/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=0.3 --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 13:00:49,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:00:49,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:00:49,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:00:49,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:00:49,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:00:49,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:00:49,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:00:49,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:00:49,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:00:49,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:00:49,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:00:49,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:00:49,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:00:49,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:00:49,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:00:49,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:00:49,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:00:49,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:00:49,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:00:49,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:00:49,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:00:49,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:00:49,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:00:49,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:00:49,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:00:49,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:00:49,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:00:49,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:00:49,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:00:49,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:00:49,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:00:49,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:00:49,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:00:49,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:00:49,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:00:49,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:00:49,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:00:49,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:00:49,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:00:49,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:00:49,274 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 13:00:49,300 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:00:49,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:00:49,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:00:49,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:00:49,302 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:00:49,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:00:49,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:00:49,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:00:49,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:00:49,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:00:49,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:00:49,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:00:49,304 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:00:49,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:00:49,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:00:49,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:00:49,305 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:00:49,305 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:00:49,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:00:49,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:00:49,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:00:49,306 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:00:49,306 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:00:49,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:00:49,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:00:49,307 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:00:49,307 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 13:00:49,307 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=0.3;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=0.3;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=0.3;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=0.3;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=0.3;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=0.3;log-additional-information=true; [2020-09-25 13:00:49,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:00:49,814 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:00:49,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:00:49,823 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:00:49,824 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:00:49,825 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2020-09-25 13:00:49,905 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3b018687e/54f726fdd48d4e808865420cddd59d63/FLAG6b14e16b6 [2020-09-25 13:00:50,770 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:00:50,771 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2020-09-25 13:00:50,819 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3b018687e/54f726fdd48d4e808865420cddd59d63/FLAG6b14e16b6 [2020-09-25 13:00:51,310 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3b018687e/54f726fdd48d4e808865420cddd59d63 [2020-09-25 13:00:51,325 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:00:51,332 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:00:51,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:00:51,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:00:51,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:00:51,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:00:51" (1/1) ... [2020-09-25 13:00:51,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67be94cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:51, skipping insertion in model container [2020-09-25 13:00:51,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:00:51" (1/1) ... [2020-09-25 13:00:51,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:00:51,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:00:53,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:00:53,022 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:00:53,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:00:53,301 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:00:53,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:53 WrapperNode [2020-09-25 13:00:53,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:00:53,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:00:53,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:00:53,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:00:53,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:53" (1/1) ... [2020-09-25 13:00:53,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:53" (1/1) ... [2020-09-25 13:00:53,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:53" (1/1) ... [2020-09-25 13:00:53,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:53" (1/1) ... [2020-09-25 13:00:53,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:53" (1/1) ... [2020-09-25 13:00:53,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:53" (1/1) ... [2020-09-25 13:00:53,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:53" (1/1) ... [2020-09-25 13:00:53,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:00:53,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:00:53,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:00:53,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:00:53,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:53" (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 13:00:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:00:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:00:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 13:00:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-09-25 13:00:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-09-25 13:00:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-09-25 13:00:53,616 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-09-25 13:00:53,617 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-25 13:00:53,617 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 13:00:53,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 13:00:53,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 13:00:53,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 13:00:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 13:00:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 13:00:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 13:00:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 13:00:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 13:00:53,622 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2020-09-25 13:00:53,622 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_set_drvdata [2020-09-25 13:00:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2020-09-25 13:00:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_unregister_driver [2020-09-25 13:00:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2020-09-25 13:00:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2020-09-25 13:00:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_reset [2020-09-25 13:00:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_init [2020-09-25 13:00:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_read_busy [2020-09-25 13:00:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_raw_read [2020-09-25 13:00:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_raw_write [2020-09-25 13:00:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_probe [2020-09-25 13:00:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_remove [2020-09-25 13:00:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_spi_driver_init [2020-09-25 13:00:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_spi_driver_exit [2020-09-25 13:00:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_wl1271_if_operations_2 [2020-09-25 13:00:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_spi_driver_1 [2020-09-25 13:00:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:00:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-09-25 13:00:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-09-25 13:00:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-09-25 13:00:53,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-09-25 13:00:53,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-09-25 13:00:53,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-09-25 13:00:53,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-09-25 13:00:53,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-09-25 13:00:53,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-09-25 13:00:53,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-09-25 13:00:53,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-09-25 13:00:53,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-09-25 13:00:53,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-09-25 13:00:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-09-25 13:00:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 13:00:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-09-25 13:00:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure crc7 [2020-09-25 13:00:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-25 13:00:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 13:00:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 13:00:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2020-09-25 13:00:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 13:00:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-09-25 13:00:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_2 [2020-09-25 13:00:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add [2020-09-25 13:00:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add_data [2020-09-25 13:00:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add_resources [2020-09-25 13:00:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_alloc [2020-09-25 13:00:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_put [2020-09-25 13:00:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2020-09-25 13:00:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_register_driver [2020-09-25 13:00:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_setup [2020-09-25 13:00:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2020-09-25 13:00:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-25 13:00:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 13:00:53,635 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 13:00:53,635 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 13:00:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:00:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 13:00:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 13:00:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-25 13:00:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-09-25 13:00:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:00:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-09-25 13:00:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-09-25 13:00:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:00:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2020-09-25 13:00:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 13:00:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 13:00:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-25 13:00:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 13:00:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 13:00:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-09-25 13:00:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-09-25 13:00:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 13:00:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-25 13:00:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:00:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 13:00:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:00:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2020-09-25 13:00:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 13:00:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 13:00:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 13:00:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:00:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 13:00:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 13:00:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 13:00:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 13:00:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 13:00:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 13:00:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_wl1271_if_operations_2 [2020-09-25 13:00:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_spi_driver_1 [2020-09-25 13:00:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure crc7 [2020-09-25 13:00:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2020-09-25 13:00:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure spi_set_drvdata [2020-09-25 13:00:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2020-09-25 13:00:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure spi_register_driver [2020-09-25 13:00:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure spi_unregister_driver [2020-09-25 13:00:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2020-09-25 13:00:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 13:00:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2020-09-25 13:00:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure spi_setup [2020-09-25 13:00:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2020-09-25 13:00:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2020-09-25 13:00:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2020-09-25 13:00:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add_resources [2020-09-25 13:00:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add_data [2020-09-25 13:00:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2020-09-25 13:00:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_put [2020-09-25 13:00:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_reset [2020-09-25 13:00:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:00:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:00:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:00:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_init [2020-09-25 13:00:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:00:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_read_busy [2020-09-25 13:00:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_raw_read [2020-09-25 13:00:53,712 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_raw_write [2020-09-25 13:00:53,712 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_probe [2020-09-25 13:00:53,712 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_remove [2020-09-25 13:00:53,712 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_spi_driver_init [2020-09-25 13:00:53,712 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_spi_driver_exit [2020-09-25 13:00:53,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 13:00:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-09-25 13:00:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 13:00:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_2 [2020-09-25 13:00:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:00:53,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-09-25 13:00:53,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-09-25 13:00:53,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-09-25 13:00:53,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-09-25 13:00:53,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-09-25 13:00:53,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-09-25 13:00:53,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-09-25 13:00:53,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-09-25 13:00:53,718 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 13:00:53,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-09-25 13:00:53,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-09-25 13:00:53,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-09-25 13:00:53,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-09-25 13:00:53,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-09-25 13:00:53,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-09-25 13:00:53,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-09-25 13:00:53,724 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:00:53,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:00:53,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:00:53,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 13:00:53,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:00:54,667 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 13:00:55,514 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-09-25 13:00:55,835 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:00:55,835 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 13:00:55,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:00:55 BoogieIcfgContainer [2020-09-25 13:00:55,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:00:55,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:00:55,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:00:55,857 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:00:55,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:00:51" (1/3) ... [2020-09-25 13:00:55,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c6687f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:00:55, skipping insertion in model container [2020-09-25 13:00:55,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:53" (2/3) ... [2020-09-25 13:00:55,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c6687f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:00:55, skipping insertion in model container [2020-09-25 13:00:55,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:00:55" (3/3) ... [2020-09-25 13:00:55,861 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 13:00:55,873 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:00:55,885 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:00:55,906 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:00:55,941 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:00:55,941 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:00:55,941 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:00:55,941 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:00:55,941 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:00:55,942 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:00:55,942 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:00:55,942 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:00:55,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states. [2020-09-25 13:00:56,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-09-25 13:00:56,004 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:00:56,007 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 13:00:56,007 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:00:56,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:00:56,014 INFO L82 PathProgramCache]: Analyzing trace with hash -126969232, now seen corresponding path program 1 times [2020-09-25 13:00:56,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:00:56,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1982216465] [2020-09-25 13:00:56,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:00:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:56,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:57,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:57,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:59,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:01,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:01,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-25 13:01:01,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 13:01:01,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-09-25 13:01:01,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:01,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:01,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:01,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-09-25 13:01:01,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 13:01:01,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 13:01:02,450 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:01:02,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:01:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:02,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:02,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:02,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 13:01:02,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:02,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 376 [2020-09-25 13:01:02,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:02,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:02,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:02,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:02,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-25 13:01:02,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:03,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 13:01:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:03,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:03,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:03,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 13:01:03,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:03,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-25 13:01:03,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:03,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:03,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:03,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:03,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 13:01:03,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:03,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 13:01:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:03,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:03,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:03,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 13:01:03,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:03,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-25 13:01:03,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:03,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:03,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:03,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:03,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 13:01:03,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:03,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 