/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --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 [2020-09-25 15:16:08,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 15:16:08,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 15:16:08,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 15:16:08,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 15:16:08,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 15:16:08,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 15:16:08,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 15:16:08,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 15:16:08,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 15:16:08,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 15:16:08,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 15:16:08,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 15:16:08,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 15:16:08,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 15:16:08,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 15:16:08,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 15:16:08,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 15:16:08,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 15:16:08,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 15:16:08,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 15:16:08,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 15:16:08,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 15:16:08,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 15:16:08,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 15:16:08,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 15:16:08,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 15:16:08,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 15:16:08,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 15:16:08,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 15:16:08,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 15:16:08,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 15:16:08,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 15:16:08,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 15:16:08,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 15:16:08,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 15:16:08,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 15:16:08,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 15:16:08,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 15:16:08,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 15:16:08,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 15:16:08,593 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-25 15:16:08,643 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 15:16:08,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 15:16:08,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 15:16:08,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 15:16:08,646 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 15:16:08,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 15:16:08,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 15:16:08,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 15:16:08,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 15:16:08,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 15:16:08,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 15:16:08,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 15:16:08,649 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 15:16:08,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 15:16:08,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 15:16:08,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 15:16:08,650 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 15:16:08,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 15:16:08,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 15:16:08,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 15:16:08,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 15:16:08,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 15:16:08,652 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 15:16:08,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 15:16:08,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 15:16:08,652 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 15:16:08,653 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 15:16:08,653 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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-09-25 15:16:09,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 15:16:09,142 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 15:16:09,147 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 15:16:09,148 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 15:16:09,150 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 15:16:09,151 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2020-09-25 15:16:09,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e0c5b2e9/b18c2ac0883546829cec561fa12f2ba0/FLAG99d40b68b [2020-09-25 15:16:10,141 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 15:16:10,142 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2020-09-25 15:16:10,188 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e0c5b2e9/b18c2ac0883546829cec561fa12f2ba0/FLAG99d40b68b [2020-09-25 15:16:10,686 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e0c5b2e9/b18c2ac0883546829cec561fa12f2ba0 [2020-09-25 15:16:10,699 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 15:16:10,705 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 15:16:10,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 15:16:10,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 15:16:10,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 15:16:10,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:16:10" (1/1) ... [2020-09-25 15:16:10,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d6fb2f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:10, skipping insertion in model container [2020-09-25 15:16:10,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:16:10" (1/1) ... [2020-09-25 15:16:10,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 15:16:10,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 15:16:12,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 15:16:12,499 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 15:16:12,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 15:16:12,995 INFO L208 MainTranslator]: Completed translation [2020-09-25 15:16:12,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:12 WrapperNode [2020-09-25 15:16:12,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 15:16:12,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 15:16:12,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 15:16:12,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 15:16:13,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:12" (1/1) ... [2020-09-25 15:16:13,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:12" (1/1) ... [2020-09-25 15:16:13,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:12" (1/1) ... [2020-09-25 15:16:13,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:12" (1/1) ... [2020-09-25 15:16:13,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:12" (1/1) ... [2020-09-25 15:16:13,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:12" (1/1) ... [2020-09-25 15:16:13,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:12" (1/1) ... [2020-09-25 15:16:13,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 15:16:13,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 15:16:13,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 15:16:13,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 15:16:13,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:12" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 15:16:13,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 15:16:13,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 15:16:13,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 15:16:13,336 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-09-25 15:16:13,336 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-09-25 15:16:13,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-09-25 15:16:13,337 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-09-25 15:16:13,337 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-25 15:16:13,337 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 15:16:13,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 15:16:13,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 15:16:13,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 15:16:13,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 15:16:13,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 15:16:13,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 15:16:13,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 15:16:13,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 15:16:13,339 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2020-09-25 15:16:13,340 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_set_drvdata [2020-09-25 15:16:13,340 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2020-09-25 15:16:13,340 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_unregister_driver [2020-09-25 15:16:13,340 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2020-09-25 15:16:13,340 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2020-09-25 15:16:13,341 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_reset [2020-09-25 15:16:13,341 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_init [2020-09-25 15:16:13,341 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_read_busy [2020-09-25 15:16:13,341 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_raw_read [2020-09-25 15:16:13,342 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_raw_write [2020-09-25 15:16:13,342 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_probe [2020-09-25 15:16:13,342 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_remove [2020-09-25 15:16:13,342 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_spi_driver_init [2020-09-25 15:16:13,342 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_spi_driver_exit [2020-09-25 15:16:13,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_wl1271_if_operations_2 [2020-09-25 15:16:13,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_spi_driver_1 [2020-09-25 15:16:13,395 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 15:16:13,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-09-25 15:16:13,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-09-25 15:16:13,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-09-25 15:16:13,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-09-25 15:16:13,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-09-25 15:16:13,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-09-25 15:16:13,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-09-25 15:16:13,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-09-25 15:16:13,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-09-25 15:16:13,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-09-25 15:16:13,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-09-25 15:16:13,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-09-25 15:16:13,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-09-25 15:16:13,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-09-25 15:16:13,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 15:16:13,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-09-25 15:16:13,398 INFO L138 BoogieDeclarations]: Found implementation of procedure crc7 [2020-09-25 15:16:13,399 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-25 15:16:13,399 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 15:16:13,399 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 15:16:13,399 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2020-09-25 15:16:13,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 15:16:13,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-09-25 15:16:13,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_2 [2020-09-25 15:16:13,400 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add [2020-09-25 15:16:13,400 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add_data [2020-09-25 15:16:13,400 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add_resources [2020-09-25 15:16:13,400 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_alloc [2020-09-25 15:16:13,400 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_put [2020-09-25 15:16:13,400 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2020-09-25 15:16:13,401 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_register_driver [2020-09-25 15:16:13,401 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_setup [2020-09-25 15:16:13,401 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2020-09-25 15:16:13,401 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-25 15:16:13,401 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 15:16:13,401 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 15:16:13,402 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 15:16:13,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 15:16:13,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 15:16:13,402 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 15:16:13,402 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-25 15:16:13,403 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-09-25 15:16:13,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 15:16:13,403 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-09-25 15:16:13,403 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-09-25 15:16:13,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 15:16:13,403 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2020-09-25 15:16:13,403 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 15:16:13,404 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 15:16:13,404 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-25 15:16:13,404 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 15:16:13,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 15:16:13,404 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-09-25 15:16:13,404 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-09-25 15:16:13,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 15:16:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-25 15:16:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 15:16:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 15:16:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 15:16:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2020-09-25 15:16:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 15:16:13,406 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 15:16:13,406 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 15:16:13,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 15:16:13,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 15:16:13,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 15:16:13,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 15:16:13,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 15:16:13,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 15:16:13,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 15:16:13,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_wl1271_if_operations_2 [2020-09-25 15:16:13,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_spi_driver_1 [2020-09-25 15:16:13,407 INFO L130 BoogieDeclarations]: Found specification of procedure crc7 [2020-09-25 15:16:13,407 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2020-09-25 15:16:13,407 INFO L130 BoogieDeclarations]: Found specification of procedure spi_set_drvdata [2020-09-25 15:16:13,408 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2020-09-25 15:16:13,408 INFO L130 BoogieDeclarations]: Found specification of procedure spi_register_driver [2020-09-25 15:16:13,408 INFO L130 BoogieDeclarations]: Found specification of procedure spi_unregister_driver [2020-09-25 15:16:13,408 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2020-09-25 15:16:13,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 15:16:13,409 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2020-09-25 15:16:13,409 INFO L130 BoogieDeclarations]: Found specification of procedure spi_setup [2020-09-25 15:16:13,409 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2020-09-25 15:16:13,409 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2020-09-25 15:16:13,409 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2020-09-25 15:16:13,410 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add_resources [2020-09-25 15:16:13,410 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add_data [2020-09-25 15:16:13,410 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2020-09-25 15:16:13,410 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_put [2020-09-25 15:16:13,410 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_reset [2020-09-25 15:16:13,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 15:16:13,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 15:16:13,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 15:16:13,413 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_init [2020-09-25 15:16:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 15:16:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_read_busy [2020-09-25 15:16:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_raw_read [2020-09-25 15:16:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_raw_write [2020-09-25 15:16:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_probe [2020-09-25 15:16:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_remove [2020-09-25 15:16:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_spi_driver_init [2020-09-25 15:16:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_spi_driver_exit [2020-09-25 15:16:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 15:16:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-09-25 15:16:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 15:16:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_2 [2020-09-25 15:16:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 15:16:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-09-25 15:16:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-09-25 15:16:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-09-25 15:16:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-09-25 15:16:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-09-25 15:16:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-09-25 15:16:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-09-25 15:16:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-09-25 15:16:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 15:16:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-09-25 15:16:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-09-25 15:16:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-09-25 15:16:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-09-25 15:16:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-09-25 15:16:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-09-25 15:16:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-09-25 15:16:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 15:16:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 15:16:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 15:16:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 15:16:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 15:16:14,533 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 15:16:15,483 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-09-25 15:16:15,825 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 15:16:15,826 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 15:16:15,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:16:15 BoogieIcfgContainer [2020-09-25 15:16:15,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 15:16:15,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 15:16:15,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 15:16:15,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 15:16:15,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:16:10" (1/3) ... [2020-09-25 15:16:15,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bde844e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:16:15, skipping