./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5b36d44f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5918e2cb9aded5213ccd497319a252a597f09d9a74a83e549234325009250b56 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 18:25:54,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 18:25:54,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 18:25:54,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 18:25:54,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 18:25:54,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 18:25:54,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 18:25:54,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 18:25:54,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 18:25:54,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 18:25:54,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 18:25:54,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 18:25:54,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 18:25:54,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 18:25:54,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 18:25:54,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 18:25:54,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 18:25:54,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 18:25:54,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 18:25:54,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 18:25:54,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 18:25:54,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 18:25:54,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 18:25:54,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 18:25:54,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 18:25:54,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 18:25:54,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 18:25:54,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 18:25:54,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 18:25:54,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 18:25:54,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 18:25:54,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 18:25:54,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 18:25:54,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 18:25:54,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 18:25:54,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 18:25:54,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 18:25:54,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 18:25:54,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 18:25:54,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 18:25:54,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 18:25:54,811 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 18:25:54,837 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 18:25:54,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 18:25:54,839 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 18:25:54,839 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 18:25:54,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 18:25:54,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 18:25:54,841 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 18:25:54,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 18:25:54,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 18:25:54,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 18:25:54,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 18:25:54,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 18:25:54,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 18:25:54,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 18:25:54,843 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 18:25:54,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 18:25:54,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 18:25:54,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 18:25:54,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 18:25:54,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 18:25:54,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 18:25:54,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 18:25:54,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 18:25:54,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 18:25:54,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 18:25:54,844 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 18:25:54,844 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 18:25:54,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 18:25:54,846 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 18:25:54,846 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5918e2cb9aded5213ccd497319a252a597f09d9a74a83e549234325009250b56 [2021-11-07 18:25:54,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 18:25:55,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 18:25:55,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 18:25:55,018 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 18:25:55,019 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 18:25:55,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-07 18:25:55,070 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/365cde8ff/fbeb3c3de9d241f4a5ea09d6a2eec2e3/FLAGb5d0b0762 [2021-11-07 18:25:55,662 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 18:25:55,663 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-07 18:25:55,705 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/365cde8ff/fbeb3c3de9d241f4a5ea09d6a2eec2e3/FLAGb5d0b0762 [2021-11-07 18:25:56,049 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/365cde8ff/fbeb3c3de9d241f4a5ea09d6a2eec2e3 [2021-11-07 18:25:56,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 18:25:56,052 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 18:25:56,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 18:25:56,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 18:25:56,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 18:25:56,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:25:56" (1/1) ... [2021-11-07 18:25:56,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41478db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:25:56, skipping insertion in model container [2021-11-07 18:25:56,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:25:56" (1/1) ... [2021-11-07 18:25:56,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 18:25:56,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 18:25:57,973 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411224,411237] [2021-11-07 18:25:57,976 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411371,411384] [2021-11-07 18:25:57,976 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411510,411523] [2021-11-07 18:25:57,976 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411668,411681] [2021-11-07 18:25:58,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 18:25:58,050 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 18:25:58,396 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411224,411237] [2021-11-07 18:25:58,396 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411371,411384] [2021-11-07 18:25:58,396 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411510,411523] [2021-11-07 18:25:58,397 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411668,411681] [2021-11-07 18:25:58,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 18:25:58,550 INFO L208 MainTranslator]: Completed translation [2021-11-07 18:25:58,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:25:58 WrapperNode [2021-11-07 