./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--mwl8k.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--mwl8k.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 a6e1397422f061401041ed8290b479ab382edc5aeb84d3f22471688ceb94ba00 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 15:17:11,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 15:17:11,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 15:17:11,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 15:17:11,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 15:17:11,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 15:17:11,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 15:17:11,282 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 15:17:11,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 15:17:11,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 15:17:11,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 15:17:11,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 15:17:11,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 15:17:11,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 15:17:11,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 15:17:11,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 15:17:11,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 15:17:11,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 15:17:11,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 15:17:11,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 15:17:11,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 15:17:11,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 15:17:11,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 15:17:11,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 15:17:11,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 15:17:11,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 15:17:11,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 15:17:11,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 15:17:11,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 15:17:11,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 15:17:11,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 15:17:11,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 15:17:11,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 15:17:11,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 15:17:11,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 15:17:11,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 15:17:11,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 15:17:11,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 15:17:11,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 15:17:11,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 15:17:11,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 15:17:11,319 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 15:17:11,345 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 15:17:11,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 15:17:11,346 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 15:17:11,346 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 15:17:11,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 15:17:11,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 15:17:11,347 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 15:17:11,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 15:17:11,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 15:17:11,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 15:17:11,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 15:17:11,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 15:17:11,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 15:17:11,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 15:17:11,349 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 15:17:11,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 15:17:11,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 15:17:11,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 15:17:11,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 15:17:11,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 15:17:11,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 15:17:11,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 15:17:11,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 15:17:11,350 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 15:17:11,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 15:17:11,351 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 15:17:11,351 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 15:17:11,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 15:17:11,352 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 15:17:11,352 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6e1397422f061401041ed8290b479ab382edc5aeb84d3f22471688ceb94ba00 [2021-11-07 15:17:11,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 15:17:11,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 15:17:11,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 15:17:11,574 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 15:17:11,574 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 15:17:11,575 INFO L432 ainManager$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--mwl8k.ko-entry_point.cil.out.i [2021-11-07 15:17:11,610 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bfbfcd1d/7ab6ddcf3418421ab114549a6f68ec03/FLAGb9e767c11 [2021-11-07 15:17:12,345 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 15:17:12,345 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--mwl8k.ko-entry_point.cil.out.i [2021-11-07 15:17:12,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bfbfcd1d/7ab6ddcf3418421ab114549a6f68ec03/FLAGb9e767c11 [2021-11-07 15:17:12,646 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bfbfcd1d/7ab6ddcf3418421ab114549a6f68ec03 [2021-11-07 15:17:12,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 15:17:12,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 15:17:12,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 15:17:12,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 15:17:12,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 15:17:12,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:17:12" (1/1) ... [2021-11-07 15:17:12,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bfb153f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:17:12, skipping insertion in model container [2021-11-07 15:17:12,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:17:12" (1/1) ... [2021-11-07 15:17:12,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 15:17:12,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 15:17:15,224 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--mwl8k.ko-entry_point.cil.out.i[462027,462040] [2021-11-07 15:17:15,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 15:17:15,482 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 15:17:15,780 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--mwl8k.ko-entry_point.cil.out.i[462027,462040] [2021-11-07 15:17:15,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 15:17:15,926 INFO L208 MainTranslator]: Completed translation [2021-11-07 15:17:15,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:17:15 WrapperNode [2021-11-07 15:17:15,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 15:17:15,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 15:17:15,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 15:17:15,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 15:17:15,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:17:15" (1/1) ... [2021-11-07 15:17:16,030 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:17:15" (1/1) ... [2021-11-07 15:17:20,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 15:17:20,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 15:17:20,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 15:17:20,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 15:17:20,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:17:15" (1/1) ... [2021-11-07 15:17:20,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:17:15" (1/1) ... [2021-11-07 15:17:21,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:17:15" (1/1) ... [2021-11-07 