156 [2020-09-24 21:11:36,597 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 21:11:36,598 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2020-09-24 21:11:36,645 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1fb3a3129/a8dd7d4925ea466395fefc25f4ef6a21/FLAG5f6fe0156 [2020-09-24 21:11:37,082 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1fb3a3129/a8dd7d4925ea466395fefc25f4ef6a21 [2020-09-24 21:11:37,095 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 21:11:37,099 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 21:11:37,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 21:11:37,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 21:11:37,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 21:11:37,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:11:37" (1/1) ... [2020-09-24 21:11:37,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ccce517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:37, skipping insertion in model container [2020-09-24 21:11:37,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:11:37" (1/1) ... [2020-09-24 21:11:37,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 21:11:37,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 21:11:38,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:11:38,656 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 21:11:39,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:11:39,202 INFO L208 MainTranslator]: Completed translation [2020-09-24 21:11:39,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:39 WrapperNode [2020-09-24 21:11:39,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 21:11:39,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 21:11:39,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 21:11:39,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 21:11:39,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:39" (1/1) ... [2020-09-24 21:11:39,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:39" (1/1) ... [2020-09-24 21:11:39,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:39" (1/1) ... [2020-09-24 21:11:39,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:39" (1/1) ... [2020-09-24 21:11:39,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:39" (1/1) ... [2020-09-24 21:11:39,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:39" (1/1) ... [2020-09-24 21:11:39,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:39" (1/1) ... [2020-09-24 21:11:39,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 21:11:39,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 21:11:39,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 21:11:39,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 21:11:39,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 21:11:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 21:11:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 21:11:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-24 21:11:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-09-24 21:11:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-09-24 21:11:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-09-24 21:11:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-09-24 21:11:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-24 21:11:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 21:11:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 21:11:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-24 21:11:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-24 21:11:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-24 21:11:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-24 21:11:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-24 21:11:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-24 21:11:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-24 21:11:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2020-09-24 21:11:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_set_drvdata [2020-09-24 21:11:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2020-09-24 21:11:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_unregister_driver [2020-09-24 21:11:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2020-09-24 21:11:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2020-09-24 21:11:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_reset [2020-09-24 21:11:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_init [2020-09-24 21:11:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_read_busy [2020-09-24 21:11:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_raw_read [2020-09-24 21:11:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_raw_write [2020-09-24 21:11:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_probe [2020-09-24 21:11:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_remove [2020-09-24 21:11:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_spi_driver_init [2020-09-24 21:11:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_spi_driver_exit [2020-09-24 21:11:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_wl1271_if_operations_2 [2020-09-24 21:11:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_spi_driver_1 [2020-09-24 21:11:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 21:11:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-09-24 21:11:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-09-24 21:11:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-09-24 21:11:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-09-24 21:11:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-09-24 21:11:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-09-24 21:11:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-09-24 21:11:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-09-24 21:11:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-09-24 21:11:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-09-24 21:11:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-09-24 21:11:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-09-24 21:11:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-09-24 21:11:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-09-24 21:11:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 21:11:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-09-24 21:11:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure crc7 [2020-09-24 21:11:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-24 21:11:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-24 21:11:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-24 21:11:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2020-09-24 21:11:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 21:11:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-09-24 21:11:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_2 [2020-09-24 21:11:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add [2020-09-24 21:11:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add_data [2020-09-24 21:11:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add_resources [2020-09-24 21:11:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_alloc [2020-09-24 21:11:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_put [2020-09-24 21:11:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2020-09-24 21:11:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_register_driver [2020-09-24 21:11:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_setup [2020-09-24 21:11:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2020-09-24 21:11:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-24 21:11:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 21:11:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-24 21:11:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-24 21:11:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 21:11:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-24 21:11:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-24 21:11:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-24 21:11:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-09-24 21:11:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 21:11:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-09-24 21:11:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-09-24 21:11:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 21:11:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2020-09-24 21:11:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-24 21:11:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-24 21:11:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-24 21:11:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 21:11:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 21:11:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-09-24 21:11:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-09-24 21:11:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-24 21:11:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-24 21:11:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 21:11:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 21:11:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 21:11:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2020-09-24 21:11:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-24 21:11:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 21:11:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 21:11:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 21:11:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-24 21:11:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-24 21:11:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-24 21:11:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-24 21:11:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-24 21:11:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-24 21:11:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_wl1271_if_operations_2 [2020-09-24 21:11:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_spi_driver_1 [2020-09-24 21:11:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure crc7 [2020-09-24 21:11:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2020-09-24 21:11:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure spi_set_drvdata [2020-09-24 21:11:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2020-09-24 21:11:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure spi_register_driver [2020-09-24 21:11:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure spi_unregister_driver [2020-09-24 21:11:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2020-09-24 21:11:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-24 