18:25:58,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 18:25:58,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 18:25:58,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 18:25:58,552 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 18:25:58,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:25:58" (1/1) ... [2021-11-07 18:25:58,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:25:58" (1/1) ... [2021-11-07 18:26:17,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 18:26:17,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 18:26:17,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 18:26:17,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 18:26:17,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:25:58" (1/1) ... [2021-11-07 18:26:17,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:25:58" (1/1) ... [2021-11-07 18:26:18,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:25:58" (1/1) ... [2021-11-07 18:26:18,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:25:58" (1/1) ... [2021-11-07 18:26:22,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:25:58" (1/1) ... [2021-11-07 18:26:23,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:25:58" (1/1) ... [2021-11-07 18:26:23,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:25:58" (1/1) ... [2021-11-07 18:26:25,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 18:26:25,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 18:26:25,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 18:26:25,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 18:26:25,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:25:58" (1/1) ... [2021-11-07 18:26:25,122 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 18:26:25,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 18:26:25,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 18:26:25,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 18:26:25,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2021-11-07 18:26:25,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2021-11-07 18:26:25,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_27 [2021-11-07 18:26:25,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_27 [2021-11-07 18:26:25,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2021-11-07 18:26:25,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2021-11-07 18:26:25,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 18:26:25,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_30 [2021-11-07 18:26:25,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_30 [2021-11-07 18:26:25,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-07 18:26:25,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-07 18:26:25,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 18:26:25,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 18:26:25,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-07 18:26:25,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-07 18:26:25,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 18:26:25,168 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-07 18:26:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-07 18:26:25,168 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2021-11-07 18:26:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2021-11-07 18:26:25,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 18:26:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 18:26:25,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 18:26:25,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 18:26:25,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 18:26:25,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 18:26:25,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 18:26:25,169 INFO L130 BoogieDeclarations]: Found specification of procedure rx_oom_timer [2021-11-07 18:26:25,169 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_oom_timer [2021-11-07 18:26:25,169 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_timer [2021-11-07 18:26:25,169 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_timer [2021-11-07 18:26:25,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 18:26:25,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2021-11-07 18:26:25,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2021-11-07 18:26:25,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 18:28:13,058 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L12278: #t~ret2067 := main_#res; [2021-11-07 18:28:13,061 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-07 18:28:13,062 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_16_returnLabel: main_#res := 0; [2021-11-07 18:28:13,076 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_pci_pci_instance_2_switch_break: call ULTIMATE.dealloc(ldv_pci_pci_instance_2_~#ldv_2_resource_pm_message~0.base, ldv_pci_pci_instance_2_~#ldv_2_resource_pm_message~0.offset);havoc ldv_pci_pci_instance_2_~#ldv_2_resource_pm_message~0.base, ldv_pci_pci_instance_2_~#ldv_2_resource_pm_message~0.offset; [2021-11-07 18:28:13,451 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 18:28:13,452 INFO L299 CfgBuilder]: Removed 102136 assume(true) statements. [2021-11-07 18:28:13,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:28:13 BoogieIcfgContainer [2021-11-07 18:28:13,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 18:28:13,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 18:28:13,501 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 18:28:13,503 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 18:28:13,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:25:56" (1/3) ... [2021-11-07 18:28:13,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70fbd6e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:28:13, skipping insertion in model container [2021-11-07 18:28:13,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:25:58" (2/3) ... [2021-11-07 18:28:13,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70fbd6e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:28:13, skipping insertion in model container [2021-11-07 18:28:13,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:28:13" (3/3) ... [2021-11-07 18:28:13,505 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-07 18:28:13,509 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 18:28:13,509 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-07 18:28:13,648 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 18:28:13,652 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 18:28:13,652 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-07 18:28:14,173 INFO L276 IsEmpty]: Start isEmpty. Operand has 66175 states, 66126 states have (on average 1.258188912076944) internal successors, (83199), 66130 states have internal predecessors, (83199), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2021-11-07 18:28:14,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-07 18:28:14,178 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 18:28:14,178 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 18:28:14,179 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-07 18:28:14,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 18:28:14,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1990226912, now seen corresponding path program 1 times [2021-11-07 18:28:14,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 18:28:14,187 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117519040] [2021-11-07 18:28:14,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 18:28:14,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 18:28:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 