15:17:21,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:17:15" (1/1) ... [2021-11-07 15:17:23,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:17:15" (1/1) ... [2021-11-07 15:17:23,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:17:15" (1/1) ... [2021-11-07 15:17:24,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:17:15" (1/1) ... [2021-11-07 15:17:24,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 15:17:24,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 15:17:24,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 15:17:24,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 15:17:24,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:17:15" (1/1) ... [2021-11-07 15:17:24,780 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 15:17:24,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 15:17:24,801 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 15:17:24,806 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 15:17:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 15:17:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 15:17:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-07 15:17:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-07 15:17:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 15:17:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 15:17:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 15:17:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-07 15:17:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2021-11-07 15:17:24,828 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2021-11-07 15:17:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 15:17:24,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 15:17:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2021-11-07 15:17:24,829 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2021-11-07 15:17:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 15:17:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 15:17:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2021-11-07 15:17:24,829 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2021-11-07 15:17:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 15:17:24,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 15:17:24,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 15:17:24,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 15:17:24,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 15:17:24,830 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2021-11-07 15:17:24,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2021-11-07 15:21:47,621 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 15:21:47,621 INFO L299 CfgBuilder]: Removed 31180 assume(true) statements. [2021-11-07 15:21:47,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:21:47 BoogieIcfgContainer [2021-11-07 15:21:47,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 15:21:47,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 15:21:47,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 15:21:47,651 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 15:21:47,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:17:12" (1/3) ... [2021-11-07 15:21:47,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23548a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:21:47, skipping insertion in model container [2021-11-07 15:21:47,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:17:15" (2/3) ... [2021-11-07 15:21:47,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23548a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:21:47, skipping insertion in model container [2021-11-07 15:21:47,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:21:47" (3/3) ... [2021-11-07 15:21:47,657 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i [2021-11-07 15:21:47,660 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 15:21:47,661 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 176 error locations. [2021-11-07 15:21:47,763 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 15:21:47,768 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 15:21:47,768 INFO L340 AbstractCegarLoop]: Starting to check reachability of 176 error locations. [2021-11-07 15:21:48,133 INFO L276 IsEmpty]: Start isEmpty. Operand has 33081 states, 32504 states have (on average 1.4352079744031503) internal successors, (46650), 32682 states have internal predecessors, (46650), 396 states have call successors, (396), 4 states have call predecessors, (396), 4 states have return successors, (396), 396 states have call predecessors, (396), 396 states have call successors, (396) [2021-11-07 15:21:48,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-07 15:21:48,151 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:21:48,151 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:21:48,152 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 173 more)] === [2021-11-07 15:21:48,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:21:48,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1450080300, now seen corresponding path program 1 times [2021-11-07 15:21:48,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:21:48,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436069878] [2021-11-07 15:21:48,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:21:48,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:21:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:21:48,838 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 15:21:48,838 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:21:48,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436069878] [2021-11-07 15:21:48,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436069878] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:21:48,841 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:21:48,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 15:21:48,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908253099] [2021-11-07 15:21:48,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:21:48,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 15:21:48,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:21:48,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 15:21:48,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 15:21:48,921 INFO L87 Difference]: Start difference. First operand has 33081 states, 32504 states have (on average 1.4352079744031503) internal successors, (46650), 32682 states have internal predecessors, (46650), 396 states have call successors, (396), 4 states have call predecessors, (396), 4 states have return successors, (396), 396 states have call predecessors, (396), 396 states have call successors, (396) Second operand has 2 states, 2 states have (on average 111.5) internal successors, (223), 2 states have internal predecessors, (223), 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 15:21:50,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:21:50,092 INFO L93 Difference]: Finished difference Result 66158 states and 95275 transitions. [2021-11-07 15:21:50,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 15:21:50,094 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 111.5) internal successors, (223), 2 states have internal predecessors, (223), 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 223 [2021-11-07 15:21:50,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:21:50,243 INFO L225 Difference]: With dead ends: 66158 [2021-11-07 15:21:50,243 INFO L226 Difference]: Without dead ends: 32677 [2021-11-07 15:21:50,423 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.04ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 15:21:50,426 INFO L933 BasicCegarLoop]: 46592 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, 46592 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 119.22ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-07 15:21:50,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 46592 Invalid, 0 Unknown, 0 Unchecked, 119.22ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-07 15:21:50,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32677 states. [2021-11-07 15:21:51,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32677 to 32677. [2021-11-07 15:21:51,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32677 