insertion in model container [2020-09-25 15:16:15,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:12" (2/3) ... [2020-09-25 15:16:15,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bde844e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:16:15, skipping insertion in model container [2020-09-25 15:16:15,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:16:15" (3/3) ... [2020-09-25 15:16:15,856 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 [2020-09-25 15:16:15,870 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 15:16:15,886 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 15:16:15,909 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 15:16:15,956 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 15:16:15,956 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 15:16:15,956 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 15:16:15,957 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 15:16:15,957 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 15:16:15,957 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 15:16:15,957 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 15:16:15,957 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 15:16:16,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states. [2020-09-25 15:16:16,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-09-25 15:16:16,055 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 15:16:16,057 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] [2020-09-25 15:16:16,057 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 15:16:16,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 15:16:16,068 INFO L82 PathProgramCache]: Analyzing trace with hash -126969232, now seen corresponding path program 1 times [2020-09-25 15:16:16,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 15:16:16,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1386354478] [2020-09-25 15:16:16,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 15:16:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:16,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:17,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:17,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:19,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:21,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:21,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-25 15:16:21,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 15:16:21,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5097 [2020-09-25 15:16:21,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:21,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:21,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:21,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-09-25 15:16:21,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 15:16:21,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 15:16:22,803 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 15:16:22,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 15:16:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:22,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:23,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:23,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 15:16:23,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:23,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 366 [2020-09-25 15:16:23,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:23,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:23,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:23,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:23,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-25 15:16:23,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:23,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 15:16:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:23,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:23,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:23,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 15:16:23,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:23,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-25 15:16:23,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:23,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:23,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:23,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:23,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 15:16:23,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:23,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 15:16:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:23,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:23,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:23,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 15:16:23,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:23,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-09-25 15:16:23,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:23,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:23,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:23,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:23,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 15:16:23,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:23,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 15:16:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:23,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:23,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:23,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 15:16:23,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:23,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 15:16:23,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:23,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:23,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:23,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:23,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 15:16:23,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:23,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 15:16:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:23,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:23,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:24,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:24,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 15:16:24,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 15:16:24,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-09-25 15:16:24,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:24,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:24,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:24,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:24,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 15:16:24,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:24,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 15:16:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:24,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:24,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:24,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:24,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 15:16:24,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 15:16:24,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 204 [2020-09-25 15:16:24,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:24,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:24,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:24,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:24,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 15:16:24,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:24,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 15:16:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:24,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:24,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:24,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 15:16:24,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:24,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 15:16:24,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:24,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:24,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:24,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:24,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 15:16:24,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:24,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 15:16:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:24,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:24,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:24,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 15:16:24,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:24,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-25 15:16:24,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:24,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:24,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:24,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:24,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:24,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:24,752 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-25 15:16:24,753 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1386354478] [2020-09-25 15:16:24,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 15:16:24,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 15:16:24,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343066651] [2020-09-25 15:16:24,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 15:16:24,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 15:16:24,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 15:16:24,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 15:16:24,793 INFO L87 Difference]: Start difference. First operand 1099 states. Second operand 7 states. [2020-09-25 15:16:25,178 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 15:16:26,179 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-25 15:16:26,551 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 15:16:27,199 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 