./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8192cu--rtl8192cu.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8192cu--rtl8192cu.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 d3eedf009c0354e40f9e91d5f02bdbd29fc69486fea85bd401e2764ccaedb5c6 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 16:45:44,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 16:45:44,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 16:45:44,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 16:45:44,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 16:45:44,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 16:45:44,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 16:45:44,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 16:45:44,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 16:45:44,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 16:45:44,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 16:45:44,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 16:45:44,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 16:45:44,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 16:45:44,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 16:45:44,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 16:45:44,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 16:45:44,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 16:45:44,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 16:45:44,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 16:45:44,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 16:45:44,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 16:45:44,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 16:45:44,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 16:45:44,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 16:45:44,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 16:45:44,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 16:45:44,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 16:45:44,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 16:45:44,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 16:45:44,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 16:45:44,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 16:45:44,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 16:45:44,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 16:45:44,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 16:45:44,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 16:45:44,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 16:45:44,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 16:45:44,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 16:45:44,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 16:45:44,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 16:45:44,394 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 16:45:44,410 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 16:45:44,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 16:45:44,413 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 16:45:44,413 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 16:45:44,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 16:45:44,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 16:45:44,415 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 16:45:44,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 16:45:44,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 16:45:44,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 16:45:44,417 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 16:45:44,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 16:45:44,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 16:45:44,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 16:45:44,417 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 16:45:44,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 16:45:44,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 16:45:44,418 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 16:45:44,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 16:45:44,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 16:45:44,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 16:45:44,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 16:45:44,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 16:45:44,419 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 16:45:44,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 16:45:44,425 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 16:45:44,425 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 16:45:44,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 16:45:44,426 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 16:45:44,426 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3eedf009c0354e40f9e91d5f02bdbd29fc69486fea85bd401e2764ccaedb5c6 [2021-11-05 16:45:44,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 16:45:44,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 16:45:44,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 16:45:44,690 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 16:45:44,690 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 16:45:44,691 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8192cu--rtl8192cu.ko-entry_point.cil.out.i [2021-11-05 16:45:44,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7937aeb59/23473f48dfb34744bb50f170ea88a330/FLAGe1ae83155 [2021-11-05 16:45:45,562 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 16:45:45,562 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8192cu--rtl8192cu.ko-entry_point.cil.out.i [2021-11-05 16:45:45,606 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7937aeb59/23473f48dfb34744bb50f170ea88a330/FLAGe1ae83155 [2021-11-05 16:45:45,776 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7937aeb59/23473f48dfb34744bb50f170ea88a330 [2021-11-05 16:45:45,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 16:45:45,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 16:45:45,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 16:45:45,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 16:45:45,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 16:45:45,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 04:45:45" (1/1) ... [2021-11-05 16:45:45,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3714a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:45:45, skipping insertion in model container [2021-11-05 16:45:45,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 04:45:45" (1/1) ... [2021-11-05 16:45:45,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 16:45:45,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 16:45:46,704 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8192cu--rtl8192cu.ko-entry_point.cil.out.i[223980,223993] [2021-11-05 