./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.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-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.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 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 12:32:26,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 12:32:26,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 12:32:26,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 12:32:26,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 12:32:26,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 12:32:26,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 12:32:26,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 12:32:26,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 12:32:26,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 12:32:26,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 12:32:26,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 12:32:26,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 12:32:26,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 12:32:26,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 12:32:26,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 12:32:26,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 12:32:26,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 12:32:26,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 12:32:26,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 12:32:26,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 12:32:26,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 12:32:26,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 12:32:26,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 12:32:26,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 12:32:26,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 12:32:26,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 12:32:26,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 12:32:26,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 12:32:26,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 12:32:26,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 12:32:26,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 12:32:26,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 12:32:26,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 12:32:26,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 12:32:26,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 12:32:26,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 12:32:26,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 12:32:26,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 12:32:26,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 12:32:26,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 12:32:26,145 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 12:32:26,163 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 12:32:26,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 12:32:26,166 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 12:32:26,166 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 12:32:26,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 12:32:26,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 12:32:26,167 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 12:32:26,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 12:32:26,168 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 12:32:26,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 12:32:26,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 12:32:26,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 12:32:26,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 12:32:26,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 12:32:26,169 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 12:32:26,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 12:32:26,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 12:32:26,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 12:32:26,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 12:32:26,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 12:32:26,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 12:32:26,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 12:32:26,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 12:32:26,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 12:32:26,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 12:32:26,171 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 12:32:26,171 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 12:32:26,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 12:32:26,171 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 12:32:26,171 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 [2021-11-07 12:32:26,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 12:32:26,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 12:32:26,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 12:32:26,385 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 12:32:26,387 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 12:32:26,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2021-11-07 12:32:26,452 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0b09ae3e/8b9d9df76ddd4fc09fee00d69f85895d/FLAG8692df844 [2021-11-07 12:32:27,161 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 12:32:27,163 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2021-11-07 12:32:27,233 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0b09ae3e/8b9d9df76ddd4fc09fee00d69f85895d/FLAG8692df844 [2021-11-07 12:32:27,463 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0b09ae3e/8b9d9df76ddd4fc09fee00d69f85895d [2021-11-07 12:32:27,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 12:32:27,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 12:32:27,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 12:32:27,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 12:32:27,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 12:32:27,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:32:27" (1/1) ... [2021-11-07 12:32:27,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b5cf97e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:32:27, skipping insertion in model container [2021-11-07 12:32:27,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:32:27" (1/1) ... [2021-11-07 12:32:27,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 12:32:27,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 12:32:30,140 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-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2021-11-07 12:32:30,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 12:32:30,309 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 12:32:30,633 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-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2021-11-07 12:32:30,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 12:32:30,723 INFO L208 MainTranslator]: Completed translation [2021-11-07 12:32:30,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:32:30 WrapperNode [2021-11-07 