13:01:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:03,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:03,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:03,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:01:03,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:03,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-25 13:01:03,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:03,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:03,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:03,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:03,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:01:03,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:03,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 13:01:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:03,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:03,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:03,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:03,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:01:03,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:01:03,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-09-25 13:01:03,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:03,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:03,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:03,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:03,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:01:03,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:03,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 13:01:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:03,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:03,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:03,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:03,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:01:03,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:01:03,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-09-25 13:01:03,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:03,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:03,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:03,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:03,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:01:03,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:03,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 13:01:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:03,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:03,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:03,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:01:03,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:03,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-25 13:01:03,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:03,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:03,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:03,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:03,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 13:01:03,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:03,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:01:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:03,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:03,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:03,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:01:03,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:03,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-25 13:01:03,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:03,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:03,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:03,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:03,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:03,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:04,128 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 13:01:04,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1982216465] [2020-09-25 13:01:04,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:01:04,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 13:01:04,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051707570] [2020-09-25 13:01:04,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 13:01:04,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:01:04,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 13:01:04,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:01:04,162 INFO L87 Difference]: Start difference. First operand 1099 states. Second operand 7 states. [2020-09-25 13:01:04,474 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 13:01:05,328 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-25 13:01:05,704 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:01:06,347 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:01:12,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:01:12,077 INFO L93 Difference]: Finished difference Result 2314 states and 2732 transitions. [2020-09-25 13:01:12,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 13:01:12,079 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 190 [2020-09-25 13:01:12,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:01:12,111 INFO L225 Difference]: With dead ends: 2314 [2020-09-25 13:01:12,111 INFO L226 Difference]: Without dead ends: 1311 [2020-09-25 13:01:12,125 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-09-25 13:01:12,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1311 states. [2020-09-25 13:01:12,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1311 to 1058. [2020-09-25 13:01:12,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2020-09-25 13:01:12,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1178 transitions. [2020-09-25 13:01:12,315 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1178 transitions. Word has length 190 [2020-09-25 13:01:12,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:01:12,318 INFO L479 AbstractCegarLoop]: Abstraction has 1058 states and 1178 transitions. [2020-09-25 13:01:12,319 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 13:01:12,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1178 transitions. [2020-09-25 13:01:12,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-09-25 13:01:12,332 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:01:12,332 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 13:01:12,332 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:01:12,333 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:01:12,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:01:12,333 INFO L82 PathProgramCache]: Analyzing trace with hash 358410787, now seen corresponding path program 1 times [2020-09-25 13:01:12,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:01:12,334 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1750989982] [2020-09-25 13:01:12,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:01:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:12,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:12,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:13,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:14,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:17,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:17,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 13:01:17,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 13:01:17,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 13:01:17,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:17,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:17,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:17,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-09-25 13:01:17,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 13:01:17,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:18,058 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:01:18,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:01:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:18,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:18,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:18,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 13:01:18,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:18,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-09-25 13:01:18,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:18,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:18,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:18,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:18,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-25 13:01:18,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:18,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 13:01:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:18,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:18,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:18,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 13:01:18,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:18,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-25 13:01:18,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:18,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:18,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:18,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:18,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 13:01:18,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 13:01:18,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 13:01:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:18,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:18,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:18,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 13:01:18,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:18,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-25 13:01:18,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:18,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:18,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:18,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:18,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 13:01:18,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:01:18,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 13:01:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:18,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:18,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:18,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:01:18,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:18,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-25 13:01:18,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:18,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:18,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:18,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:18,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:01:18,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:18,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 13:01:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:18,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:18,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:19,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:19,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:01:19,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:01:19,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-09-25 13:01:19,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:19,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:19,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:19,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:19,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:01:19,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:19,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 13:01:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:19,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:19,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:19,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:19,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:01:19,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:01:19,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-09-25 13:01:19,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:19,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:19,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:19,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:19,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:01:19,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:19,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 