16:45:49,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 16:45:49,219 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 16:45:49,296 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8192cu--rtl8192cu.ko-entry_point.cil.out.i[223980,223993] [2021-11-05 16:45:49,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 16:45:49,720 INFO L208 MainTranslator]: Completed translation [2021-11-05 16:45:49,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:45:49 WrapperNode [2021-11-05 16:45:49,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 16:45:49,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 16:45:49,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 16:45:49,722 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 16:45:49,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:45:49" (1/1) ... [2021-11-05 16:45:49,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:45:49" (1/1) ... [2021-11-05 16:45:51,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 16:45:51,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 16:45:51,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 16:45:51,233 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 16:45:51,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:45:49" (1/1) ... [2021-11-05 16:45:51,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:45:49" (1/1) ... [2021-11-05 16:45:51,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:45:49" (1/1) ... [2021-11-05 16:45:51,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:45:49" (1/1) ... [2021-11-05 16:45:52,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:45:49" (1/1) ... [2021-11-05 16:45:52,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:45:49" (1/1) ... [2021-11-05 16:45:52,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:45:49" (1/1) ... [2021-11-05 16:45:53,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 16:45:53,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 16:45:53,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 16:45:53,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 16:45:53,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:45:49" (1/1) ... [2021-11-05 16:45:53,289 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 16:45:53,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 16:45:53,306 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) [2021-11-05 16:45:53,320 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 [2021-11-05 16:45:53,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-11-05 16:45:53,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 16:45:53,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-05 16:45:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-05 16:45:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 16:45:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-11-05 16:45:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 16:45:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 16:45:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-05 16:45:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 16:45:53,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 16:45:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-05 16:45:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-05 16:45:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-05 16:45:53,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-05 16:45:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 16:45:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 16:45:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_get_hw_reg [2021-11-05 16:45:53,336 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_get_hw_reg [2021-11-05 16:45:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 16:45:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 16:45:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92cu_set_hw_reg [2021-11-05 16:45:53,336 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92cu_set_hw_reg [2021-11-05 16:45:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 16:45:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2021-11-05 16:48:52,203 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 16:48:52,203 INFO L299 CfgBuilder]: Removed 10707 assume(true) statements. [2021-11-05 16:48:52,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 04:48:52 BoogieIcfgContainer [2021-11-05 16:48:52,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 16:48:52,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 16:48:52,217 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 16:48:52,219 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 16:48:52,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 04:45:45" (1/3) ... [2021-11-05 16:48:52,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@184ec2ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 04:48:52, skipping insertion in model container [2021-11-05 16:48:52,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:45:49" (2/3) ... [2021-11-05 16:48:52,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@184ec2ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 04:48:52, skipping insertion in model container [2021-11-05 16:48:52,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 04:48:52" (3/3) ... [2021-11-05 16:48:52,221 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8192cu--rtl8192cu.ko-entry_point.cil.out.i [2021-11-05 16:48:52,224 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 16:48:52,224 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-05 16:48:52,292 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 16:48:52,299 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 [2021-11-05 16:48:52,299 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-05 16:48:52,473 INFO L276 IsEmpty]: Start isEmpty. Operand has 14854 states, 14811 states have (on average 1.5042873539936534) internal successors, (22280), 14813 states have internal predecessors, (22280), 38 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2021-11-05 16:48:52,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-05 16:48:52,483 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 16:48:52,484 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] [2021-11-05 16:48:52,484 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-05 16:48:52,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 16:48:52,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1219957156, now seen corresponding path program 1 times [2021-11-05 16:48:52,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 16:48:52,493 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904968694] [2021-11-05 16:48:52,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 16:48:52,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 16:48:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 