/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=SHALLOWEST --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 00:33:52,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:33:52,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:33:52,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:33:52,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:33:52,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:33:52,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:33:52,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:33:52,996 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:33:52,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:33:52,998 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:33:52,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:33:53,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:33:53,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:33:53,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:33:53,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:33:53,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:33:53,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:33:53,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:33:53,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:33:53,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:33:53,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:33:53,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:33:53,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:33:53,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:33:53,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:33:53,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:33:53,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:33:53,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:33:53,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:33:53,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:33:53,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:33:53,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:33:53,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:33:53,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:33:53,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:33:53,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:33:53,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:33:53,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:33:53,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:33:53,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:33:53,065 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 00:33:53,090 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:33:53,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:33:53,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:33:53,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:33:53,093 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:33:53,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:33:53,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:33:53,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:33:53,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:33:53,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:33:53,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:33:53,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:33:53,094 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:33:53,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:33:53,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:33:53,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:33:53,095 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:33:53,096 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:33:53,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:33:53,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:33:53,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:33:53,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:33:53,097 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:33:53,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:33:53,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:33:53,097 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:33:53,097 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 00:33:53,098 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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;log-additional-information=true; [2020-09-25 00:33:53,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:33:53,574 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:33:53,581 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:33:53,582 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:33:53,583 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:33:53,585 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2020-09-25 00:33:53,682 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/487e7afcb/7a2eced6b3c14f73901667ef10b2160b/FLAGbbd4515de [2020-09-25 00:33:54,606 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:33:54,607 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2020-09-25 00:33:54,666 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/487e7afcb/7a2eced6b3c14f73901667ef10b2160b/FLAGbbd4515de [2020-09-25 00:33:55,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/487e7afcb/7a2eced6b3c14f73901667ef10b2160b [2020-09-25 00:33:55,088 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:33:55,093 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:33:55,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:33:55,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:33:55,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:33:55,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:33:55" (1/1) ... [2020-09-25 00:33:55,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6165aa75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:33:55, skipping insertion in model container [2020-09-25 00:33:55,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:33:55" (1/1) ... [2020-09-25 00:33:55,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:33:55,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:33:56,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:33:56,716 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:33:56,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:33:57,002 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:33:57,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:33:57 WrapperNode [2020-09-25 00:33:57,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:33:57,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:33:57,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:33:57,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:33:57,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:33:57" (1/1) ... [2020-09-25 00:33:57,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:33:57" (1/1) ... [2020-09-25 00:33:57,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:33:57" (1/1) ... [2020-09-25 00:33:57,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:33:57" (1/1) ... [2020-09-25 00:33:57,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:33:57" (1/1) ... [2020-09-25 00:33:57,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:33:57" (1/1) ... [2020-09-25 00:33:57,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:33:57" (1/1) ... [2020-09-25 00:33:57,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:33:57,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:33:57,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:33:57,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:33:57,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:33:57" (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 00:33:57,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:33:57,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:33:57,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 00:33:57,303 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-09-25 00:33:57,304 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-09-25 00:33:57,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-09-25 00:33:57,305 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-09-25 00:33:57,306 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-25 00:33:57,306 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 00:33:57,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 00:33:57,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 00:33:57,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 00:33:57,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 00:33:57,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 00:33:57,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 00:33:57,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 00:33:57,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 00:33:57,313 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2020-09-25 00:33:57,313 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_set_drvdata [2020-09-25 00:33:57,314 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2020-09-25 00:33:57,314 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_unregister_driver [2020-09-25 00:33:57,314 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2020-09-25 00:33:57,314 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2020-09-25 00:33:57,315 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_reset [2020-09-25 00:33:57,315 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_init [2020-09-25 00:33:57,315 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_read_busy [2020-09-25 00:33:57,316 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_raw_read [2020-09-25 00:33:57,316 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_raw_write [2020-09-25 00:33:57,317 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_probe [2020-09-25 00:33:57,317 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_remove [2020-09-25 00:33:57,317 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_spi_driver_init [2020-09-25 00:33:57,318 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_spi_driver_exit [2020-09-25 00:33:57,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_wl1271_if_operations_2 [2020-09-25 00:33:57,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_spi_driver_1 [2020-09-25 00:33:57,320 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:33:57,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-09-25 00:33:57,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-09-25 00:33:57,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-09-25 00:33:57,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-09-25 00:33:57,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-09-25 00:33:57,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-09-25 00:33:57,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-09-25 00:33:57,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-09-25 00:33:57,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-09-25 00:33:57,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-09-25 00:33:57,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-09-25 00:33:57,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-09-25 00:33:57,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-09-25 00:33:57,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-09-25 00:33:57,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 00:33:57,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-09-25 00:33:57,325 INFO L138 BoogieDeclarations]: Found implementation of procedure crc7 [2020-09-25 00:33:57,325 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-25 00:33:57,326 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 00:33:57,326 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 00:33:57,327 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2020-09-25 00:33:57,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 00:33:57,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-09-25 00:33:57,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_2 [2020-09-25 00:33:57,328 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add [2020-09-25 00:33:57,328 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add_data [2020-09-25 00:33:57,328 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add_resources [2020-09-25 00:33:57,328 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_alloc [2020-09-25 00:33:57,329 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_put [2020-09-25 00:33:57,329 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2020-09-25 00:33:57,329 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_register_driver [2020-09-25 00:33:57,329 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_setup [2020-09-25 00:33:57,329 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2020-09-25 00:33:57,329 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-25 00:33:57,330 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 00:33:57,330 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 00:33:57,331 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 00:33:57,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:33:57,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 00:33:57,332 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 00:33:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-25 00:33:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-09-25 00:33:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 00:33:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-09-25 00:33:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-09-25 00:33:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 00:33:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2020-09-25 00:33:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 00:33:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 00:33:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-25 00:33:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 00:33:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 00:33:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-09-25 00:33:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-09-25 00:33:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 00:33:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-25 00:33:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:33:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 00:33:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:33:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2020-09-25 00:33:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 00:33:57,340 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 00:33:57,340 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 00:33:57,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:33:57,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 00:33:57,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 00:33:57,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 00:33:57,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 00:33:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 00:33:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 00:33:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_wl1271_if_operations_2 [2020-09-25 00:33:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_spi_driver_1 [2020-09-25 00:33:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure crc7 [2020-09-25 00:33:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2020-09-25 00:33:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure spi_set_drvdata [2020-09-25 00:33:57,344 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2020-09-25 00:33:57,344 INFO L130 BoogieDeclarations]: Found specification of procedure spi_register_driver [2020-09-25 00:33:57,344 INFO L130 BoogieDeclarations]: Found specification of procedure spi_unregister_driver [2020-09-25 00:33:57,344 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2020-09-25 00:33:57,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 00:33:57,345 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2020-09-25 00:33:57,346 INFO L130 BoogieDeclarations]: Found specification of procedure spi_setup [2020-09-25 00:33:57,346 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2020-09-25 00:33:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2020-09-25 00:33:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2020-09-25 00:33:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add_resources [2020-09-25 00:33:57,348 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add_data [2020-09-25 00:33:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2020-09-25 00:33:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_put [2020-09-25 00:33:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_reset [2020-09-25 00:33:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:33:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:33:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:33:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_init [2020-09-25 00:33:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:33:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_read_busy [2020-09-25 00:33:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_raw_read [2020-09-25 00:33:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_raw_write [2020-09-25 00:33:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_probe [2020-09-25 00:33:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_remove [2020-09-25 00:33:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_spi_driver_init [2020-09-25 00:33:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_spi_driver_exit [2020-09-25 00:33:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 00:33:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-09-25 00:33:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 00:33:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_2 [2020-09-25 00:33:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:33:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-09-25 00:33:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-09-25 00:33:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-09-25 00:33:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-09-25 00:33:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-09-25 00:33:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-09-25 00:33:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-09-25 00:33:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-09-25 00:33:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 00:33:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-09-25 00:33:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-09-25 00:33:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-09-25 00:33:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-09-25 00:33:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-09-25 00:33:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-09-25 00:33:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-09-25 00:33:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 00:33:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:33:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 00:33:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 00:33:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:33:58,476 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 00:33:59,469 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-09-25 00:33:59,875 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:33:59,875 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 00:33:59,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:33:59 BoogieIcfgContainer [2020-09-25 00:33:59,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:33:59,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:33:59,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:33:59,893 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:33:59,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:33:55" (1/3) ... [2020-09-25 00:33:59,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@732b9e96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:33:59, skipping insertion in model container [2020-09-25 00:33:59,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:33:57" (2/3) ... [2020-09-25 00:33:59,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@732b9e96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:33:59, skipping insertion in model container [2020-09-25 00:33:59,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:33:59" (3/3) ... [2020-09-25 00:33:59,897 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 00:33:59,910 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:33:59,923 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:33:59,947 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:33:59,983 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:33:59,983 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:33:59,983 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:33:59,983 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:33:59,984 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:33:59,984 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:33:59,984 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:33:59,984 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:34:00,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states. [2020-09-25 00:34:00,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-09-25 00:34:00,048 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:34:00,050 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 00:34:00,051 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:34:00,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:34:00,059 INFO L82 PathProgramCache]: Analyzing trace with hash -126969232, now seen corresponding path program 1 times [2020-09-25 00:34:00,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:34:00,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [4866362] [2020-09-25 00:34:00,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:34:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:00,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:01,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:01,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:03,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:05,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:05,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-25 00:34:05,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 00:34:05,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-09-25 00:34:05,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:05,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:05,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-09-25 00:34:05,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 00:34:05,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 00:34:06,519 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:34:06,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:34:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:06,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:06,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:06,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 00:34:06,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:06,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 344 [2020-09-25 00:34:06,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:06,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:06,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:06,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-25 00:34:06,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:07,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 00:34:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:07,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:07,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:07,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:34:07,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:07,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-09-25 00:34:07,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:07,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:07,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:07,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 00:34:07,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:34:07,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 