21:11:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2020-09-24 21:11:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure spi_setup [2020-09-24 21:11:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2020-09-24 21:11:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2020-09-24 21:11:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2020-09-24 21:11:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add_resources [2020-09-24 21:11:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add_data [2020-09-24 21:11:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2020-09-24 21:11:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_put [2020-09-24 21:11:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_reset [2020-09-24 21:11:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 21:11:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 21:11:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 21:11:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_init [2020-09-24 21:11:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 21:11:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_read_busy [2020-09-24 21:11:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_raw_read [2020-09-24 21:11:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_raw_write [2020-09-24 21:11:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_probe [2020-09-24 21:11:39,610 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_remove [2020-09-24 21:11:39,610 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_spi_driver_init [2020-09-24 21:11:39,610 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_spi_driver_exit [2020-09-24 21:11:39,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 21:11:39,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-09-24 21:11:39,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 21:11:39,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_2 [2020-09-24 21:11:39,614 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 21:11:39,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-09-24 21:11:39,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-09-24 21:11:39,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-09-24 21:11:39,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-09-24 21:11:39,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-09-24 21:11:39,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-09-24 21:11:39,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-09-24 21:11:39,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-09-24 21:11:39,616 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-24 21:11:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-09-24 21:11:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-09-24 21:11:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-09-24 21:11:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-09-24 21:11:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-09-24 21:11:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-09-24 21:11:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-09-24 21:11:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 21:11:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 21:11:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 21:11:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 21:11:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 21:11:40,726 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-24 21:11:41,497 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-09-24 21:11:41,804 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 21:11:41,805 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 21:11:41,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:11:41 BoogieIcfgContainer [2020-09-24 21:11:41,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 21:11:41,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 21:11:41,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 21:11:41,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 21:11:41,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 09:11:37" (1/3) ... [2020-09-24 21:11:41,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b58d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:11:41, skipping insertion in model container [2020-09-24 21:11:41,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:39" (2/3) ... [2020-09-24 21:11:41,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b58d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:11:41, skipping insertion in model container [2020-09-24 21:11:41,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:11:41" (3/3) ... [2020-09-24 21:11:41,825 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2020-09-24 21:11:41,836 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 21:11:41,848 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 21:11:41,870 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 21:11:41,904 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 21:11:41,905 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 21:11:41,905 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 21:11:41,905 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 21:11:41,905 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 21:11:41,905 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 21:11:41,905 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 21:11:41,906 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 21:11:41,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states. [2020-09-24 21:11:41,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-09-24 21:11:41,969 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:11:41,971 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-24 21:11:41,971 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:11:41,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:11:41,980 INFO L82 PathProgramCache]: Analyzing trace with hash -126969232, now seen corresponding path program 1 times [2020-09-24 21:11:41,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:11:41,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1985111983] [2020-09-24 21:11:41,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:11:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:42,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:43,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:43,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:45,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:47,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:47,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-24 21:11:47,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 21:11:47,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5078 [2020-09-24 21:11:47,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:47,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 21:11:47,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-09-24 21:11:47,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:11:47,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 21:11:48,139 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 21:11:48,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:11:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:48,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:48,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:48,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 21:11:48,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:48,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-09-24 21:11:48,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:48,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:48,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:48,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:48,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:48,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-24 21:11:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:48,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:48,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:48,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 21:11:48,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:48,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-24 21:11:48,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:48,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:48,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:48,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:48,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:48,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 21:11:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:48,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:48,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:48,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 21:11:48,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:48,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 21:11:48,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:48,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:48,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:48,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:48,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:48,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 21:11:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:48,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:48,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:48,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:11:48,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:48,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-24 21:11:48,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:48,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:48,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:48,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:48,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:11:48,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 21:11:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:48,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:48,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:48,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:48,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:11:48,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:11:48,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-24 21:11:48,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:48,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 21:11:48,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 21:11:48,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 