16:48:53,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 16:48:53,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 16:48:53,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904968694] [2021-11-05 16:48:53,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904968694] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 16:48:53,683 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 16:48:53,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 16:48:53,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781076202] [2021-11-05 16:48:53,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 16:48:53,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 16:48:53,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 16:48:53,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 16:48:53,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:48:53,759 INFO L87 Difference]: Start difference. First operand has 14854 states, 14811 states have (on average 1.5042873539936534) internal successors, (22280), 14813 states have internal predecessors, (22280), 38 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) [2021-11-05 16:48:56,072 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 16:48:56,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 16:48:56,956 INFO L93 Difference]: Finished difference Result 44377 states and 66813 transitions. [2021-11-05 16:48:56,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 16:48:56,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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 85 [2021-11-05 16:48:56,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 16:48:57,099 INFO L225 Difference]: With dead ends: 44377 [2021-11-05 16:48:57,099 INFO L226 Difference]: Without dead ends: 29498 [2021-11-05 16:48:57,142 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.45ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:48:57,146 INFO L933 BasicCegarLoop]: 22352 mSDtfsCounter, 22098 mSDsluCounter, 22295 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2379.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 22098 SdHoareTripleChecker+Valid, 44647 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 77.77ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2475.09ms IncrementalHoareTripleChecker+Time [2021-11-05 16:48:57,147 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22098 Valid, 44647 Invalid, 15 Unknown, 0 Unchecked, 77.77ms Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2475.09ms Time] [2021-11-05 16:48:57,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29498 states. [2021-11-05 16:48:57,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29498 to 29498. [2021-11-05 16:48:57,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29498 states, 29415 states have (on average 1.5027027027027027) internal successors, (44202), 29417 states have internal predecessors, (44202), 76 states have call successors, (76), 6 states have call predecessors, (76), 6 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2021-11-05 16:48:57,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29498 states to 29498 states and 44354 transitions. [2021-11-05 16:48:57,831 INFO L78 Accepts]: Start accepts. Automaton has 29498 states and 44354 transitions. Word has length 85 [2021-11-05 16:48:57,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 16:48:57,832 INFO L470 AbstractCegarLoop]: Abstraction has 29498 states and 44354 transitions. [2021-11-05 16:48:57,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) [2021-11-05 16:48:57,835 INFO L276 IsEmpty]: Start isEmpty. Operand 29498 states and 44354 transitions. [2021-11-05 16:48:57,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-05 16:48:57,844 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 16:48:57,844 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] [2021-11-05 16:48:57,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-05 16:48:57,845 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-05 16:48:57,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 16:48:57,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1519483079, now seen corresponding path program 1 times [2021-11-05 16:48:57,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 16:48:57,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266951291] [2021-11-05 16:48:57,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 16:48:57,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 16:48:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 16:48:58,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 16:48:58,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 16:48:58,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266951291] [2021-11-05 16:48:58,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266951291] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 16:48:58,786 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 16:48:58,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 16:48:58,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597746624] [2021-11-05 16:48:58,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 16:48:58,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 16:48:58,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 16:48:58,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 16:48:58,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 16:48:58,788 INFO L87 Difference]: Start difference. First operand 29498 states and 44354 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 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) [2021-11-05 16:49:00,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 16:49:00,372 INFO L93 Difference]: Finished difference Result 88226 states and 132725 transitions. [2021-11-05 16:49:00,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 16:49:00,373 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 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 92 [2021-11-05 16:49:00,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 16:49:00,534 INFO L225 Difference]: With dead ends: 88226 [2021-11-05 16:49:00,534 INFO L226 Difference]: Without dead ends: 58856 [2021-11-05 16:49:00,609 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 254.43ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-05 16:49:00,610 INFO L933 BasicCegarLoop]: 22321 mSDtfsCounter, 22236 mSDsluCounter, 66755 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 453.