12:32:30,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 12:32:30,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 12:32:30,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 12:32:30,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 12:32:30,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:32:30" (1/1) ... [2021-11-07 12:32:30,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:32:30" (1/1) ... [2021-11-07 12:32:31,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 12:32:31,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 12:32:31,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 12:32:31,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 12:32:31,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:32:30" (1/1) ... [2021-11-07 12:32:32,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:32:30" (1/1) ... [2021-11-07 12:32:32,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:32:30" (1/1) ... [2021-11-07 12:32:32,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:32:30" (1/1) ... [2021-11-07 12:32:33,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:32:30" (1/1) ... [2021-11-07 12:32:33,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:32:30" (1/1) ... [2021-11-07 12:32:33,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:32:30" (1/1) ... [2021-11-07 12:32:33,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 12:32:33,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 12:32:33,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 12:32:33,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 12:32:33,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:32:30" (1/1) ... [2021-11-07 12:32:33,506 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 12:32:33,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 12:32:33,525 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 12:32:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 12:32:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 12:32:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-07 12:32:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-07 12:32:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 12:32:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 12:32:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 12:32:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-07 12:32:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2021-11-07 12:32:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2021-11-07 12:32:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 12:32:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 12:32:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2021-11-07 12:32:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2021-11-07 12:32:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 12:32:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 12:32:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2021-11-07 12:32:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2021-11-07 12:32:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 12:32:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 12:32:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 12:32:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 12:32:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 12:32:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2021-11-07 12:32:33,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2021-11-07 12:32:33,541 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 12:33:46,255 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 12:33:46,255 INFO L299 CfgBuilder]: Removed 7922 assume(true) statements. [2021-11-07 12:33:46,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:33:46 BoogieIcfgContainer [2021-11-07 12:33:46,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 12:33:46,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 12:33:46,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 12:33:46,266 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 12:33:46,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:32:27" (1/3) ... [2021-11-07 12:33:46,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c3cad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:33:46, skipping insertion in model container [2021-11-07 12:33:46,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:32:30" (2/3) ... [2021-11-07 12:33:46,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c3cad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:33:46, skipping insertion in model container [2021-11-07 12:33:46,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:33:46" (3/3) ... [2021-11-07 12:33:46,268 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2021-11-07 12:33:46,271 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 12:33:46,271 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2021-11-07 12:33:46,321 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 12:33:46,325 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 12:33:46,326 INFO L340 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2021-11-07 12:33:46,412 INFO L276 IsEmpty]: Start isEmpty. Operand has 8322 states, 8174 states have (on average 1.4219476388549057) internal successors, (11623), 8218 states have internal predecessors, (11623), 101 states have call successors, (101), 4 states have call predecessors, (101), 4 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2021-11-07 12:33:46,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-07 12:33:46,414 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:33:46,415 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-07 12:33:46,415 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 39 more)] === [2021-11-07 12:33:46,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:33:46,419 INFO L85 PathProgramCache]: Analyzing trace with hash 2017409674, now seen corresponding path program 1 times [2021-11-07 12:33:46,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:33:46,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591717756] [2021-11-07 12:33:46,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:33:46,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:33:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:33:46,862 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 12:33:46,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:33:46,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591717756] [2021-11-07 12:33:46,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591717756] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:33:46,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:33:46,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 12:33:46,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516580823] [2021-11-07 12:33:46,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:33:46,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 12:33:46,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:33:46,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 12:33:46,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:33:46,916 INFO L87 Difference]: Start difference. First operand has 8322 