15:16:33,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 15:16:33,793 INFO L93 Difference]: Finished difference Result 2314 states and 2732 transitions. [2020-09-25 15:16:33,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 15:16:33,796 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 190 [2020-09-25 15:16:33,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 15:16:33,836 INFO L225 Difference]: With dead ends: 2314 [2020-09-25 15:16:33,837 INFO L226 Difference]: Without dead ends: 1311 [2020-09-25 15:16:33,855 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-09-25 15:16:33,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1311 states. [2020-09-25 15:16:34,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1311 to 1058. [2020-09-25 15:16:34,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2020-09-25 15:16:34,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1178 transitions. [2020-09-25 15:16:34,053 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1178 transitions. Word has length 190 [2020-09-25 15:16:34,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 15:16:34,055 INFO L479 AbstractCegarLoop]: Abstraction has 1058 states and 1178 transitions. [2020-09-25 15:16:34,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 15:16:34,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1178 transitions. [2020-09-25 15:16:34,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-09-25 15:16:34,060 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 15:16:34,060 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, 1] [2020-09-25 15:16:34,061 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 15:16:34,061 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 15:16:34,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 15:16:34,062 INFO L82 PathProgramCache]: Analyzing trace with hash 358410787, now seen corresponding path program 1 times [2020-09-25 15:16:34,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 15:16:34,062 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1035005000] [2020-09-25 15:16:34,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 15:16:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:34,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:34,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:34,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:36,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:39,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:39,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 15:16:39,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 15:16:39,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5065 [2020-09-25 15:16:39,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:39,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:39,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:39,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-09-25 15:16:39,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 15:16:39,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:40,001 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 15:16:40,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 15:16:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:40,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:40,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:40,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 15:16:40,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:40,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-09-25 15:16:40,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:40,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:40,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:40,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:40,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-25 15:16:40,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:40,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 15:16:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:40,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:40,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:40,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 15:16:40,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:40,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-25 15:16:40,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:40,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:40,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:40,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:40,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 15:16:40,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 15:16:40,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 15:16:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:40,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:40,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:40,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 15:16:40,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:40,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-25 15:16:40,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:40,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:40,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:40,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:40,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 15:16:40,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 15:16:40,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 15:16:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:40,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:40,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:40,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 15:16:40,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:40,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-25 15:16:40,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:40,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:40,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:40,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:40,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 15:16:40,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:40,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 15:16:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:40,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:40,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:41,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:41,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 15:16:41,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 15:16:41,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-09-25 15:16:41,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:41,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:41,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:41,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:41,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 15:16:41,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:41,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 15:16:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:41,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:41,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:41,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:41,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 15:16:41,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 15:16:41,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-09-25 15:16:41,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:41,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:41,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:41,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:41,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 15:16:41,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:41,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 15:16:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:41,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:41,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:41,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 15:16:41,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:41,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-25 15:16:41,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:41,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:41,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:41,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:41,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 15:16:41,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:41,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 15:16:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:41,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:41,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:41,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 15:16:41,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:41,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-25 15:16:41,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:41,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:41,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:41,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:41,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:41,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:41,591 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-25 15:16:41,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1035005000] [2020-09-25 15:16:41,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 15:16:41,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 15:16:41,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296224289] [2020-09-25 15:16:41,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 15:16:41,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 15:16:41,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 15:16:41,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 15:16:41,596 INFO L87 Difference]: Start difference. First operand 1058 states and 1178 transitions. Second operand 7 states. [2020-09-25 15:16:41,927 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 15:16:42,931 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-25 15:16:43,401 