21:11:48,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:11:48,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-24 21:11:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:48,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:48,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:48,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:11:48,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:48,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-24 21:11:48,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:48,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 21:11:48,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 21:11:48,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 21:11:48,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:11:48,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-24 21:11:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:49,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:49,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:49,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 21:11:49,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:49,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-24 21:11:49,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:49,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:49,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-24 21:11:49,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:49,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:11:49,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:11:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:49,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:49,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:49,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:11:49,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:49,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-24 21:11:49,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:49,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:49,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:49,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:49,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:49,192 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-24 21:11:49,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1985111983] [2020-09-24 21:11:49,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:11:49,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 21:11:49,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216270484] [2020-09-24 21:11:49,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 21:11:49,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:11:49,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 21:11:49,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-24 21:11:49,228 INFO L87 Difference]: Start difference. First operand 1099 states. Second operand 7 states. [2020-09-24 21:11:49,560 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 21:11:50,770 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-24 21:11:51,125 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-24 21:11:51,455 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 21:11:51,781 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:11:57,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:11:57,802 INFO L93 Difference]: Finished difference Result 2166 states and 2514 transitions. [2020-09-24 21:11:57,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 21:11:57,805 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 190 [2020-09-24 21:11:57,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:11:57,835 INFO L225 Difference]: With dead ends: 2166 [2020-09-24 21:11:57,836 INFO L226 Difference]: Without dead ends: 1174 [2020-09-24 21:11:57,854 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-09-24 21:11:57,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2020-09-24 21:11:58,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 1062. [2020-09-24 21:11:58,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1062 states. [2020-09-24 21:11:58,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1184 transitions. [2020-09-24 21:11:58,036 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1184 transitions. Word has length 190 [2020-09-24 21:11:58,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:11:58,038 INFO L479 AbstractCegarLoop]: Abstraction has 1062 states and 1184 transitions. [2020-09-24 21:11:58,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 21:11:58,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1184 transitions. [2020-09-24 21:11:58,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-09-24 21:11:58,052 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:11:58,053 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2020-09-24 21:11:58,053 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 21:11:58,053 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:11:58,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:11:58,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1971199252, now seen corresponding path program 1 times [2020-09-24 21:11:58,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:11:58,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2033263802] [2020-09-24 21:11:58,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:11:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:58,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:58,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:59,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:59,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-09-24 21:11:59,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:11:59,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1163 [2020-09-24 21:11:59,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:59,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:11:59,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-09-24 21:11:59,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-09-24 21:11:59,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:12:00,223 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 21:12:00,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:12:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:00,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:00,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:00,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 21:12:00,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:00,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 321 [2020-09-24 21:12:00,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:00,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:00,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:00,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-24 21:12:00,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:12:00,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-24 21:12:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:00,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:00,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:00,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 21:12:00,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:00,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-24 21:12:00,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:00,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:00,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:00,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 21:12:00,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-24 21:12:00,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 21:12:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:00,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:01,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:01,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 21:12:01,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:01,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-24 21:12:01,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:01,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:01,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:01,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 21:12:01,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 21:12:01,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 21:12:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:01,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:01,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:01,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:12:01,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:01,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-24 21:12:01,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:01,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:01,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:01,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:12:01,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:12:01,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 21:12:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:01,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:01,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:01,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:12:01,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:01,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-24 21:12:01,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:01,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:01,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:01,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 21:12:01,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:01,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-24 21:12:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:01,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:01,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:01,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:12:01,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:01,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-24 21:12:01,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:01,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:01,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:01,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 21:12:01,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:01,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-24 21:12:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:01,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:01,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:01,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 