states, 8174 states have (on average 1.4219476388549057) internal successors, (11623), 8218 states have internal predecessors, (11623), 101 states have call successors, (101), 4 states have call predecessors, (101), 4 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 12:33:48,998 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:33:49,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:33:49,843 INFO L93 Difference]: Finished difference Result 24013 states and 34573 transitions. [2021-11-07 12:33:49,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 12:33:49,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2021-11-07 12:33:49,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:33:49,913 INFO L225 Difference]: With dead ends: 24013 [2021-11-07 12:33:49,913 INFO L226 Difference]: Without dead ends: 15471 [2021-11-07 12:33:49,991 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.04ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:33:49,996 INFO L933 BasicCegarLoop]: 11820 mSDtfsCounter, 10483 mSDsluCounter, 11565 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 68 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2232.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10483 SdHoareTripleChecker+Valid, 23385 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 45.96ms SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2409.32ms IncrementalHoareTripleChecker+Time [2021-11-07 12:33:49,998 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10483 Valid, 23385 Invalid, 177 Unknown, 0 Unchecked, 45.96ms Time], IncrementalHoareTripleChecker [68 Valid, 108 Invalid, 1 Unknown, 0 Unchecked, 2409.32ms Time] [2021-11-07 12:33:50,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15471 states. [2021-11-07 12:33:50,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15471 to 15445. [2021-11-07 12:33:50,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15445 states, 15193 states have (on average 1.3897189495162245) internal successors, (21114), 15238 states have internal predecessors, (21114), 202 states have call successors, (202), 8 states have call predecessors, (202), 8 states have return successors, (404), 202 states have call predecessors, (404), 202 states have call successors, (404) [2021-11-07 12:33:50,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15445 states to 15445 states and 21720 transitions. [2021-11-07 12:33:50,500 INFO L78 Accepts]: Start accepts. Automaton has 15445 states and 21720 transitions. Word has length 6 [2021-11-07 12:33:50,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:33:50,500 INFO L470 AbstractCegarLoop]: Abstraction has 15445 states and 21720 transitions. [2021-11-07 12:33:50,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 12:33:50,501 INFO L276 IsEmpty]: Start isEmpty. Operand 15445 states and 21720 transitions. [2021-11-07 12:33:50,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-07 12:33:50,501 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:33:50,501 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-07 12:33:50,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 12:33:50,502 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 39 more)] === [2021-11-07 12:33:50,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:33:50,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1884783199, now seen corresponding path program 1 times [2021-11-07 12:33:50,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:33:50,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393626476] [2021-11-07 12:33:50,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:33:50,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:33:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:33:50,658 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 12:33:50,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:33:50,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393626476] [2021-11-07 12:33:50,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393626476] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:33:50,659 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:33:50,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 12:33:50,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123231091] [2021-11-07 12:33:50,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:33:50,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 12:33:50,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:33:50,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 12:33:50,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:33:50,661 INFO L87 Difference]: Start difference. First operand 15445 states and 21720 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 12:33:52,720 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:33:53,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:33:53,098 INFO L93 Difference]: Finished difference Result 15445 states and 21720 transitions. [2021-11-07 12:33:53,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 12:33:53,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2021-11-07 12:33:53,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:33:53,151 INFO L225 Difference]: With dead ends: 15445 [2021-11-07 12:33:53,151 INFO L226 Difference]: Without dead ends: 15443 [2021-11-07 12:33:53,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.01ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:33:53,160 INFO L933 BasicCegarLoop]: 11412 mSDtfsCounter, 11408 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2056.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11408 SdHoareTripleChecker+Valid, 11412 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.15ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2192.39ms IncrementalHoareTripleChecker+Time [2021-11-07 12:33:53,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11408 Valid, 11412 Invalid, 2 Unknown, 0 Unchecked, 21.15ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2192.39ms Time] [2021-11-07 12:33:53,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15443 states. [2021-11-07 12:33:53,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15443 to 15443. [2021-11-07 12:33:53,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15443 states, 15192 states have (on average 1.3896787783043707) internal successors, (21112), 15236 states have internal predecessors, (21112), 202 states have call successors, (202), 8 states have call predecessors, (202), 8 states have return successors, (404), 202 states have call predecessors, (404), 202 states have call successors, (404) [2021-11-07 12:33:53,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15443 states to 15443 states and 21718 transitions. [2021-11-07 12:33:53,562 INFO L78 Accepts]: Start accepts. Automaton has 15443 states and 21718 transitions. Word has length 7 [2021-11-07 12:33:53,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:33:53,562 INFO L470 AbstractCegarLoop]: Abstraction has 15443 states and 21718 transitions. [2021-11-07 12:33:53,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 12:33:53,563 INFO L276 IsEmpty]: Start isEmpty. Operand 15443 states and 21718 transitions. [2021-11-07 