/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --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 05:04:26,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:04:26,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:04:26,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:04:26,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:04:26,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:04:26,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:04:26,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:04:26,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:04:26,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:04:26,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:04:26,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:04:26,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:04:26,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:04:26,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:04:26,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:04:26,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:04:26,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:04:26,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:04:26,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:04:26,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:04:26,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:04:26,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:04:26,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:04:26,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:04:26,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:04:26,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:04:26,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:04:26,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:04:26,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:04:26,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:04:26,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:04:26,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:04:26,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:04:26,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:04:26,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:04:26,163 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:04:26,163 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:04:26,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:04:26,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:04:26,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:04:26,166 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 05:04:26,193 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:04:26,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:04:26,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:04:26,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:04:26,198 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:04:26,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:04:26,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:04:26,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:04:26,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:04:26,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:04:26,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:04:26,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:04:26,200 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:04:26,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:04:26,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:04:26,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:04:26,202 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:04:26,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:04:26,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:04:26,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:04:26,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:04:26,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:04:26,204 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:04:26,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:04:26,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:04:26,204 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:04:26,205 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 05:04:26,205 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=WIDESTAMONGSMALL;tolerance=0.2;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=WIDESTAMONGSMALL;tolerance=0.2;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=WIDESTAMONGSMALL;tolerance=0.2;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=WIDESTAMONGSMALL;tolerance=0.2;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=WIDESTAMONGSMALL;tolerance=0.2;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=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-09-25 05:04:26,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:04:26,697 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:04:26,702 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:04:26,704 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:04:26,705 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:04:26,706 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2020-09-25 05:04:26,784 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7bc923e0b/e8c43111ed7348788fb87cffbb460e8f/FLAG9d35a1447 [2020-09-25 05:04:27,634 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:04:27,635 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2020-09-25 05:04:27,675 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7bc923e0b/e8c43111ed7348788fb87cffbb460e8f/FLAG9d35a1447 [2020-09-25 05:04:28,172 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7bc923e0b/e8c43111ed7348788fb87cffbb460e8f [2020-09-25 05:04:28,185 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:04:28,191 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:04:28,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:04:28,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:04:28,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:04:28,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:04:28" (1/1) ... [2020-09-25 05:04:28,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14fb4a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:28, skipping insertion in model container [2020-09-25 05:04:28,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:04:28" (1/1) ... [2020-09-25 05:04:28,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:04:28,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:04:29,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:04:29,927 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:04:30,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:04:30,371 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:04:30,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:30 WrapperNode [2020-09-25 05:04:30,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:04:30,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:04:30,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:04:30,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:04:30,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:30" (1/1) ... [2020-09-25 05:04:30,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:30" (1/1) ... [2020-09-25 05:04:30,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:30" (1/1) ... [2020-09-25 05:04:30,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:30" (1/1) ... [2020-09-25 05:04:30,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:30" (1/1) ... [2020-09-25 05:04:30,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:30" (1/1) ... [2020-09-25 05:04:30,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:30" (1/1) ... [2020-09-25 05:04:30,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:04:30,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:04:30,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:04:30,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:04:30,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:30" (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 05:04:30,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:04:30,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:04:30,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 05:04:30,722 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-09-25 05:04:30,723 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-09-25 05:04:30,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-09-25 05:04:30,723 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-09-25 05:04:30,724 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-25 05:04:30,724 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 05:04:30,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 05:04:30,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 05:04:30,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 05:04:30,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 05:04:30,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 05:04:30,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 05:04:30,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 05:04:30,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 05:04:30,727 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2020-09-25 05:04:30,727 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_set_drvdata [2020-09-25 05:04:30,727 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2020-09-25 05:04:30,727 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_unregister_driver [2020-09-25 05:04:30,728 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2020-09-25 05:04:30,728 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2020-09-25 05:04:30,728 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_reset [2020-09-25 05:04:30,728 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_init [2020-09-25 05:04:30,729 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_read_busy [2020-09-25 05:04:30,729 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_raw_read [2020-09-25 05:04:30,729 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_raw_write [2020-09-25 05:04:30,729 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_probe [2020-09-25 05:04:30,730 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_remove [2020-09-25 05:04:30,730 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_spi_driver_init [2020-09-25 05:04:30,730 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_spi_driver_exit [2020-09-25 05:04:30,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_wl1271_if_operations_2 [2020-09-25 05:04:30,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_spi_driver_1 [2020-09-25 05:04:30,731 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:04:30,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-09-25 05:04:30,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-09-25 05:04:30,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-09-25 05:04:30,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-09-25 05:04:30,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-09-25 05:04:30,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-09-25 05:04:30,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-09-25 05:04:30,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-09-25 05:04:30,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-09-25 05:04:30,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-09-25 05:04:30,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-09-25 05:04:30,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-09-25 05:04:30,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-09-25 05:04:30,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-09-25 05:04:30,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 05:04:30,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-09-25 05:04:30,736 INFO L138 BoogieDeclarations]: Found implementation of procedure crc7 [2020-09-25 05:04:30,736 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-25 05:04:30,736 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 05:04:30,737 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 05:04:30,737 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2020-09-25 05:04:30,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 05:04:30,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-09-25 05:04:30,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_2 [2020-09-25 05:04:30,738 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add [2020-09-25 05:04:30,738 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add_data [2020-09-25 05:04:30,738 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add_resources [2020-09-25 05:04:30,739 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_alloc [2020-09-25 05:04:30,739 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_put [2020-09-25 05:04:30,739 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2020-09-25 05:04:30,740 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_register_driver [2020-09-25 05:04:30,740 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_setup [2020-09-25 05:04:30,740 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2020-09-25 05:04:30,740 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-25 05:04:30,741 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 05:04:30,806 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 05:04:30,807 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 05:04:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:04:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 05:04:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 05:04:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-25 05:04:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-09-25 05:04:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:04:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-09-25 05:04:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-09-25 05:04:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:04:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2020-09-25 05:04:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 05:04:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 05:04:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-25 05:04:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 05:04:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 05:04:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-09-25 05:04:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-09-25 05:04:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 05:04:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-25 05:04:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:04:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 05:04:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:04:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2020-09-25 05:04:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 05:04:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 05:04:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 05:04:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 05:04:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 05:04:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 05:04:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 05:04:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 05:04:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 05:04:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 05:04:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_wl1271_if_operations_2 [2020-09-25 05:04:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_spi_driver_1 [2020-09-25 05:04:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure crc7 [2020-09-25 05:04:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2020-09-25 05:04:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure spi_set_drvdata [2020-09-25 05:04:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2020-09-25 05:04:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure spi_register_driver [2020-09-25 05:04:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure spi_unregister_driver [2020-09-25 05:04:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2020-09-25 05:04:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 05:04:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2020-09-25 05:04:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure spi_setup [2020-09-25 05:04:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2020-09-25 05:04:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2020-09-25 05:04:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2020-09-25 05:04:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add_resources [2020-09-25 05:04:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add_data [2020-09-25 05:04:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2020-09-25 05:04:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_put [2020-09-25 05:04:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_reset [2020-09-25 05:04:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:04:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:04:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:04:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_init [2020-09-25 05:04:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:04:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_read_busy [2020-09-25 05:04:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_raw_read [2020-09-25 05:04:30,818 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_raw_write [2020-09-25 05:04:30,818 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_probe [2020-09-25 05:04:30,818 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_remove [2020-09-25 05:04:30,818 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_spi_driver_init [2020-09-25 05:04:30,818 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_spi_driver_exit [2020-09-25 05:04:30,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 05:04:30,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-09-25 05:04:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 05:04:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_2 [2020-09-25 05:04:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:04:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-09-25 05:04:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-09-25 05:04:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-09-25 05:04:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-09-25 05:04:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-09-25 05:04:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-09-25 05:04:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-09-25 05:04:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-09-25 05:04:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 05:04:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-09-25 05:04:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-09-25 05:04:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-09-25 05:04:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-09-25 05:04:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-09-25 05:04:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-09-25 05:04:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-09-25 05:04:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:04:30,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:04:30,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 05:04:30,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 05:04:30,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:04:32,082 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 05:04:32,859 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-09-25 05:04:33,328 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:04:33,328 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 05:04:33,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:04:33 BoogieIcfgContainer [2020-09-25 05:04:33,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:04:33,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:04:33,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:04:33,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:04:33,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:04:28" (1/3) ... [2020-09-25 05:04:33,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5511ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:04:33, skipping insertion in model container [2020-09-25 05:04:33,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:30" (2/3) ... [2020-09-25 05:04:33,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5511ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:04:33, skipping insertion in model container [2020-09-25 05:04:33,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:04:33" (3/3) ... [2020-09-25 05:04:33,355 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 05:04:33,367 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:04:33,379 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:04:33,401 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:04:33,437 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:04:33,437 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:04:33,438 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:04:33,438 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:04:33,438 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:04:33,438 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:04:33,438 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:04:33,438 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:04:33,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states. [2020-09-25 05:04:33,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-09-25 05:04:33,501 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:04:33,502 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 05:04:33,503 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:04:33,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:04:33,511 INFO L82 PathProgramCache]: Analyzing trace with hash -126969232, now seen corresponding path program 1 times [2020-09-25 05:04:33,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:04:33,522 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1974366247] [2020-09-25 05:04:33,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:04:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:34,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:34,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:35,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:37,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:39,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:39,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-25 05:04:39,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:04:39,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-09-25 05:04:39,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:39,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:39,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:39,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-09-25 05:04:39,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 05:04:39,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 05:04:40,025 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:04:40,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:04:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:40,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:40,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:40,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 05:04:40,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:40,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 449 [2020-09-25 05:04:40,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:40,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:40,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:40,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:40,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-25 05:04:40,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:40,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 05:04:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:40,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:40,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:40,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:04:40,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:40,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-25 05:04:40,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:40,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:40,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:40,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:40,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 05:04:40,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:40,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 05:04:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:40,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:41,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:41,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:04:41,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:41,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 05:04:41,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:41,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:41,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:41,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:41,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 