./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rtlwifi--rtl8192se--rtl8192se.ko-entry_point.cil.out.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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rtlwifi--rtl8192se--rtl8192se.ko-entry_point.cil.out.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 360ec5ebc7de1eb91e96623bf34f9bb383badee02072911014bf1c2abf8464fb --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 15:17:53,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 15:17:53,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 15:17:53,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 15:17:53,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 15:17:53,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 15:17:53,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 15:17:53,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 15:17:53,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 15:17:53,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 15:17:53,509 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 15:17:53,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 15:17:53,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 15:17:53,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 15:17:53,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 15:17:53,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 15:17:53,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 15:17:53,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 15:17:53,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 15:17:53,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 15:17:53,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 15:17:53,530 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 15:17:53,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 15:17:53,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 15:17:53,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 15:17:53,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 15:17:53,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 15:17:53,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 15:17:53,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 15:17:53,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 15:17:53,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 15:17:53,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 15:17:53,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 15:17:53,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 15:17:53,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 15:17:53,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 15:17:53,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 15:17:53,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 15:17:53,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 15:17:53,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 15:17:53,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 15:17:53,547 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 15:17:53,567 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 15:17:53,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 15:17:53,567 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 15:17:53,568 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 15:17:53,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 15:17:53,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 15:17:53,569 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 15:17:53,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 15:17:53,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 15:17:53,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 15:17:53,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 15:17:53,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 15:17:53,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 15:17:53,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 15:17:53,570 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 15:17:53,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 15:17:53,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 15:17:53,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 15:17:53,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 15:17:53,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 15:17:53,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 15:17:53,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 15:17:53,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 15:17:53,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 15:17:53,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 15:17:53,572 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 15:17:53,572 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 15:17:53,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 15:17:53,572 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 15:17:53,572 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 360ec5ebc7de1eb91e96623bf34f9bb383badee02072911014bf1c2abf8464fb [2021-11-07 15:17:53,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 15:17:53,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 15:17:53,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 15:17:53,790 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 15:17:53,791 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 15:17:53,793 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rtlwifi--rtl8192se--rtl8192se.ko-entry_point.cil.out.i [2021-11-07 15:17:53,835 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff6beeb39/9c5fda04399e4638ab288d125ab63875/FLAGa26e3aef7 [2021-11-07 15:17:54,534 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 15:17:54,534 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rtlwifi--rtl8192se--rtl8192se.ko-entry_point.cil.out.i [2021-11-07 15:17:54,592 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff6beeb39/9c5fda04399e4638ab288d125ab63875/FLAGa26e3aef7 [2021-11-07 15:17:55,075 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff6beeb39/9c5fda04399e4638ab288d125ab63875 [2021-11-07 15:17:55,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 15:17:55,079 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 15:17:55,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 15:17:55,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 15:17:55,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 15:17:55,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:17:55" (1/1) ... [2021-11-07 15:17:55,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48522844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:17:55, skipping insertion in model container [2021-11-07 15:17:55,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:17:55" (1/1) ... [2021-11-07 15:17:55,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 15:17:55,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 15:17:58,370 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rtlwifi--rtl8192se--rtl8192se.ko-entry_point.cil.out.i[614660,614673] [2021-11-07 15:17:58,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 15:17:58,698 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 15:17:59,108 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rtlwifi--rtl8192se--rtl8192se.ko-entry_point.cil.out.i[614660,614673] [2021-11-07 15:17:59,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 15:17:59,240 INFO L208 MainTranslator]: Completed translation [2021-11-07 15:17:59,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:17:59 WrapperNode [2021-11-07 15:17:59,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 15:17:59,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 15:17:59,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 15:17:59,243 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 15:17:59,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:17:59" (1/1) ... [2021-11-07 15:17:59,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:17:59" (1/1) ... [2021-11-07 15:18:17,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 15:18:17,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 15:18:17,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 15:18:17,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 15:18:17,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:17:59" (1/1) ... [2021-11-07 15:18:17,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:17:59" (1/1) ... [2021-11-07 15:18:19,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:17:59" (1/1) ... [2021-11-07 15:18:19,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:17:59" (1/1) ... [2021-11-07 15:18:21,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:17:59" (1/1) ... [2021-11-07 15:18:23,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:17:59" (1/1) ... [2021-11-07 