21:12:01,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:01,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-24 21:12:01,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:01,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:01,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:01,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 21:12:01,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:12:01,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:12:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:01,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:01,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:01,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:12:01,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:01,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-24 21:12:01,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:01,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:01,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:01,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:01,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:12:01,700 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-24 21:12:01,701 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2033263802] [2020-09-24 21:12:01,701 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:12:01,701 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 21:12:01,701 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796555169] [2020-09-24 21:12:01,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 21:12:01,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:12:01,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 21:12:01,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 21:12:01,706 INFO L87 Difference]: Start difference. First operand 1062 states and 1184 transitions. Second operand 7 states. [2020-09-24 21:12:01,957 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 21:12:02,718 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-24 21:12:03,063 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 21:12:03,533 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 21:12:08,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:12:08,539 INFO L93 Difference]: Finished difference Result 1175 states and 1323 transitions. [2020-09-24 21:12:08,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 21:12:08,540 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 198 [2020-09-24 21:12:08,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:12:08,549 INFO L225 Difference]: With dead ends: 1175 [2020-09-24 21:12:08,549 INFO L226 Difference]: Without dead ends: 1172 [2020-09-24 21:12:08,551 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-09-24 21:12:08,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2020-09-24 21:12:08,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1061. [2020-09-24 21:12:08,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1061 states. [2020-09-24 21:12:08,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1182 transitions. [2020-09-24 21:12:08,638 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1182 transitions. Word has length 198 [2020-09-24 21:12:08,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:12:08,639 INFO L479 AbstractCegarLoop]: Abstraction has 1061 states and 1182 transitions. [2020-09-24 21:12:08,640 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 21:12:08,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1182 transitions. [2020-09-24 21:12:08,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-24 21:12:08,643 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:12:08,644 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2020-09-24 21:12:08,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 21:12:08,644 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:12:08,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:12:08,644 INFO L82 PathProgramCache]: Analyzing trace with hash -978144985, now seen corresponding path program 1 times [2020-09-24 21:12:08,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:12:08,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1383106045] [2020-09-24 21:12:08,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:12:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:08,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:09,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:09,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:09,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-09-24 21:12:09,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:12:09,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1042 [2020-09-24 21:12:09,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:09,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:09,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-09-24 21:12:09,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-09-24 21:12:09,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:10,540 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 21:12:10,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:12:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:10,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:10,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:10,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 21:12:10,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:10,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 349 [2020-09-24 21:12:10,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:10,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:10,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:10,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-24 21:12:10,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:11,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-24 21:12:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:11,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:11,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:11,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 21:12:11,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:11,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-24 21:12:11,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:11,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:11,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:11,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 21:12:11,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:12:11,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 21:12:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:11,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:11,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:11,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 21:12:11,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:11,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-24 21:12:11,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:11,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:11,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:11,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 21:12:11,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:12:11,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 21:12:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:11,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:11,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:11,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:12:11,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:11,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-24 21:12:11,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:11,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:11,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:11,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:12:11,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:11,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 21:12:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:11,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:11,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:11,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:12:11,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:11,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-24 21:12:11,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:11,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:11,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:11,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 21:12:11,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:11,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-24 21:12:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:11,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:11,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:11,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:12:11,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:11,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-24 21:12:11,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:11,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:11,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:11,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 21:12:11,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:11,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-24 21:12:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:11,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:11,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:11,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 21:12:11,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:11,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-24 21:12:11,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:11,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:11,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:11,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 21:12:11,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:11,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:12:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:11,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:11,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:11,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:12:11,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:11,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-24 21:12:11,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:11,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:11,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:11,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:11,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:11,930 