12:33:53,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-07 12:33:53,563 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:33:53,563 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 12:33:53,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 12:33:53,564 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 39 more)] === [2021-11-07 12:33:53,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:33:53,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1701289332, now seen corresponding path program 1 times [2021-11-07 12:33:53,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:33:53,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478426321] [2021-11-07 12:33:53,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:33:53,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:33:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:33:53,710 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 12:33:53,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:33:53,711 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478426321] [2021-11-07 12:33:53,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478426321] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:33:53,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:33:53,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 12:33:53,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557765282] [2021-11-07 12:33:53,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:33:53,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 12:33:53,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:33:53,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 12:33:53,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:33:53,713 INFO L87 Difference]: Start difference. First operand 15443 states and 21718 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 12:33:55,770 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:33:56,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:33:56,027 INFO L93 Difference]: Finished difference Result 15443 states and 21718 transitions. [2021-11-07 12:33:56,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 12:33:56,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2021-11-07 12:33:56,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:33:56,269 INFO L225 Difference]: With dead ends: 15443 [2021-11-07 12:33:56,270 INFO L226 Difference]: Without dead ends: 15438 [2021-11-07 12:33:56,278 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.06ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:33:56,280 INFO L933 BasicCegarLoop]: 11411 mSDtfsCounter, 11405 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2053.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11405 SdHoareTripleChecker+Valid, 11411 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.04ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2054.36ms IncrementalHoareTripleChecker+Time [2021-11-07 12:33:56,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11405 Valid, 11411 Invalid, 1 Unknown, 0 Unchecked, 16.04ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 2054.36ms Time] [2021-11-07 12:33:56,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15438 states. [2021-11-07 12:33:56,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15438 to 15438. [2021-11-07 12:33:56,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15438 states, 15188 states have (on average 1.389583882012115) internal successors, (21105), 15231 states have internal predecessors, (21105), 202 states have call successors, (202), 8 states have call predecessors, (202), 8 states have return successors, (404), 202 states have call predecessors, (404), 202 states have call successors, (404) [2021-11-07 12:33:56,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15438 states to 15438 states and 21711 transitions. [2021-11-07 12:33:56,679 INFO L78 Accepts]: Start accepts. Automaton has 15438 states and 21711 transitions. Word has length 8 [2021-11-07 12:33:56,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:33:56,680 INFO L470 AbstractCegarLoop]: Abstraction has 15438 states and 21711 transitions. [2021-11-07 12:33:56,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 12:33:56,680 INFO L276 IsEmpty]: Start isEmpty. Operand 15438 states and 21711 transitions. [2021-11-07 12:33:56,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 12:33:56,688 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:33:56,688 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] [2021-11-07 12:33:56,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 12:33:56,688 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 39 more)] === [2021-11-07 12:33:56,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:33:56,689 INFO L85 PathProgramCache]: Analyzing trace with hash 825537041, now seen corresponding path program 1 times [2021-11-07 12:33:56,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:33:56,689 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876195031] [2021-11-07 12:33:56,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:33:56,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:33:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:33:57,165 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 12:33:57,165 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:33:57,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876195031] [2021-11-07 12:33:57,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876195031] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:33:57,166 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:33:57,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 12:33:57,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512768331] [2021-11-07 12:33:57,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:33:57,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 12:33:57,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:33:57,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 12:33:57,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:33:57,169 INFO L87 Difference]: Start difference. First operand 15438 states and 21711 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 12:33:58,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:33:58,068 INFO L93 Difference]: Finished difference Result 30922 states and 43468 transitions. [2021-11-07 12:33:58,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 12:33:58,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 36 [2021-11-07 12:33:58,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:33:58,111 INFO L225 Difference]: With dead ends: 30922 [2021-11-07 12:33:58,111 INFO L226 Difference]: Without dead ends: 15486 [2021-11-07 12:33:58,164 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.01ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:33:58,169 INFO L933 BasicCegarLoop]: 11224 mSDtfsCounter, 0 mSDsluCounter, 10977 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 436.