states, 32101 states have (on average 1.4017008815924739) internal successors, (44996), 32278 states have internal predecessors, (44996), 396 states have call successors, (396), 4 states have call predecessors, (396), 4 states have return successors, (396), 396 states have call predecessors, (396), 396 states have call successors, (396) [2021-11-07 15:21:51,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32677 states to 32677 states and 45788 transitions. [2021-11-07 15:21:51,764 INFO L78 Accepts]: Start accepts. Automaton has 32677 states and 45788 transitions. Word has length 223 [2021-11-07 15:21:51,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:21:51,764 INFO L470 AbstractCegarLoop]: Abstraction has 32677 states and 45788 transitions. [2021-11-07 15:21:51,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 111.5) internal successors, (223), 2 states have internal predecessors, (223), 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 15:21:51,765 INFO L276 IsEmpty]: Start isEmpty. Operand 32677 states and 45788 transitions. [2021-11-07 15:21:51,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-07 15:21:51,770 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:21:51,770 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:21:51,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 15:21:51,771 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 173 more)] === [2021-11-07 15:21:51,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:21:51,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1721136814, now seen corresponding path program 1 times [2021-11-07 15:21:51,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:21:51,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803636151] [2021-11-07 15:21:51,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:21:51,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:21:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:21:52,283 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 15:21:52,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:21:52,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803636151] [2021-11-07 15:21:52,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803636151] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:21:52,286 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:21:52,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:21:52,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421245657] [2021-11-07 15:21:52,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:21:52,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:21:52,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:21:52,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:21:52,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:21:52,291 INFO L87 Difference]: Start difference. First operand 32677 states and 45788 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 15:21:54,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:21:54,212 INFO L93 Difference]: Finished difference Result 84735 states and 118792 transitions. [2021-11-07 15:21:54,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:21:54,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 223 [2021-11-07 15:21:54,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:21:54,414 INFO L225 Difference]: With dead ends: 84735 [2021-11-07 15:21:54,415 INFO L226 Difference]: Without dead ends: 52267 [2021-11-07 15:21:54,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.22ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:21:54,502 INFO L933 BasicCegarLoop]: 46013 mSDtfsCounter, 27656 mSDsluCounter, 45449 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 307.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 27656 SdHoareTripleChecker+Valid, 91462 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 114.27ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 392.03ms IncrementalHoareTripleChecker+Time [2021-11-07 15:21:54,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27656 Valid, 91462 Invalid, 117 Unknown, 0 Unchecked, 114.27ms Time], IncrementalHoareTripleChecker [6 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 392.03ms Time] [2021-11-07 15:21:54,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52267 states. [2021-11-07 15:21:55,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52267 to 52047. [2021-11-07 15:21:55,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52047 states, 51266 states have (on average 1.4028595950532516) internal successors, (71919), 51445 states have internal predecessors, (71919), 597 states have call successors, (597), 8 states have call predecessors, (597), 8 states have return successors, (597), 597 states have call predecessors, (597), 597 states have call successors, (597) [2021-11-07 15:21:56,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52047 states to 52047 states and 73113 transitions. [2021-11-07 15:21:56,017 INFO L78 Accepts]: Start accepts. Automaton has 52047 states and 73113 transitions. Word has length 223 [2021-11-07 15:21:56,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:21:56,020 INFO L470 AbstractCegarLoop]: Abstraction has 52047 states and 73113 transitions. [2021-11-07 15:21:56,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 15:21:56,021 INFO L276 IsEmpty]: Start isEmpty. Operand 52047 states and 73113 transitions. [2021-11-07 15:21:56,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-11-07 15:21:56,028 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:21:56,028 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:21:56,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 15:21:56,028 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr169ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 173 more)] === [2021-11-07 15:21:56,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:21:56,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1733803977, now seen corresponding path program 1 times [2021-11-07 15:21:56,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:21:56,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929025607] [2021-11-07 15:21:56,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:21:56,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:21:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:21:56,469 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 15:21:56,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:21:56,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929025607] [2021-11-07 15:21:56,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929025607] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:21:56,470 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:21:56,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:21:56,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025973915] [2021-11-07 15:21:56,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:21:56,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:21:56,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:21:56,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:21:56,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:21:56,472 INFO L87 Difference]: Start difference. First operand 52047 states and 73113 transitions. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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 15:21:58,558 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:22:00,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:22:00,503 INFO L93 Difference]: Finished difference Result 155689 states and 218850 transitions. [2021-11-07 15:22:00,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:22:00,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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 226 [2021-11-07 15:22:00,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:22:01,130 INFO L225 Difference]: With dead ends: 155689 [2021-11-07 15:22:01,142 INFO L226 Difference]: Without dead ends: 103851 [2021-11-07 15:22:01,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.03ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:22:01,288 INFO L933 BasicCegarLoop]: 46181 mSDtfsCounter, 45532 mSDsluCounter, 45766 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2096.