05:04:41,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:41,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 05:04:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:41,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:41,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:41,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:04:41,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:41,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-25 05:04:41,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:41,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:41,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:41,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:41,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:04:41,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:41,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 05:04:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:41,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:41,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:41,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:41,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:04:41,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:04:41,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-09-25 05:04:41,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:41,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:41,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:41,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:41,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 05:04:41,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:41,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 05:04:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:41,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:41,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:41,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:41,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:04:41,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:04:41,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247 [2020-09-25 05:04:41,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:41,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:41,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:41,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:41,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 05:04:41,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:04:41,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 05:04:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:41,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:41,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:41,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 05:04:41,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:41,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-25 05:04:41,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:41,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:41,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:41,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:41,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 05:04:41,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:41,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:04:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:41,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:41,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:41,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:04:41,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:41,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-25 05:04:41,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:41,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:41,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:41,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:41,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:41,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:04:41,998 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 05:04:41,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1974366247] [2020-09-25 05:04:42,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:04:42,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 05:04:42,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112243305] [2020-09-25 05:04:42,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 05:04:42,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:04:42,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 05:04:42,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:04:42,034 INFO L87 Difference]: Start difference. First operand 1099 states. Second operand 7 states. [2020-09-25 05:04:42,407 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 05:04:43,229 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-25 05:04:43,677 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:04:49,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:04:49,867 INFO L93 Difference]: Finished difference Result 2313 states and 2731 transitions. [2020-09-25 05:04:49,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 05:04:49,869 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 190 [2020-09-25 05:04:49,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:04:49,903 INFO L225 Difference]: With dead ends: 2313 [2020-09-25 05:04:49,903 INFO L226 Difference]: Without dead ends: 1310 [2020-09-25 05:04:49,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-09-25 05:04:49,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2020-09-25 05:04:50,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1058. [2020-09-25 05:04:50,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2020-09-25 05:04:50,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1178 transitions. [2020-09-25 05:04:50,190 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1178 transitions. Word has length 190 [2020-09-25 05:04:50,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:04:50,194 INFO L479 AbstractCegarLoop]: Abstraction has 1058 states and 1178 transitions. [2020-09-25 05:04:50,194 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 05:04:50,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1178 transitions. [2020-09-25 05:04:50,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-09-25 05:04:50,213 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:04:50,214 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 05:04:50,214 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:04:50,215 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:04:50,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:04:50,216 INFO L82 PathProgramCache]: Analyzing trace with hash 358410787, now seen corresponding path program 1 times [2020-09-25 05:04:50,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:04:50,216 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1760257316] [2020-09-25 05:04:50,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:04:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:50,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:50,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:51,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:52,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:55,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:55,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 05:04:55,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:04:55,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 05:04:55,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:55,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:55,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:55,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-09-25 05:04:55,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 05:04:55,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:56,079 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:04:56,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:04:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:56,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:56,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:56,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 05:04:56,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:56,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 301 [2020-09-25 05:04:56,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:56,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:56,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:56,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:56,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-25 05:04:56,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:56,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 05:04:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:56,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:56,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:56,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:04:56,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:56,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-25 05:04:56,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:56,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:56,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:56,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:56,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 05:04:56,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:04:56,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 05:04:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:56,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:56,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:56,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:04:56,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:56,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-25 05:04:56,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:56,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:56,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:56,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:56,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 05:04:56,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:56,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 05:04:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:56,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:56,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:56,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:04:56,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:56,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-25 05:04:56,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:56,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:56,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:56,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:56,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:04:56,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:04:56,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 05:04:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:56,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:56,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:57,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:57,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:04:57,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:04:57,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-09-25 05:04:57,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:57,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:57,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:57,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:57,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 05:04:57,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:57,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 05:04:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:57,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:57,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:57,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:57,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:04:57,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:04:57,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-09-25 05:04:57,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:57,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:57,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:57,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:57,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 