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22201 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.32ms SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 551.45ms IncrementalHoareTripleChecker+Time [2021-11-07 12:33:58,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 22201 Invalid, 569 Unknown, 0 Unchecked, 23.32ms Time], IncrementalHoareTripleChecker [250 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 551.45ms Time] [2021-11-07 12:33:58,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15486 states. [2021-11-07 12:33:58,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15486 to 15438. [2021-11-07 12:33:58,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15438 states, 15188 states have (on average 1.3801027126678957) internal successors, (20961), 15231 states have internal predecessors, (20961), 202 states have call successors, (202), 8 states have call predecessors, (202), 8 states have return successors, (404), 202 states have call predecessors, (404), 202 states have call successors, (404) [2021-11-07 12:33:58,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15438 states to 15438 states and 21567 transitions. [2021-11-07 12:33:58,561 INFO L78 Accepts]: Start accepts. Automaton has 15438 states and 21567 transitions. Word has length 36 [2021-11-07 12:33:58,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:33:58,561 INFO L470 AbstractCegarLoop]: Abstraction has 15438 states and 21567 transitions. [2021-11-07 12:33:58,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 12:33:58,562 INFO L276 IsEmpty]: Start isEmpty. Operand 15438 states and 21567 transitions. [2021-11-07 12:33:58,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-07 12:33:58,565 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:33:58,565 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] [2021-11-07 12:33:58,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 12:33:58,566 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 39 more)] === [2021-11-07 12:33:58,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:33:58,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1750950292, now seen corresponding path program 1 times [2021-11-07 12:33:58,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:33:58,567 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234226283] [2021-11-07 12:33:58,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:33:58,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:33:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:33:58,786 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 12:33:58,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:33:58,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234226283] [2021-11-07 12:33:58,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234226283] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:33:58,787 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:33:58,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 12:33:58,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039624658] [2021-11-07 12:33:58,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:33:58,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 12:33:58,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:33:58,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 12:33:58,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 12:33:58,789 INFO L87 Difference]: Start difference. First operand 15438 states and 21567 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 12:34:03,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:34:03,012 INFO L93 Difference]: Finished difference Result 125800 states and 174587 transitions. [2021-11-07 12:34:03,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 12:34:03,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 39 [2021-11-07 12:34:03,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:34:03,612 INFO L225 Difference]: With dead ends: 125800 [2021-11-07 12:34:03,612 INFO L226 Difference]: Without dead ends: 110364 [2021-11-07 12:34:03,698 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 31.13ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 12:34:03,699 INFO L933 BasicCegarLoop]: 39734 mSDtfsCounter, 62024 mSDsluCounter, 97449 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 722 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1288.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 62233 SdHoareTripleChecker+Valid, 137183 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 141.01ms SdHoareTripleChecker+Time, 722 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1492.91ms IncrementalHoareTripleChecker+Time [2021-11-07 12:34:03,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62233 Valid, 137183 Invalid, 1089 Unknown, 0 Unchecked, 141.01ms Time], IncrementalHoareTripleChecker [722 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 1492.91ms Time] [2021-11-07 12:34:03,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110364 states. [2021-11-07 12:34:05,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110364 to 15456. [2021-11-07 12:34:05,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15456 states, 15206 states have (on average 1.3796527686439564) internal successors, (20979), 15249 states have internal predecessors, (20979), 202 states have call successors, (202), 8 states have call predecessors, (202), 8 states have return successors, (404), 202 states have call predecessors, (404), 202 states have call successors, (404) [2021-11-07 12:34:05,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15456 states to 15456 states and 21585 transitions. [2021-11-07 12:34:05,819 INFO L78 Accepts]: Start accepts. Automaton has 15456 states and 21585 transitions. Word has length 39 [2021-11-07 12:34:05,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:34:05,820 INFO L470 AbstractCegarLoop]: Abstraction has 15456 states and 21585 transitions. [2021-11-07 12:34:05,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 12:34:05,820 INFO L276 IsEmpty]: Start isEmpty. Operand 15456 states and 21585 transitions. [2021-11-07 12:34:05,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-07 12:34:05,825 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:34:05,825 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] [2021-11-07 12:34:05,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 12:34:05,825 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 39 more)] === [2021-11-07 12:34:05,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:34:05,826 INFO L85 PathProgramCache]: Analyzing trace with hash 504688916, now seen corresponding path program 1 times [2021-11-07 12:34:05,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:34:05,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125483673] [2021-11-07 12:34:05,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:34:05,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:34:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:34:06,037 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 12:34:06,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:34:06,038 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125483673] [2021-11-07 12:34:06,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125483673] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:34:06,038 