/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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 11:53:23,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:53:23,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:53:23,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:53:23,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:53:23,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:53:23,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:53:23,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:53:23,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:53:23,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:53:23,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:53:23,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:53:23,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:53:23,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:53:23,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:53:23,336 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:53:23,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:53:23,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:53:23,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:53:23,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:53:23,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:53:23,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:53:23,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:53:23,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:53:23,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:53:23,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:53:23,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:53:23,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:53:23,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:53:23,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:53:23,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:53:23,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:53:23,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:53:23,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:53:23,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:53:23,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:53:23,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:53:23,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:53:23,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:53:23,361 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:53:23,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:53:23,363 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 11:53:23,389 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:53:23,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:53:23,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:53:23,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:53:23,391 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:53:23,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:53:23,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:53:23,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:53:23,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:53:23,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:53:23,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:53:23,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:53:23,393 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:53:23,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:53:23,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:53:23,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:53:23,394 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:53:23,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:53:23,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:53:23,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:53:23,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:53:23,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:53:23,395 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:53:23,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:53:23,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:53:23,395 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:53:23,396 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 11:53:23,396 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;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=SMALLESTAMONGWIDE;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=SMALLESTAMONGWIDE;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=SMALLESTAMONGWIDE;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; [2020-09-25 11:53:23,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:53:23,939 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:53:23,945 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:53:23,947 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:53:23,949 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:53:23,950 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2020-09-25 11:53:24,034 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa5d66170/69287bf5e0e8498c9b4ae9c98eec171a/FLAG9cf589303 [2020-09-25 11:53:24,859 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:53:24,860 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2020-09-25 11:53:24,909 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa5d66170/69287bf5e0e8498c9b4ae9c98eec171a/FLAG9cf589303 [2020-09-25 11:53:25,362 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa5d66170/69287bf5e0e8498c9b4ae9c98eec171a [2020-09-25 11:53:25,375 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:53:25,381 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:53:25,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:53:25,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:53:25,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:53:25,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:53:25" (1/1) ... [2020-09-25 11:53:25,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40cf2f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:25, skipping insertion in model container [2020-09-25 11:53:25,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:53:25" (1/1) ... [2020-09-25 11:53:25,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:53:25,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:53:27,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:53:27,081 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:53:27,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:53:27,538 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:53:27,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:27 WrapperNode [2020-09-25 11:53:27,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:53:27,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:53:27,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:53:27,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:53:27,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:27" (1/1) ... [2020-09-25 11:53:27,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:27" (1/1) ... [2020-09-25 11:53:27,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:27" (1/1) ... [2020-09-25 11:53:27,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:27" (1/1) ... [2020-09-25 11:53:27,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:27" (1/1) ... [2020-09-25 11:53:27,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:27" (1/1) ... [2020-09-25 11:53:27,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:27" (1/1) ... [2020-09-25 11:53:27,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:53:27,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:53:27,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:53:27,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:53:27,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:27" (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 11:53:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:53:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:53:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 11:53:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-09-25 11:53:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-09-25 11:53:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-09-25 11:53:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-09-25 11:53:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-25 11:53:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 11:53:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 11:53:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 11:53:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 11:53:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 11:53:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 11:53:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 11:53:27,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 11:53:27,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 11:53:27,899 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2020-09-25 11:53:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_set_drvdata [2020-09-25 11:53:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2020-09-25 11:53:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_unregister_driver [2020-09-25 11:53:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2020-09-25 11:53:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2020-09-25 11:53:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_reset [2020-09-25 11:53:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_init [2020-09-25 11:53:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_read_busy [2020-09-25 11:53:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_raw_read [2020-09-25 11:53:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_raw_write [2020-09-25 11:53:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_probe [2020-09-25 11:53:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_remove [2020-09-25 11:53:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_spi_driver_init [2020-09-25 11:53:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_spi_driver_exit [2020-09-25 11:53:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_wl1271_if_operations_2 [2020-09-25 11:53:27,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_spi_driver_1 [2020-09-25 11:53:27,904 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:53:27,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-09-25 11:53:27,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-09-25 11:53:27,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-09-25 11:53:27,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-09-25 11:53:27,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-09-25 11:53:27,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-09-25 11:53:27,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-09-25 11:53:27,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-09-25 11:53:27,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-09-25 11:53:27,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-09-25 11:53:27,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-09-25 11:53:27,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-09-25 11:53:27,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-09-25 11:53:27,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-09-25 11:53:27,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 11:53:27,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-09-25 11:53:27,908 INFO L138 BoogieDeclarations]: Found implementation of procedure crc7 [2020-09-25 11:53:27,908 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-25 11:53:27,908 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 11:53:27,909 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 11:53:27,909 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2020-09-25 11:53:27,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 11:53:27,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-09-25 11:53:27,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_2 [2020-09-25 11:53:27,910 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add [2020-09-25 11:53:27,910 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add_data [2020-09-25 11:53:27,911 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add_resources [2020-09-25 11:53:27,911 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_alloc [2020-09-25 11:53:27,911 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_put [2020-09-25 11:53:27,911 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2020-09-25 11:53:27,912 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_register_driver [2020-09-25 11:53:27,912 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_setup [2020-09-25 