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 22236 SdHoareTripleChecker+Valid, 89076 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 85.33ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 511.15ms IncrementalHoareTripleChecker+Time [2021-11-05 16:49:00,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22236 Valid, 89076 Invalid, 23 Unknown, 0 Unchecked, 85.33ms Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 511.15ms Time] [2021-11-05 16:49:00,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58856 states. [2021-11-05 16:49:02,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58856 to 58856. [2021-11-05 16:49:02,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58856 states, 58691 states have (on average 1.503211736041301) internal successors, (88225), 58695 states have internal predecessors, (88225), 152 states have call successors, (152), 12 states have call predecessors, (152), 12 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) [2021-11-05 16:49:02,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58856 states to 58856 states and 88529 transitions. [2021-11-05 16:49:02,590 INFO L78 Accepts]: Start accepts. Automaton has 58856 states and 88529 transitions. Word has length 92 [2021-11-05 16:49:02,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 16:49:02,592 INFO L470 AbstractCegarLoop]: Abstraction has 58856 states and 88529 transitions. [2021-11-05 16:49:02,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 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) [2021-11-05 16:49:02,597 INFO L276 IsEmpty]: Start isEmpty. Operand 58856 states and 88529 transitions. [2021-11-05 16:49:02,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-05 16:49:02,609 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 16:49:02,610 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 16:49:02,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-05 16:49:02,610 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-05 16:49:02,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 16:49:02,611 INFO L85 PathProgramCache]: Analyzing trace with hash -643232715, now seen corresponding path program 1 times [2021-11-05 16:49:02,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 16:49:02,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084556229] [2021-11-05 16:49:02,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 16:49:02,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 16:49:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 16:49:03,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 16:49:03,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 16:49:03,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084556229] [2021-11-05 16:49:03,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084556229] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 16:49:03,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 16:49:03,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 16:49:03,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853490030] [2021-11-05 16:49:03,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 16:49:03,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 16:49:03,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 16:49:03,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 16:49:03,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:49:03,419 INFO L87 Difference]: Start difference. First operand 58856 states and 88529 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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) [2021-11-05 16:49:05,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 16:49:05,481 INFO L93 Difference]: Finished difference Result 174636 states and 262676 transitions. [2021-11-05 16:49:05,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 16:49:05,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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 114 [2021-11-05 16:49:05,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 16:49:05,863 INFO L225 Difference]: With dead ends: 174636 [2021-11-05 16:49:05,863 INFO L226 Difference]: Without dead ends: 115913 [2021-11-05 16:49:05,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.97ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:49:05,953 INFO L933 BasicCegarLoop]: 22334 mSDtfsCounter, 21619 mSDsluCounter, 22098 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 456.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 21619 SdHoareTripleChecker+Valid, 44432 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 37.14ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 505.67ms IncrementalHoareTripleChecker+Time [2021-11-05 16:49:05,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21619 Valid, 44432 Invalid, 23 Unknown, 0 Unchecked, 37.14ms Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 505.67ms Time] [2021-11-05 16:49:06,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115913 states. [2021-11-05 16:49:07,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115913 to 115906. [2021-11-05 16:49:08,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115906 states, 115577 states have (on average 1.50286821772498) internal successors, (173697), 115585 states have internal predecessors, (173697), 304 states have call successors, (304), 24 states have call predecessors, (304), 24 states have return successors, (304), 296 states have call predecessors, (304), 304 states have call successors, (304) [2021-11-05 16:49:08,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115906 states to 115906 states and 174305 transitions. [2021-11-05 16:49:08,641 INFO L78 Accepts]: Start accepts. Automaton has 115906 states and 174305 transitions. Word has length 114 [2021-11-05 16:49:08,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 16:49:08,641 INFO L470 AbstractCegarLoop]: Abstraction has 115906 states and 174305 transitions. [2021-11-05 16:49:08,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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) [2021-11-05 16:49:08,642 INFO L276 IsEmpty]: Start isEmpty. Operand 115906 states and 174305 transitions. [2021-11-05 16:49:08,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-05 16:49:08,677 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 16:49:08,677 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 16:49:08,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-05 16:49:08,678 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-05 16:49:08,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 16:49:08,679 INFO L85 PathProgramCache]: Analyzing trace with hash 2096222794, now seen corresponding path program 1 times [2021-11-05 16:49:08,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 16:49:08,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231287060] [2021-11-05 16:49:08,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 16:49:08,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 16:49:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 16:49:09,768 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-05 16:49:09,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 16:49:09,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231287060] [2021-11-05 16:49:09,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231287060] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 16:49:09,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 16:49:09,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 16:49:09,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426732094] [2021-11-05 16:49:09,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 16:49:09,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 16:49:09,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 16:49:09,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 16:49:09,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 16:49:09,770 INFO L87 Difference]: Start difference. First operand 115906 states and 174305 transitions. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 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) [2021-11-05 16:49:16,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 16:49:16,820 INFO L93 Difference]: Finished difference Result 563333 states and 847925 transitions. [2021-11-05 16:49:16,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 16:49:16,821 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 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 133 [2021-11-05 16:49:16,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 16:49:18,216 INFO L225 Difference]: With dead ends: 563333 [2021-11-05 16:49:18,217 INFO L226 Difference]: Without dead ends: 447560 [2021-11-05 16:49:18,429 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 186.95ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 16:49:18,432 INFO L933 BasicCegarLoop]: 43519 mSDtfsCounter, 63270 mSDsluCounter, 64962 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1007.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 63334 SdHoareTripleChecker+Valid, 108481 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 110.24ms SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1086.16ms IncrementalHoareTripleChecker+Time [2021-11-05 16:49:18,433 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63334 Valid, 108481 Invalid, 234 Unknown, 0 Unchecked, 110.24ms Time], IncrementalHoareTripleChecker [94 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 1086.16ms Time] [2021-11-05 16:49:18,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447560 states. [2021-11-05 16:49:23,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447560 to 115914. [2021-11-05 16:49:23,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115914 states, 115585 states have (on average 1.5028334126400484) internal successors, (173705), 115593 states have internal predecessors, (173705), 304 states have call successors, (304), 24 states have call predecessors, (304), 24 states have return successors, (304), 296 states have call predecessors, (304), 304 states have call successors, (304) [2021-11-05 16:49:23,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115914 states to 115914 states and 174313 transitions. [2021-11-05 16:49:23,449 INFO L78 Accepts]: Start accepts. Automaton has 115914 states and 174313 transitions. Word has length 133 [2021-11-05 16:49:23,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 16:49:23,450 INFO L470 AbstractCegarLoop]: Abstraction has 115914 states and 174313 transitions. [2021-11-05 16:49:23,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 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) [2021-11-05 16:49:23,451 INFO L276 IsEmpty]: Start isEmpty. Operand 115914 states and 174313 transitions. [2021-11-05 16:49:23,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-05 16:49:23,489 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 16:49:23,489 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 16:49:23,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-05 16:49:23,490 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-05 16:49:23,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 16:49:23,490 INFO L85 PathProgramCache]: Analyzing trace with hash 944930836, now seen corresponding path program 1 times [2021-11-05 16:49:23,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 16:49:23,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420939026] [2021-11-05 16:49:23,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 16:49:23,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 16:49:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 16:49:24,895 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-05 16:49:24,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 16:49:24,895 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420939026] [2021-11-05 16:49:24,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420939026] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 16:49:24,895 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 16:49:24,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 16:49:24,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383691585] [2021-11-05 16:49:24,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 16:49:24,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 16:49:24,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 16:49:24,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 16:49:24,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:49:24,897 INFO L87 Difference]: Start difference. First operand 115914 states and 174313 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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) [2021-11-05 16:49:27,477 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 16:49:29,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 16:49:29,694 INFO L93 Difference]: Finished difference Result 231730 states and 348513 transitions. [2021-11-05 16:49:29,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 16:49:29,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 136 [2021-11-05 16:49:29,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 16:49:30,112 INFO L225 Difference]: With dead ends: 231730 [2021-11-05 16:49:30,112 INFO L226 Difference]: Without dead ends: 115920 [2021-11-05 16:49:30,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 46.85ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:49:30,208 INFO L933 BasicCegarLoop]: 22281 mSDtfsCounter, 0 mSDsluCounter, 22215 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2552.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44496 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.42ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2653.93ms IncrementalHoareTripleChecker+Time [2021-11-05 16:49:30,208 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 44496 Invalid, 82 Unknown, 0 Unchecked, 21.42ms Time], IncrementalHoareTripleChecker [10 Valid, 71 Invalid, 1 Unknown, 0 Unchecked, 2653.93ms Time] [2021-11-05 16:49:30,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115920 states.