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:34:06,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 12:34:06,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926185171] [2021-11-07 12:34:06,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:34:06,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 12:34:06,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:34:06,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 12:34:06,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 12:34:06,039 INFO L87 Difference]: Start difference. First operand 15456 states and 21585 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 12:34:11,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:34:11,042 INFO L93 Difference]: Finished difference Result 126474 states and 175425 transitions. [2021-11-07 12:34:11,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 12:34:11,043 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 39 [2021-11-07 12:34:11,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:34:11,312 INFO L225 Difference]: With dead ends: 126474 [2021-11-07 12:34:11,312 INFO L226 Difference]: Without dead ends: 111020 [2021-11-07 12:34:11,395 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 31.76ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 12:34:11,396 INFO L933 BasicCegarLoop]: 44712 mSDtfsCounter, 56368 mSDsluCounter, 94370 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 747 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1059.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 56593 SdHoareTripleChecker+Valid, 139082 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 129.94ms SdHoareTripleChecker+Time, 747 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1236.05ms IncrementalHoareTripleChecker+Time [2021-11-07 12:34:11,397 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56593 Valid, 139082 Invalid, 1165 Unknown, 0 Unchecked, 129.94ms Time], IncrementalHoareTripleChecker [747 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 1236.05ms Time] [2021-11-07 12:34:11,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111020 states. [2021-11-07 12:34:12,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111020 to 15468. [2021-11-07 12:34:12,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15468 states, 15218 states have (on average 1.3793533972926797) internal successors, (20991), 15261 states have internal predecessors, (20991), 202 states have call successors, (202), 8 states have call predecessors, (202), 8 states have return successors, (404), 202 states have call predecessors, (404), 202 states have call successors, (404) [2021-11-07 12:34:12,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15468 states to 15468 states and 21597 transitions. [2021-11-07 12:34:12,944 INFO L78 Accepts]: Start accepts. Automaton has 15468 states and 21597 transitions. Word has length 39 [2021-11-07 12:34:12,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:34:12,944 INFO L470 AbstractCegarLoop]: Abstraction has 15468 states and 21597 transitions. [2021-11-07 12:34:12,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 12:34:12,944 INFO L276 IsEmpty]: Start isEmpty. Operand 15468 states and 21597 transitions. [2021-11-07 12:34:12,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-07 12:34:12,948 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:34:12,948 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] [2021-11-07 12:34:12,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 12:34:12,948 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 39 more)] === [2021-11-07 12:34:12,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:34:12,949 INFO L85 PathProgramCache]: Analyzing trace with hash -31052317, now seen corresponding path program 1 times [2021-11-07 12:34:12,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:34:12,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326537762] [2021-11-07 12:34:12,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:34:12,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:34:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:34:13,159 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 12:34:13,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:34:13,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326537762] [2021-11-07 12:34:13,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326537762] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:34:13,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:34:13,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 12:34:13,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687871896] [2021-11-07 12:34:13,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:34:13,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 12:34:13,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:34:13,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 12:34:13,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 12:34:13,162 INFO L87 Difference]: Start difference. First operand 15468 states and 21597 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 12:34:16,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:34:16,052 INFO L93 Difference]: Finished difference Result 71900 states and 100201 transitions. [2021-11-07 12:34:16,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 12:34:16,053 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 42 [2021-11-07 12:34:16,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:34:16,210 INFO L225 Difference]: With dead ends: 71900 [2021-11-07 12:34:16,210 INFO L226 Difference]: Without dead ends: 56434 [2021-11-07 12:34:16,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.19ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 12:34:16,299 INFO L933 BasicCegarLoop]: 21706 mSDtfsCounter, 36771 mSDsluCounter, 40630 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 407.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 36963 SdHoareTripleChecker+Valid, 62336 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 57.73ms SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 478.95ms IncrementalHoareTripleChecker+Time [2021-11-07 12:34:16,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36963 Valid, 62336 Invalid, 417 Unknown, 0 Unchecked, 57.73ms Time], IncrementalHoareTripleChecker [273 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 478.95ms Time] [2021-11-07 12:34:16,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56434 states. [2021-11-07 12:34:17,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56434 to 15492. [2021-11-07 12:34:17,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15492 states, 15242 states have (on average 1.378756068757381) internal successors, (21015), 15285 states have internal predecessors, (21015), 202 states have call successors, (202), 8 states have call predecessors, (202), 8 states have return successors, (404), 202 states have call predecessors, (404), 202 states have call successors, (404) [2021-11-07 12:34:17,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15492 states to 15492 states and 21621 transitions. [2021-11-07 12:34:17,512 INFO L78 Accepts]: Start accepts. Automaton has 