13:01:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:19,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:19,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:19,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:01:19,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:19,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 13:01:19,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:19,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:19,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:19,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:19,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 13:01:19,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:19,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:01:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:19,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:19,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:19,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:01:19,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:19,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-25 13:01:19,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:19,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:19,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:19,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:19,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:19,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:19,768 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 13:01:19,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1750989982] [2020-09-25 13:01:19,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:01:19,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 13:01:19,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659949281] [2020-09-25 13:01:19,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 13:01:19,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:01:19,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 13:01:19,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:01:19,777 INFO L87 Difference]: Start difference. First operand 1058 states and 1178 transitions. Second operand 7 states. [2020-09-25 13:01:20,116 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 13:01:20,891 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-25 13:01:21,254 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:01:21,771 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:01:27,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:01:27,423 INFO L93 Difference]: Finished difference Result 1313 states and 1535 transitions. [2020-09-25 13:01:27,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 13:01:27,424 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 191 [2020-09-25 13:01:27,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:01:27,437 INFO L225 Difference]: With dead ends: 1313 [2020-09-25 13:01:27,437 INFO L226 Difference]: Without dead ends: 1310 [2020-09-25 13:01:27,439 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 13:01:27,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2020-09-25 13:01:27,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1057. [2020-09-25 13:01:27,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1057 states. [2020-09-25 13:01:27,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1176 transitions. [2020-09-25 13:01:27,528 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1176 transitions. Word has length 191 [2020-09-25 13:01:27,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:01:27,529 INFO L479 AbstractCegarLoop]: Abstraction has 1057 states and 1176 transitions. [2020-09-25 13:01:27,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 13:01:27,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1176 transitions. [2020-09-25 13:01:27,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-25 13:01:27,532 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:01:27,532 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 13:01:27,532 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:01:27,533 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:01:27,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:01:27,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1774672941, now seen corresponding path program 1 times [2020-09-25 13:01:27,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:01:27,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [791937854] [2020-09-25 13:01:27,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:01:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:27,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:27,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:28,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:29,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:32,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:32,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-09-25 13:01:32,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 13:01:32,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-09-25 13:01:32,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:32,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:32,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:32,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 13:01:32,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 13:01:32,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:01:33,310 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:01:33,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:01:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:33,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:33,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:33,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 13:01:33,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:33,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 273 [2020-09-25 13:01:33,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:33,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:33,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:33,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:33,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 13:01:33,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:33,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 13:01:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:33,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:33,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:33,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 13:01:33,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:33,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-25 13:01:33,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:33,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:33,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:33,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:33,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 13:01:33,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:33,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 13:01:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:33,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:33,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:33,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 13:01:33,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:33,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-25 13:01:33,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:33,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:33,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:33,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:33,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 13:01:33,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:33,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 13:01:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:33,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:33,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:33,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:01:33,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:33,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 13:01:33,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:33,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:33,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:33,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:33,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:01:33,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:01:33,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 13:01:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:34,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:34,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:34,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:34,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:01:34,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:01:34,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-09-25 13:01:34,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:34,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:34,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:34,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:34,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:01:34,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:34,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 13:01:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:34,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:34,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:34,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:34,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:01:34,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:01:34,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-09-25 13:01:34,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:34,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:34,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:34,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:34,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:01:34,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:34,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 13:01:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:34,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:34,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:34,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:01:34,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:34,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-25 13:01:34,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:34,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:34,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:34,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:34,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 13:01:34,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:01:34,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:01:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:34,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:34,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:34,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:01:34,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:34,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 13:01:34,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:34,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:34,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:34,568 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 13:01:34,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [791937854] [2020-09-25 13:01:34,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:01:34,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 13:01:34,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269055269] [2020-09-25 13:01:34,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 13:01:34,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:01:34,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 13:01:34,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 13:01:34,571 INFO L87 Difference]: Start difference. First operand 1057 states and 1176 transitions. Second operand 6 states. [2020-09-25 13:01:34,811 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 13:01:35,533 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-25 13:01:35,923 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:01:36,491 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192