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-24 21:12:11,931 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1383106045] [2020-09-24 21:12:11,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:12:11,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 21:12:11,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641820368] [2020-09-24 21:12:11,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 21:12:11,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:12:11,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 21:12:11,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 21:12:11,938 INFO L87 Difference]: Start difference. First operand 1061 states and 1182 transitions. Second operand 7 states. [2020-09-24 21:12:12,231 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 21:12:13,081 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-24 21:12:13,488 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 21:12:14,099 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 21:12:19,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:12:19,234 INFO L93 Difference]: Finished difference Result 1174 states and 1321 transitions. [2020-09-24 21:12:19,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 21:12:19,235 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 199 [2020-09-24 21:12:19,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:12:19,242 INFO L225 Difference]: With dead ends: 1174 [2020-09-24 21:12:19,243 INFO L226 Difference]: Without dead ends: 1171 [2020-09-24 21:12:19,243 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-09-24 21:12:19,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2020-09-24 21:12:19,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 1060. [2020-09-24 21:12:19,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1060 states. [2020-09-24 21:12:19,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 1180 transitions. [2020-09-24 21:12:19,324 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 1180 transitions. Word has length 199 [2020-09-24 21:12:19,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:12:19,325 INFO L479 AbstractCegarLoop]: Abstraction has 1060 states and 1180 transitions. [2020-09-24 21:12:19,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 21:12:19,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1180 transitions. [2020-09-24 21:12:19,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-09-24 21:12:19,328 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:12:19,328 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2020-09-24 21:12:19,328 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 21:12:19,329 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:12:19,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:12:19,329 INFO L82 PathProgramCache]: Analyzing trace with hash -258228913, now seen corresponding path program 1 times [2020-09-24 21:12:19,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:12:19,330 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1757494360] [2020-09-24 21:12:19,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:12:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:19,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:19,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:20,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:20,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-09-24 21:12:20,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:12:20,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 956 [2020-09-24 21:12:20,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:20,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:20,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 21:12:20,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-09-24 21:12:20,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:20,927 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 21:12:20,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:12:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:21,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:21,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:21,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 21:12:21,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:21,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 307 [2020-09-24 21:12:21,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:21,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:21,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:21,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 21:12:21,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:21,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-24 21:12:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:21,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:21,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:21,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 21:12:21,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:21,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-24 21:12:21,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:21,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:21,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:21,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 21:12:21,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:21,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 21:12:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:21,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:21,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:21,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 21:12:21,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:21,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-24 21:12:21,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:21,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:21,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:21,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 21:12:21,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:21,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 21:12:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:21,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:21,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:21,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:12:21,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:21,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 21:12:21,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:21,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:21,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:21,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:12:21,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:21,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 21:12:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:21,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:21,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:21,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:12:21,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:21,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-24 21:12:21,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:21,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:21,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:21,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 21:12:21,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:21,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-24 21:12:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:21,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:21,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:21,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:12:21,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:21,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-24 21:12:21,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:21,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:21,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:21,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 21:12:21,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:21,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-24 21:12:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:21,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:21,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:21,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 21:12:21,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:21,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-24 21:12:21,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:21,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:21,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:21,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 21:12:21,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:12:21,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:12:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:21,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:21,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:21,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:12:21,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:21,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-24 21:12:21,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:21,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:21,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:21,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:21,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:12:22,063 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-24 21:12:22,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1757494360] [2020-09-24 21:12:22,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:12:22,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 21:12:22,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188212349] [2020-09-24 21:12:22,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 21:12:22,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:12:22,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 21:12:22,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 21:12:22,068 INFO L87 Difference]: Start difference. First operand 1060 states and 1180 transitions. Second operand 6 states. [2020-09-24 21:12:22,309 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 21:12:22,907 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-24 21:12:23,215 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:12:23,798 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 192