15:18:23,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:17:59" (1/1) ... [2021-11-07 15:18:24,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 15:18:24,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 15:18:24,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 15:18:24,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 15:18:24,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:17:59" (1/1) ... [2021-11-07 15:18:24,663 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 15:18:24,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 15:18:24,691 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 15:18:24,698 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 15:18:24,724 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2021-11-07 15:18:24,725 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2021-11-07 15:18:24,725 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_update_interrupt_mask [2021-11-07 15:18:24,725 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_update_interrupt_mask [2021-11-07 15:18:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 15:18:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_set_hw_reg [2021-11-07 15:18:24,726 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_set_hw_reg [2021-11-07 15:18:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-07 15:18:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-07 15:18:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 15:18:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 15:18:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 15:18:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-07 15:18:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 15:18:24,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 15:18:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_card_disable [2021-11-07 15:18:24,727 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_card_disable [2021-11-07 15:18:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 15:18:24,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 15:18:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 15:18:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 15:18:24,728 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-07 15:18:24,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-07 15:18:24,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 15:18:24,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 15:18:24,728 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-07 15:18:24,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-07 15:18:24,728 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_enable_interrupt [2021-11-07 15:18:24,728 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_enable_interrupt [2021-11-07 15:18:24,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 15:18:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 15:18:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_disable_interrupt [2021-11-07 15:18:24,729 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_disable_interrupt [2021-11-07 15:18:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 15:30:31,651 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 15:30:31,651 INFO L299 CfgBuilder]: Removed 54251 assume(true) statements. [2021-11-07 15:30:31,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:30:31 BoogieIcfgContainer [2021-11-07 15:30:31,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 15:30:31,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 15:30:31,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 15:30:31,728 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 15:30:31,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:17:55" (1/3) ... [2021-11-07 15:30:31,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ce1ab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:30:31, skipping insertion in model container [2021-11-07 15:30:31,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:17:59" (2/3) ... [2021-11-07 15:30:31,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ce1ab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:30:31, skipping insertion in model container [2021-11-07 15:30:31,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:30:31" (3/3) ... [2021-11-07 15:30:31,732 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rtlwifi--rtl8192se--rtl8192se.ko-entry_point.cil.out.i [2021-11-07 15:30:31,735 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 15:30:31,735 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 15:30:32,007 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 15:30:32,014 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 15:30:32,014 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 15:30:33,434 INFO L276 IsEmpty]: Start isEmpty. Operand has 118886 states, 117455 states have (on average 1.5429483632029288) internal successors, (181227), 117520 states have internal predecessors, (181227), 1418 states have call successors, (1418), 9 states have call predecessors, (1418), 9 states have return successors, (1418), 1377 states have call predecessors, (1418), 1418 states have call successors, (1418) [2021-11-07 15:30:33,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-07 15:30:33,447 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:30:33,447 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:30:33,448 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 15:30:33,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:30:33,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1704436838, now seen corresponding path program 1 times [2021-11-07 15:30:33,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:30:33,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737684847] [2021-11-07 15:30:33,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:30:33,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:30:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:30:34,324 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 15:30:34,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:30:34,325 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737684847] [2021-11-07 15:30:34,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737684847] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:30:34,326 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:30:34,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 15:30:34,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189872841] [2021-11-07 15:30:34,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:30:34,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 15:30:34,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:30:34,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 15:30:34,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 15:30:34,503 INFO L87 Difference]: Start difference. First operand has 118886 states, 117455 states have (on average 1.5429483632029288) internal successors, (181227), 117520 states have internal predecessors, (181227), 1418 states have call successors, (1418), 9 states have call predecessors, (1418), 9 states have return successors, (1418), 1377 states have call predecessors, (1418), 1418 states have call successors, (1418) Second operand has 2 states, 2 states have (on average 103.0) internal successors, (206), 2 states have internal predecessors, (206), 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 15:30:35,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:30:35,673 INFO L93 Difference]: Finished difference Result 61028 states and 93765 transitions. [2021-11-07 15:30:35,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 15:30:35,675 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 103.0) internal successors, (206), 2 states have internal predecessors, (206), 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 206 [2021-11-07 15:30:35,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:30:35,737 INFO L225 Difference]: With dead ends: 61028 [2021-11-07 15:30:35,737 INFO L226 Difference]: Without dead ends: 14939 [2021-11-07 15:30:35,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 15:30:35,831 INFO L933 BasicCegarLoop]: 46796 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46796 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 87.30ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-07 15:30:35,831 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 46796 Invalid, 0 Unknown, 0 Unchecked, 87.30ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-07 15:30:35,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14939 states. [2021-11-07 15:30:36,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14939 to 14939. [2021-11-07 