11:53:27,912 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2020-09-25 11:53:27,912 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-25 11:53:27,913 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 11:53:27,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 11:53:27,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 11:53:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:53:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 11:53:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 11:53:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-25 11:53:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-09-25 11:53:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 11:53:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-09-25 11:53:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-09-25 11:53:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 11:53:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2020-09-25 11:53:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 11:53:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 11:53:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-25 11:53:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 11:53:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 11:53:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-09-25 11:53:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-09-25 11:53:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 11:53:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-25 11:53:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 11:53:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 11:53:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:53:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2020-09-25 11:53:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 11:53:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 11:53:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 11:53:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 11:53:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 11:53:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 11:53:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 11:53:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 11:53:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 11:53:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 11:53:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_wl1271_if_operations_2 [2020-09-25 11:53:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_spi_driver_1 [2020-09-25 11:53:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure crc7 [2020-09-25 11:53:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2020-09-25 11:53:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure spi_set_drvdata [2020-09-25 11:53:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2020-09-25 11:53:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure spi_register_driver [2020-09-25 11:53:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure spi_unregister_driver [2020-09-25 11:53:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2020-09-25 11:53:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 11:53:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2020-09-25 11:53:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure spi_setup [2020-09-25 11:53:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2020-09-25 11:53:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2020-09-25 11:53:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2020-09-25 11:53:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add_resources [2020-09-25 11:53:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add_data [2020-09-25 11:53:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2020-09-25 11:53:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_put [2020-09-25 11:53:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_reset [2020-09-25 11:53:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:53:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:53:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 11:53:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_init [2020-09-25 11:53:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 11:53:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_read_busy [2020-09-25 11:53:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_raw_read [2020-09-25 11:53:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_raw_write [2020-09-25 11:53:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_probe [2020-09-25 11:53:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_remove [2020-09-25 11:53:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_spi_driver_init [2020-09-25 11:53:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_spi_driver_exit [2020-09-25 11:53:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 11:53:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-09-25 11:53:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 11:53:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_2 [2020-09-25 11:53:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:53:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-09-25 11:53:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-09-25 11:53:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-09-25 11:53:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-09-25 11:53:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-09-25 11:53:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-09-25 11:53:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-09-25 11:53:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-09-25 11:53:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 11:53:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-09-25 11:53:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-09-25 11:53:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-09-25 11:53:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-09-25 11:53:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-09-25 11:53:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-09-25 11:53:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-09-25 11:53:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 11:53:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:53:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 11:53:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 11:53:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:53:29,041 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 11:53:29,990 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-09-25 11:53:30,323 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:53:30,323 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 11:53:30,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:53:30 BoogieIcfgContainer [2020-09-25 11:53:30,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:53:30,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:53:30,344 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:53:30,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:53:30,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:53:25" (1/3) ... [2020-09-25 11:53:30,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5138506f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:53:30, skipping insertion in model container [2020-09-25 11:53:30,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:27" (2/3) ... [2020-09-25 11:53:30,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5138506f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:53:30, skipping insertion in model container [2020-09-25 11:53:30,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:53:30" (3/3) ... [2020-09-25 11:53:30,352 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 11:53:30,364 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:53:30,377 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:53:30,402 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:53:30,441 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:53:30,441 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:53:30,441 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:53:30,441 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:53:30,441 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:53:30,441 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:53:30,442 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:53:30,442 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:53:30,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states. [2020-09-25 11:53:30,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-09-25 11:53:30,515 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:53:30,517 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 11:53:30,517 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:53:30,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:53:30,525 INFO L82 PathProgramCache]: Analyzing trace with hash -126969232, now seen corresponding path program 1 times [2020-09-25 11:53:30,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:53:30,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1966808160] [2020-09-25 11:53:30,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:53:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:31,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:31,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:32,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:34,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:36,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:36,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-25 11:53:36,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:53:36,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5085 [2020-09-25 11:53:36,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:36,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:36,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:36,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-09-25 11:53:36,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 11:53:36,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 11:53:37,132 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:53:37,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:53:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:37,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:37,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:37,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 11:53:37,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:37,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 376 [2020-09-25 11:53:37,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:37,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:37,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:37,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:37,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-25 11:53:37,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:37,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 11:53:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:37,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:37,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:37,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:53:37,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:37,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-09-25 11:53:37,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:37,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:37,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:37,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:37,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 11:53:37,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:37,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 11:53:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:37,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:38,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:38,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:53:38,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:38,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-25 11:53:38,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:38,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:38,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:38,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:38,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 11:53:38,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:38,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 