00:34:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:07,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:07,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:07,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:34:07,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:07,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 00:34:07,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:07,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:07,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:07,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 00:34:07,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:07,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 00:34:07,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:07,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:07,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:07,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:34:07,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:07,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-25 00:34:07,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:07,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:07,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:07,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:34:07,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:34:07,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 00:34:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:07,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:07,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:07,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:07,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:34:07,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:34:07,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-09-25 00:34:07,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:07,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:07,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:07,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 00:34:07,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:34:07,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 00:34:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:07,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:07,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:08,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:08,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:34:08,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:34:08,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-09-25 00:34:08,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:08,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:08,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:08,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 00:34:08,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:34:08,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 00:34:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:08,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:08,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:08,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 00:34:08,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:08,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-25 00:34:08,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:08,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:08,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:08,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 00:34:08,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:08,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:34:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:08,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:08,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:08,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:34:08,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:08,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 00:34:08,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:08,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:34:08,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:08,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:34:08,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:34:08,326 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 00:34:08,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [4866362] [2020-09-25 00:34:08,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:34:08,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 00:34:08,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977868104] [2020-09-25 00:34:08,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 00:34:08,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:34:08,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 00:34:08,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 00:34:08,364 INFO L87 Difference]: Start difference. First operand 1099 states. Second operand 7 states. [2020-09-25 00:34:08,814 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 00:34:09,849 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-25 00:34:10,287 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:34:16,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:34:16,909 INFO L93 Difference]: Finished difference Result 2313 states and 2731 transitions. [2020-09-25 00:34:16,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 00:34:16,912 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 190 [2020-09-25 00:34:16,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:34:16,946 INFO L225 Difference]: With dead ends: 2313 [2020-09-25 00:34:16,946 INFO L226 Difference]: Without dead ends: 1310 [2020-09-25 00:34:16,959 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-09-25 00:34:16,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2020-09-25 00:34:17,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1058. [2020-09-25 00:34:17,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2020-09-25 00:34:17,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1178 transitions. [2020-09-25 00:34:17,156 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1178 transitions. Word has length 190 [2020-09-25 00:34:17,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:34:17,157 INFO L479 AbstractCegarLoop]: Abstraction has 1058 states and 1178 transitions. [2020-09-25 00:34:17,158 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 00:34:17,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1178 transitions. [2020-09-25 00:34:17,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-09-25 00:34:17,165 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:34:17,165 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 00:34:17,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:34:17,166 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:34:17,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:34:17,166 INFO L82 PathProgramCache]: Analyzing trace with hash 358410787, now seen corresponding path program 1 times [2020-09-25 00:34:17,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:34:17,167 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1114076468] [2020-09-25 00:34:17,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:34:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:17,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:17,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:17,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:19,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:22,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:22,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 00:34:22,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 00:34:22,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-09-25 00:34:22,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:22,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:22,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-09-25 00:34:22,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 00:34:22,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:23,038 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:34:23,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:34:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:23,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:23,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:23,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 00:34:23,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:23,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-09-25 00:34:23,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:23,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:23,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:23,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-25 00:34:23,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:23,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 00:34:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:23,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:23,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:23,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:34:23,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:23,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 00:34:23,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:23,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:23,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:23,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 00:34:23,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:23,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 00:34:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:23,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:23,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:23,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:34:23,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:23,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-25 00:34:23,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:23,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:23,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:23,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 00:34:23,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:23,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 00:34:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:23,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:23,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:23,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:34:23,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:23,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 00:34:23,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:23,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:23,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:23,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:34:23,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:23,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 00:34:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:23,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:23,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:23,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:23,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:34:23,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:34:23,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-09-25 00:34:23,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:23,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:23,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:23,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 00:34:23,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:23,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 00:34:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:23,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:23,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:24,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:24,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:34:24,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:34:24,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-09-25 