15:30:36,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14939 states, 14875 states have (on average 1.5020504201680673) internal successors, (22343), 14880 states have internal predecessors, (22343), 56 states have call successors, (56), 5 states have call predecessors, (56), 5 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2021-11-07 15:30:36,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14939 states to 14939 states and 22455 transitions. [2021-11-07 15:30:36,195 INFO L78 Accepts]: Start accepts. Automaton has 14939 states and 22455 transitions. Word has length 206 [2021-11-07 15:30:36,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:30:36,196 INFO L470 AbstractCegarLoop]: Abstraction has 14939 states and 22455 transitions. [2021-11-07 15:30:36,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 103.0) internal successors, (206), 2 states have internal predecessors, (206), 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 15:30:36,196 INFO L276 IsEmpty]: Start isEmpty. Operand 14939 states and 22455 transitions. [2021-11-07 15:30:36,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-07 15:30:36,198 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:30:36,198 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:30:36,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 15:30:36,199 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 15:30:36,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:30:36,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1973282234, now seen corresponding path program 1 times [2021-11-07 15:30:36,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:30:36,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848061918] [2021-11-07 15:30:36,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:30:36,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:30:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:30:37,038 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 15:30:37,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:30:37,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848061918] [2021-11-07 15:30:37,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848061918] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:30:37,039 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:30:37,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:30:37,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461531785] [2021-11-07 15:30:37,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:30:37,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:30:37,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:30:37,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:30:37,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:30:37,041 INFO L87 Difference]: Start difference. First operand 14939 states and 22455 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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 15:30:39,240 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:30:39,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:30:39,927 INFO L93 Difference]: Finished difference Result 44388 states and 66858 transitions. [2021-11-07 15:30:39,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:30:39,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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 206 [2021-11-07 15:30:39,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:30:40,030 INFO L225 Difference]: With dead ends: 44388 [2021-11-07 15:30:40,030 INFO L226 Difference]: Without dead ends: 29645 [2021-11-07 15:30:40,066 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.05ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:30:40,067 INFO L933 BasicCegarLoop]: 22508 mSDtfsCounter, 22183 mSDsluCounter, 22435 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2249.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 22183 SdHoareTripleChecker+Valid, 44943 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 53.76ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2382.42ms IncrementalHoareTripleChecker+Time [2021-11-07 15:30:40,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22183 Valid, 44943 Invalid, 15 Unknown, 0 Unchecked, 53.76ms Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2382.42ms Time] [2021-11-07 15:30:40,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29645 states. [2021-11-07 15:30:40,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29645 to 29645. [2021-11-07 15:30:40,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29645 states, 29520 states have (on average 1.5044376693766939) internal successors, (44411), 29528 states have internal predecessors, (44411), 112 states have call successors, (112), 10 states have call predecessors, (112), 10 states have return successors, (112), 110 states have call predecessors, (112), 112 states have call successors, (112) [2021-11-07 15:30:40,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29645 states to 29645 states and 44635 transitions. [2021-11-07 15:30:40,771 INFO L78 Accepts]: Start accepts. Automaton has 29645 states and 44635 transitions. Word has length 206 [2021-11-07 15:30:40,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:30:40,773 INFO L470 AbstractCegarLoop]: Abstraction has 29645 states and 44635 transitions. [2021-11-07 15:30:40,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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 15:30:40,774 INFO L276 IsEmpty]: Start isEmpty. Operand 29645 states and 44635 transitions. [2021-11-07 15:30:40,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-07 15:30:40,776 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:30:40,776 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:30:40,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 15:30:40,777 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 15:30:40,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:30:40,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1569676189, now seen corresponding path program 1 times [2021-11-07 15:30:40,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:30:40,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731998965] [2021-11-07 15:30:40,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:30:40,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:30:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:30:41,579 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 15:30:41,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:30:41,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731998965] [2021-11-07 15:30:41,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731998965] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:30:41,579 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:30:41,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 15:30:41,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950888860] [2021-11-07 15:30:41,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:30:41,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:30:41,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:30:41,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:30:41,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:30:41,581 INFO L87 Difference]: Start difference. First operand 29645 states and 44635 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 2 states have internal predecessors, (215), 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 15:30:41,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:30:41,894 INFO L93 Difference]: Finished difference Result 29645 states and 44635 transitions. [2021-11-07 15:30:41,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:30:41,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 2 states have internal predecessors, (215), 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 215 [2021-11-07 15:30:41,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:30:41,972 INFO L225 Difference]: With dead ends: 29645 [2021-11-07 15:30:41,973 INFO L226 Difference]: Without dead ends: 29643 [2021-11-07 15:30:41,993 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.66ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:30:41,996 INFO L933 BasicCegarLoop]: 22452 mSDtfsCounter, 22240 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 22240 SdHoareTripleChecker+Valid, 22452 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.71ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.78ms IncrementalHoareTripleChecker+Time [2021-11-07 15:30:41,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22240 Valid, 22452 Invalid, 1 Unknown, 0 Unchecked, 20.71ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 5.78ms Time] [2021-11-07 15:30:42,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29643 states.