18:28:14,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 18:28:14,892 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 18:28:14,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117519040] [2021-11-07 18:28:14,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117519040] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 18:28:14,897 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 18:28:14,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 18:28:14,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717498956] [2021-11-07 18:28:14,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 18:28:14,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 18:28:14,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 18:28:14,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 18:28:14,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 18:28:14,995 INFO L87 Difference]: Start difference. First operand has 66175 states, 66126 states have (on average 1.258188912076944) internal successors, (83199), 66130 states have internal predecessors, (83199), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 18:28:17,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 18:28:17,397 INFO L93 Difference]: Finished difference Result 132308 states and 166521 transitions. [2021-11-07 18:28:17,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 18:28:17,400 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-11-07 18:28:17,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 18:28:17,603 INFO L225 Difference]: With dead ends: 132308 [2021-11-07 18:28:17,603 INFO L226 Difference]: Without dead ends: 65469 [2021-11-07 18:28:17,732 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.64ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 18:28:17,734 INFO L933 BasicCegarLoop]: 83091 mSDtfsCounter, 83075 mSDsluCounter, 83089 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 98.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 83075 SdHoareTripleChecker+Valid, 166180 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 256.56ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 122.26ms IncrementalHoareTripleChecker+Time [2021-11-07 18:28:17,735 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83075 Valid, 166180 Invalid, 11 Unknown, 0 Unchecked, 256.56ms Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 122.26ms Time] [2021-11-07 18:28:17,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65469 states. [2021-11-07 18:28:19,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65469 to 65469. [2021-11-07 18:28:19,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65469 states, 65422 states have (on average 1.251398612087677) internal successors, (81869), 65424 states have internal predecessors, (81869), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2021-11-07 18:28:19,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65469 states to 65469 states and 81939 transitions. [2021-11-07 18:28:19,695 INFO L78 Accepts]: Start accepts. Automaton has 65469 states and 81939 transitions. Word has length 29 [2021-11-07 18:28:19,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 18:28:19,695 INFO L470 AbstractCegarLoop]: Abstraction has 65469 states and 81939 transitions. [2021-11-07 18:28:19,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 18:28:19,696 INFO L276 IsEmpty]: Start isEmpty. Operand 65469 states and 81939 transitions. [2021-11-07 18:28:19,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-07 18:28:19,697 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 18:28:19,698 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 18:28:19,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 18:28:19,698 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-07 18:28:19,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 18:28:19,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1071435974, now seen corresponding path program 1 times [2021-11-07 18:28:19,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 18:28:19,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830749941] [2021-11-07 18:28:19,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 18:28:19,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 18:28:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 18:28:20,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 18:28:20,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 18:28:20,040 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830749941] [2021-11-07 18:28:20,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830749941] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 18:28:20,041 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 18:28:20,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 18:28:20,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955867337] [2021-11-07 18:28:20,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 18:28:20,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 18:28:20,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 18:28:20,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 18:28:20,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 18:28:20,051 INFO L87 Difference]: Start difference. First operand 65469 states and 81939 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 18:28:22,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 18:28:22,609 INFO L93 Difference]: Finished difference Result 130531 states and 163356 transitions. [2021-11-07 18:28:22,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 18:28:22,610 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-11-07 18:28:22,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 18:28:22,612 INFO L225 Difference]: With dead ends: 130531 [2021-11-07 18:28:22,612 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 18:28:22,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.07ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 18:28:22,739 INFO L933 BasicCegarLoop]: 163317 mSDtfsCounter, 163296 mSDsluCounter, 81955 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 139.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 163296 SdHoareTripleChecker+Valid, 245272 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 212.62ms SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 166.50ms IncrementalHoareTripleChecker+Time [2021-11-07 18:28:22,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163296 Valid, 245272 Invalid, 57 Unknown, 0 Unchecked, 212.62ms Time], IncrementalHoareTripleChecker [27 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 166.50ms Time] [2021-11-07 18:28:22,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 18:28:22,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 18:28:22,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 18:28:22,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 18:28:22,741 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2021-11-07 18:28:22,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 18:28:22,741 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 18:28:22,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 18:28:22,741 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 18:28:22,741 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 18:28:22,743 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2021-11-07 18:28:22,743 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2021-11-07 18:28:22,744 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2021-11-07 18:28:22,744 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2021-11-07 18:28:22,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 18:28:22,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.