00:34:24,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:24,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:24,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:24,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 00:34:24,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:24,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 00:34:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:24,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:24,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:24,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 00:34:24,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:24,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-25 00:34:24,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:24,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:24,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:24,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 00:34:24,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:24,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:34:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:24,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:24,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:24,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:34:24,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:24,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 00:34:24,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:24,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:34:24,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:24,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:34:24,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:24,329 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 00:34:24,330 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1114076468] [2020-09-25 00:34:24,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:34:24,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 00:34:24,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117415197] [2020-09-25 00:34:24,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 00:34:24,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:34:24,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 00:34:24,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 00:34:24,334 INFO L87 Difference]: Start difference. First operand 1058 states and 1178 transitions. Second operand 7 states. [2020-09-25 00:34:24,635 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 00:34:25,605 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-25 00:34:26,028 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:34:32,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:34:32,539 INFO L93 Difference]: Finished difference Result 1312 states and 1534 transitions. [2020-09-25 00:34:32,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 00:34:32,540 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 191 [2020-09-25 00:34:32,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:34:32,551 INFO L225 Difference]: With dead ends: 1312 [2020-09-25 00:34:32,551 INFO L226 Difference]: Without dead ends: 1309 [2020-09-25 00:34:32,553 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-09-25 00:34:32,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2020-09-25 00:34:32,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 1057. [2020-09-25 00:34:32,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1057 states. [2020-09-25 00:34:32,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1176 transitions. [2020-09-25 00:34:32,648 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1176 transitions. Word has length 191 [2020-09-25 00:34:32,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:34:32,649 INFO L479 AbstractCegarLoop]: Abstraction has 1057 states and 1176 transitions. [2020-09-25 00:34:32,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 00:34:32,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1176 transitions. [2020-09-25 00:34:32,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-25 00:34:32,653 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:34:32,653 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 00:34:32,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:34:32,654 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:34:32,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:34:32,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1774672941, now seen corresponding path program 1 times [2020-09-25 00:34:32,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:34:32,655 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1623087390] [2020-09-25 00:34:32,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:34:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:32,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:32,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:33,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:34,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:37,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:37,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-09-25 00:34:37,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 00:34:37,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5056 [2020-09-25 00:34:37,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:37,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:37,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 00:34:37,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 00:34:37,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:34:38,602 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:34:38,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:34:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:38,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:39,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:39,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 00:34:39,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:39,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 401 [2020-09-25 00:34:39,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:39,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:39,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:39,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 00:34:39,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 00:34:39,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 00:34:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:39,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:39,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:39,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:34:39,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:39,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-25 00:34:39,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:39,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:39,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:39,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 00:34:39,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:34:39,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 00:34:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:39,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:39,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:39,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:34:39,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:39,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-25 00:34:39,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:39,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:39,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:39,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 00:34:39,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:34:39,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 00:34:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:39,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:39,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:39,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:34:39,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:39,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 00:34:39,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:39,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:39,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:39,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:34:39,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:34:39,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 00:34:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:39,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:39,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:39,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:39,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:34:39,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:34:39,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-09-25 00:34:39,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:39,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:39,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:39,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 00:34:39,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:39,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 00:34:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:39,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:39,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:39,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:39,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:34:39,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:34:39,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-09-25 00:34:39,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:39,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:39,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:39,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 00:34:39,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:34:39,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 00:34:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:39,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:39,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:39,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 00:34:39,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:39,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-25 00:34:39,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:39,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:39,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:39,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 00:34:39,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:39,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:34:39,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:39,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:39,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:39,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:34:39,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:39,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 00:34:39,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:39,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:34:39,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:39,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:34:39,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:40,057 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 00:34:40,057 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1623087390] [2020-09-25 00:34:40,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:34:40,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 00:34:40,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895808203] [2020-09-25 00:34:40,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 00:34:40,059 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:34:40,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 00:34:40,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 00:34:40,060 INFO L87 Difference]: Start difference. First operand 1057 states and 1176 transitions. Second operand 6 states. [2020-09-25 00:34:40,389 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 00:34:41,280 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-25 00:34:41,736 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 189