11:53:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:38,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:38,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:38,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:53:38,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:38,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-25 11:53:38,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:38,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:38,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:38,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:38,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:53:38,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:38,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 11:53:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:38,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:38,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:38,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:38,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:53:38,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:53:38,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-09-25 11:53:38,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:38,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:38,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:38,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:38,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:53:38,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:38,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 11:53:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:38,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:38,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:38,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:38,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:53:38,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:53:38,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 262 [2020-09-25 11:53:38,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:38,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:38,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:38,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:38,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:53:38,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:38,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 11:53:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:38,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:38,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:38,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 11:53:38,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:38,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-25 11:53:38,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:38,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:38,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:38,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:38,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 11:53:38,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:38,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:53:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:38,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:38,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:38,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:53:38,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:38,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 11:53:38,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:38,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:38,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:53:38,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:38,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:53:38,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:39,031 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 11:53:39,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1966808160] [2020-09-25 11:53:39,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:53:39,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 11:53:39,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805853139] [2020-09-25 11:53:39,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 11:53:39,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:53:39,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 11:53:39,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 11:53:39,067 INFO L87 Difference]: Start difference. First operand 1099 states. Second operand 7 states. [2020-09-25 11:53:39,360 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 11:53:40,288 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-25 11:53:40,634 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:53:41,119 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:53:47,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:53:47,261 INFO L93 Difference]: Finished difference Result 2314 states and 2732 transitions. [2020-09-25 11:53:47,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 11:53:47,263 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 190 [2020-09-25 11:53:47,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:53:47,295 INFO L225 Difference]: With dead ends: 2314 [2020-09-25 11:53:47,295 INFO L226 Difference]: Without dead ends: 1311 [2020-09-25 11:53:47,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-09-25 11:53:47,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1311 states. [2020-09-25 11:53:47,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1311 to 1058. [2020-09-25 11:53:47,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2020-09-25 11:53:47,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1178 transitions. [2020-09-25 11:53:47,532 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1178 transitions. Word has length 190 [2020-09-25 11:53:47,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:53:47,534 INFO L479 AbstractCegarLoop]: Abstraction has 1058 states and 1178 transitions. [2020-09-25 11:53:47,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 11:53:47,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1178 transitions. [2020-09-25 11:53:47,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-09-25 11:53:47,541 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:53:47,541 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 11:53:47,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:53:47,542 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:53:47,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:53:47,542 INFO L82 PathProgramCache]: Analyzing trace with hash 358410787, now seen corresponding path program 1 times [2020-09-25 11:53:47,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:53:47,543 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1423676508] [2020-09-25 11:53:47,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:53:47,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:47,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:47,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:48,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:50,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:52,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:52,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 11:53:52,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:53:52,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5070 [2020-09-25 11:53:52,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:52,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:52,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:52,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-09-25 11:53:52,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 11:53:52,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:53,431 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:53:53,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:53:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:53,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:53,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:53,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 11:53:53,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:53,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 277 [2020-09-25 11:53:53,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:53,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:53,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:53,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:53,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-25 11:53:53,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:53,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 11:53:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:53,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:53,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:53,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:53:53,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:53,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-25 11:53:53,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:53,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:53,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:53,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:53,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 11:53:53,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:53:53,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 11:53:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:54,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:54,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:54,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:53:54,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:54,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-25 11:53:54,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:54,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:54,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:54,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:54,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 11:53:54,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 11:53:54,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 11:53:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:54,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:54,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:54,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:53:54,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:54,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 11:53:54,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:54,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:54,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:54,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:54,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:53:54,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:54,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 11:53:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:54,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:54,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:54,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:54,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:53:54,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:53:54,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-09-25 11:53:54,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:54,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:54,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:54,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:54,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:53:54,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:54,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 11:53:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:54,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:54,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:54,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:54,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:53:54,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:53:54,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-09-25 11:53:54,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:54,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:54,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:54,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:54,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:53:54,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:54,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 11:53:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:54,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:54,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:54,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 