05:04:57,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:04:57,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 05:04:57,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:57,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:57,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:57,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 05:04:57,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:57,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 05:04:57,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:57,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:57,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:57,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:57,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 05:04:57,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:57,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:04:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:57,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:57,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:57,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:04:57,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:57,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 05:04:57,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:57,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:57,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:57,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:57,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:57,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:57,653 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 05:04:57,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1760257316] [2020-09-25 05:04:57,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:04:57,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 05:04:57,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039499511] [2020-09-25 05:04:57,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 05:04:57,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:04:57,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 05:04:57,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:04:57,659 INFO L87 Difference]: Start difference. First operand 1058 states and 1178 transitions. Second operand 7 states. [2020-09-25 05:04:57,897 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 05:04:58,721 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-25 05:04:59,085 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:05:05,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:05:05,141 INFO L93 Difference]: Finished difference Result 1312 states and 1534 transitions. [2020-09-25 05:05:05,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 05:05:05,144 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 191 [2020-09-25 05:05:05,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:05:05,155 INFO L225 Difference]: With dead ends: 1312 [2020-09-25 05:05:05,155 INFO L226 Difference]: Without dead ends: 1309 [2020-09-25 05:05:05,157 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-09-25 05:05:05,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2020-09-25 05:05:05,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 1057. [2020-09-25 05:05:05,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1057 states. [2020-09-25 05:05:05,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1176 transitions. [2020-09-25 05:05:05,236 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1176 transitions. Word has length 191 [2020-09-25 05:05:05,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:05:05,237 INFO L479 AbstractCegarLoop]: Abstraction has 1057 states and 1176 transitions. [2020-09-25 05:05:05,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 05:05:05,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1176 transitions. [2020-09-25 05:05:05,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-25 05:05:05,240 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:05:05,240 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 05:05:05,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:05:05,241 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:05:05,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:05:05,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1774672941, now seen corresponding path program 1 times [2020-09-25 05:05:05,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:05:05,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1751007193] [2020-09-25 05:05:05,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:05:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:05,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:05,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:05,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:07,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:10,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:10,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-09-25 05:05:10,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:05:10,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-09-25 05:05:10,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:10,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:10,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:05:10,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 05:05:10,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 05:05:10,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:10,865 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:05:10,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:05:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:10,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:11,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:11,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 05:05:11,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:11,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 333 [2020-09-25 05:05:11,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:11,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:11,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:05:11,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:11,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 05:05:11,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:11,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 05:05:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:11,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:11,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:11,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:05:11,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:11,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-25 05:05:11,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:11,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:11,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:05:11,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:11,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 05:05:11,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:11,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 05:05:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:11,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:11,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:11,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:05:11,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:11,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-25 05:05:11,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:11,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:11,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:05:11,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:11,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 05:05:11,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:11,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 05:05:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:11,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:11,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:11,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:05:11,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:11,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 05:05:11,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:11,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:11,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:05:11,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:11,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:05:11,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:11,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 05:05:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:11,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:11,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:11,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:11,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:05:11,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:05:11,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-09-25 05:05:11,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:11,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:11,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:05:11,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:11,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 05:05:11,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:11,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 05:05:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:11,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:11,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:12,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:12,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:05:12,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:05:12,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-09-25 05:05:12,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:12,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:12,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:05:12,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:12,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 05:05:12,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:12,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 05:05:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:12,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:12,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:12,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 05:05:12,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:12,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-25 05:05:12,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:12,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:12,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:05:12,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:12,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 05:05:12,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:12,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:05:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:12,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:12,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:12,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:05:12,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:12,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 05:05:12,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:12,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:12,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:12,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:12,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:12,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:12,251 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 05:05:12,252 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1751007193] [2020-09-25 05:05:12,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:05:12,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 05:05:12,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212680852] [2020-09-25 05:05:12,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:05:12,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:05:12,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:05:12,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:05:12,255 INFO L87 Difference]: Start difference. First operand 1057 states and 1176 transitions. Second operand 6 states. [2020-09-25 05:05:12,536 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 05:05:13,350 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-25 05:05:13,742 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 189