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 45532 SdHoareTripleChecker+Valid, 91947 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 73.33ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2216.93ms IncrementalHoareTripleChecker+Time [2021-11-07 15:22:01,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45532 Valid, 91947 Invalid, 15 Unknown, 0 Unchecked, 73.33ms Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2216.93ms Time] [2021-11-07 15:22:01,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103851 states. [2021-11-07 15:22:03,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103851 to 103507. [2021-11-07 15:22:03,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103507 states, 102121 states have (on average 1.4041871897063287) internal successors, (143397), 102304 states have internal predecessors, (143397), 1194 states have call successors, (1194), 16 states have call predecessors, (1194), 16 states have return successors, (1194), 1194 states have call predecessors, (1194), 1194 states have call successors, (1194) [2021-11-07 15:22:04,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103507 states to 103507 states and 145785 transitions. [2021-11-07 15:22:04,695 INFO L78 Accepts]: Start accepts. Automaton has 103507 states and 145785 transitions. Word has length 226 [2021-11-07 15:22:04,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:22:04,697 INFO L470 AbstractCegarLoop]: Abstraction has 103507 states and 145785 transitions. [2021-11-07 15:22:04,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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 15:22:04,697 INFO L276 IsEmpty]: Start isEmpty. Operand 103507 states and 145785 transitions. [2021-11-07 15:22:04,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-07 15:22:04,699 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:22:04,699 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:22:04,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 15:22:04,700 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 173 more)] === [2021-11-07 15:22:04,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:22:04,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1069117329, now seen corresponding path program 1 times [2021-11-07 15:22:04,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:22:04,701 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361059349] [2021-11-07 15:22:04,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:22:04,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:22:04,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:22:05,066 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 15:22:05,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:22:05,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361059349] [2021-11-07 15:22:05,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361059349] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:22:05,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:22:05,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:22:05,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005914408] [2021-11-07 15:22:05,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:22:05,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:22:05,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:22:05,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:22:05,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:22:05,070 INFO L87 Difference]: Start difference. First operand 103507 states and 145785 transitions. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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 15:22:09,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:22:09,724 INFO L93 Difference]: Finished difference Result 207343 states and 291882 transitions. [2021-11-07 15:22:09,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:22:09,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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 227 [2021-11-07 15:22:09,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:22:10,005 INFO L225 Difference]: With dead ends: 207343 [2021-11-07 15:22:10,005 INFO L226 Difference]: Without dead ends: 104045 [2021-11-07 15:22:10,556 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.14ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:22:10,558 INFO L933 BasicCegarLoop]: 44920 mSDtfsCounter, 0 mSDsluCounter, 43760 mSDsCounter, 0 mSdLazyCounter, 1498 mSolverCounterSat, 1181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2336.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88680 SdHoareTripleChecker+Invalid, 2679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 58.33ms SdHoareTripleChecker+Time, 1181 IncrementalHoareTripleChecker+Valid, 1498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2713.62ms IncrementalHoareTripleChecker+Time [2021-11-07 15:22:10,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 88680 Invalid, 2679 Unknown, 0 Unchecked, 58.33ms Time], IncrementalHoareTripleChecker [1181 Valid, 1498 Invalid, 0 Unknown, 0 Unchecked, 2713.62ms Time] [2021-11-07 15:22:10,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104045 states. [2021-11-07 15:22:12,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104045 to 103507. [2021-11-07 15:22:13,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103507 states, 102121 states have (on average 1.3883824091029269) internal successors, (141783), 102304 states have internal predecessors, (141783), 1194 states have call successors, (1194), 16 states have call predecessors, (1194), 16 states have return successors, (1194), 1194 states have call predecessors, (1194), 1194 states have call successors, (1194) [2021-11-07 15:22:13,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103507 states to 103507 states and 144171 transitions. [2021-11-07 15:22:13,464 INFO L78 Accepts]: Start accepts. Automaton has 103507 states and 144171 transitions. Word has length 227 [2021-11-07 15:22:13,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:22:13,465 INFO L470 AbstractCegarLoop]: Abstraction has 103507 states and 144171 transitions. [2021-11-07 15:22:13,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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 15:22:13,465 INFO L276 IsEmpty]: Start isEmpty. Operand 103507 states and 144171 transitions. [2021-11-07 15:22:13,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-07 15:22:13,468 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:22:13,468 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:22:13,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 15:22:13,469 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 173 more)] === [2021-11-07 15:22:13,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:22:13,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1600004569, now seen corresponding path program 1 times [2021-11-07 15:22:13,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:22:13,470 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676942719] [2021-11-07 15:22:13,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:22:13,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:22:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:22:14,365 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 15:22:14,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:22:14,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676942719] [2021-11-07 15:22:14,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676942719] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:22:14,365 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:22:14,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 15:22:14,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584784778] [2021-11-07 15:22:14,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:22:14,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:22:14,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:22:14,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:22:14,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:22:14,367 INFO L87 Difference]: Start difference. First operand 103507 states and 144171 transitions. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 2 states have internal predecessors, (230), 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)