11:53:54,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:54,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-25 11:53:54,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:54,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:54,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:54,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:54,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 11:53:54,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:54,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:53:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:54,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:54,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:54,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:53:54,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:54,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 11:53:54,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:54,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:54,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:53:54,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:54,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:53:54,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:54,886 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 11:53:54,887 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1423676508] [2020-09-25 11:53:54,887 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:53:54,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 11:53:54,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875214939] [2020-09-25 11:53:54,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 11:53:54,892 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:53:54,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 11:53:54,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 11:53:54,895 INFO L87 Difference]: Start difference. First operand 1058 states and 1178 transitions. Second operand 7 states. [2020-09-25 11:53:55,160 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 11:53:56,083 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-25 11:53:56,449 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:53:57,013 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:54:02,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:54:03,000 INFO L93 Difference]: Finished difference Result 1313 states and 1535 transitions. [2020-09-25 11:54:03,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 11:54:03,001 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 191 [2020-09-25 11:54:03,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:54:03,010 INFO L225 Difference]: With dead ends: 1313 [2020-09-25 11:54:03,011 INFO L226 Difference]: Without dead ends: 1310 [2020-09-25 11:54:03,012 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-09-25 11:54:03,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2020-09-25 11:54:03,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1057. [2020-09-25 11:54:03,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1057 states. [2020-09-25 11:54:03,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1176 transitions. [2020-09-25 11:54:03,096 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1176 transitions. Word has length 191 [2020-09-25 11:54:03,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:54:03,097 INFO L479 AbstractCegarLoop]: Abstraction has 1057 states and 1176 transitions. [2020-09-25 11:54:03,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 11:54:03,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1176 transitions. [2020-09-25 11:54:03,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-25 11:54:03,101 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:54:03,101 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 11:54:03,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:54:03,101 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:54:03,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:54:03,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1774672941, now seen corresponding path program 1 times [2020-09-25 11:54:03,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:54:03,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [24618649] [2020-09-25 11:54:03,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:54:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:03,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:03,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:03,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:05,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:08,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:08,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-09-25 11:54:08,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:54:08,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4947 [2020-09-25 11:54:08,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:08,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:08,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:54:08,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 11:54:08,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 11:54:08,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:54:08,714 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:54:08,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:54:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:08,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:09,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:09,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 11:54:09,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:54:09,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 310 [2020-09-25 11:54:09,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:09,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:09,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:54:09,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:54:09,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 11:54:09,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:54:09,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 11:54:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:09,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:09,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:09,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:54:09,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:54:09,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-25 11:54:09,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:09,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:09,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:54:09,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:54:09,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 11:54:09,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:54:09,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 11:54:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:09,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:09,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:09,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:54:09,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:54:09,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-25 11:54:09,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:09,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:09,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:54:09,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:54:09,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 11:54:09,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:54:09,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 11:54:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:09,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:09,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:09,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:54:09,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:54:09,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 11:54:09,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:09,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:09,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:54:09,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:54:09,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:54:09,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:54:09,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 11:54:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:09,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:09,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:09,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:09,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:54:09,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:54:09,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-09-25 11:54:09,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:09,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:09,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:54:09,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:54:09,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:54:09,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:54:09,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 11:54:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:09,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:09,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:09,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:09,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:54:09,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:54:09,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-09-25 11:54:09,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:09,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:09,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:54:09,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:54:09,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:54:09,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:54:09,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 11:54:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:09,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:09,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:09,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 11:54:09,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:54:09,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-25 11:54:09,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:09,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:09,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:54:09,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:54:09,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 11:54:09,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:54:09,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:54:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:09,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:09,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:09,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:54:09,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:54:09,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 11:54:09,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:09,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:09,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:54:09,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:54:09,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:54:09,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:54:09,984 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 11:54:09,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [24618649] [2020-09-25 11:54:09,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:54:09,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 11:54:09,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453991747] [2020-09-25 11:54:09,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 11:54:09,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:54:09,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 11:54:09,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 11:54:09,987 INFO L87 Difference]: Start difference. First operand 1057 states and 1176 transitions. Second operand 6 states. [2020-09-25 11:54:10,289 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 11:54:11,006 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-25 11:54:11,419 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:54:11,977 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192