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 15:16:44,048 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 15:16:50,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 15:16:50,546 INFO L93 Difference]: Finished difference Result 1313 states and 1535 transitions. [2020-09-25 15:16:50,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 15:16:50,547 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 191 [2020-09-25 15:16:50,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 15:16:50,560 INFO L225 Difference]: With dead ends: 1313 [2020-09-25 15:16:50,560 INFO L226 Difference]: Without dead ends: 1310 [2020-09-25 15:16:50,562 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-09-25 15:16:50,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2020-09-25 15:16:50,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1057. [2020-09-25 15:16:50,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1057 states. [2020-09-25 15:16:50,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1176 transitions. [2020-09-25 15:16:50,644 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1176 transitions. Word has length 191 [2020-09-25 15:16:50,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 15:16:50,645 INFO L479 AbstractCegarLoop]: Abstraction has 1057 states and 1176 transitions. [2020-09-25 15:16:50,645 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 15:16:50,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1176 transitions. [2020-09-25 15:16:50,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-25 15:16:50,648 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 15:16:50,649 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, 1, 1] [2020-09-25 15:16:50,649 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 15:16:50,649 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 15:16:50,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 15:16:50,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1774672941, now seen corresponding path program 1 times [2020-09-25 15:16:50,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 15:16:50,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1162029485] [2020-09-25 15:16:50,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 15:16:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:50,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:50,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:51,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:52,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:55,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:55,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-09-25 15:16:55,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 15:16:55,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-09-25 15:16:55,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:55,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:55,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:55,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 15:16:55,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 15:16:55,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 15:16:56,603 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 15:16:56,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 15:16:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:56,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:56,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:56,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 15:16:56,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:56,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 304 [2020-09-25 15:16:56,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:56,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:56,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:56,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:56,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 15:16:56,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:57,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 15:16:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:57,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:57,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:57,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 15:16:57,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:57,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-25 15:16:57,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:57,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:57,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:57,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:57,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 15:16:57,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:57,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 15:16:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:57,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:57,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:57,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 15:16:57,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:57,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-25 15:16:57,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:57,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:57,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:57,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:57,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 15:16:57,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:57,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 15:16:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:57,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:57,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:57,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 15:16:57,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:57,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 15:16:57,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:57,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:57,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:57,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:57,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 15:16:57,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:57,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 15:16:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:57,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:57,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:57,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:57,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 15:16:57,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 15:16:57,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-09-25 15:16:57,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:57,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:57,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:57,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:57,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 15:16:57,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:57,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 15:16:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:57,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:57,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:57,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:57,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 15:16:57,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 15:16:57,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-09-25 15:16:57,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:57,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:57,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:57,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:57,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 15:16:57,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:57,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 15:16:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:57,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:57,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:57,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 15:16:57,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:57,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-25 15:16:57,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:57,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:57,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:57,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:57,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 15:16:57,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 15:16:57,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 15:16:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:57,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:57,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:57,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 15:16:57,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:57,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 15:16:57,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:57,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:57,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:57,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:57,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:57,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:58,011 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-25 15:16:58,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1162029485] [2020-09-25 15:16:58,012 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 15:16:58,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 15:16:58,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292522676] [2020-09-25 15:16:58,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 15:16:58,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 15:16:58,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 15:16:58,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 15:16:58,015 INFO L87 Difference]: Start difference. First operand 1057 states and 1176 transitions. Second operand 6 states. [2020-09-25 15:16:58,335 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 196