15492 states and 21621 transitions. Word has length 42 [2021-11-07 12:34:17,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:34:17,512 INFO L470 AbstractCegarLoop]: Abstraction has 15492 states and 21621 transitions. [2021-11-07 12:34:17,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 12:34:17,513 INFO L276 IsEmpty]: Start isEmpty. Operand 15492 states and 21621 transitions. [2021-11-07 12:34:17,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-07 12:34:17,520 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:34:17,520 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] [2021-11-07 12:34:17,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 12:34:17,521 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 39 more)] === [2021-11-07 12:34:17,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:34:17,522 INFO L85 PathProgramCache]: Analyzing trace with hash 514761064, now seen corresponding path program 1 times [2021-11-07 12:34:17,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:34:17,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308257128] [2021-11-07 12:34:17,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:34:17,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:34:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 12:34:20,290 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 12:34:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 12:34:22,448 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 12:34:22,448 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-07 12:34:22,449 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION (41 of 42 remaining) [2021-11-07 12:34:22,450 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION (40 of 42 remaining) [2021-11-07 12:34:22,450 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION (39 of 42 remaining) [2021-11-07 12:34:22,450 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (38 of 42 remaining) [2021-11-07 12:34:22,451 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (37 of 42 remaining) [2021-11-07 12:34:22,451 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (36 of 42 remaining) [2021-11-07 12:34:22,451 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (35 of 42 remaining) [2021-11-07 12:34:22,453 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (34 of 42 remaining) [2021-11-07 12:34:22,453 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (33 of 42 remaining) [2021-11-07 12:34:22,453 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (32 of 42 remaining) [2021-11-07 12:34:22,453 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (31 of 42 remaining) [2021-11-07 12:34:22,454 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (30 of 42 remaining) [2021-11-07 12:34:22,454 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (29 of 42 remaining) [2021-11-07 12:34:22,454 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (28 of 42 remaining) [2021-11-07 12:34:22,454 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (27 of 42 remaining) [2021-11-07 12:34:22,454 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (26 of 42 remaining) [2021-11-07 12:34:22,455 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (25 of 42 remaining) [2021-11-07 12:34:22,455 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (24 of 42 remaining) [2021-11-07 12:34:22,455 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (23 of 42 remaining) [2021-11-07 12:34:22,456 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (22 of 42 remaining) [2021-11-07 12:34:22,456 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (21 of 42 remaining) [2021-11-07 12:34:22,456 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (20 of 42 remaining) [2021-11-07 12:34:22,456 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (19 of 42 remaining) [2021-11-07 12:34:22,456 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (18 of 42 remaining) [2021-11-07 12:34:22,456 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (17 of 42 remaining) [2021-11-07 12:34:22,457 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (16 of 42 remaining) [2021-11-07 12:34:22,457 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (15 of 42 remaining) [2021-11-07 12:34:22,457 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (14 of 42 remaining) [2021-11-07 12:34:22,457 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (13 of 42 remaining) [2021-11-07 12:34:22,457 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (12 of 42 remaining) [2021-11-07 12:34:22,457 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION (11 of 42 remaining) [2021-11-07 12:34:22,457 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION (10 of 42 remaining) [2021-11-07 12:34:22,458 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION (9 of 42 remaining) [2021-11-07 12:34:22,458 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION (8 of 42 remaining) [2021-11-07 12:34:22,458 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION (7 of 42 remaining) [2021-11-07 12:34:22,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION (6 of 42 remaining) [2021-11-07 12:34:22,461 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION (5 of 42 remaining) [2021-11-07 12:34:22,461 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION (4 of 42 remaining) [2021-11-07 12:34:22,461 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION (3 of 42 remaining) [2021-11-07 12:34:22,461 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION (2 of 42 remaining) [2021-11-07 12:34:22,461 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION (1 of 42 remaining) [2021-11-07 12:34:22,461 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION (0 of 42 remaining) [2021-11-07 12:34:22,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-07 12:34:22,464 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 12:34:22,466 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 12:34:22,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:34:22 BoogieIcfgContainer [2021-11-07 12:34:22,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 12:34:22,742 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 12:34:22,742 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 12:34:22,742 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 12:34:22,743 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:33:46" (3/4) ... [2021-11-07 12:34:22,745 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 12:34:22,745 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 12:34:22,745 INFO L158 Benchmark]: Toolchain (without parser) took 115279.47ms. Allocated memory was 125.8MB in the beginning and 4.5GB in the end (delta: 4.4GB). Free memory was 95.1MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2021-11-07 12:34:22,746 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory was 99.1MB in the beginning and 99.1MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-07 12:34:22,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3249.50ms. Allocated memory was 125.8MB in the beginning and 203.4MB in the end (delta: 77.6MB). Free memory was 94.5MB in the beginning and 81.2MB in the end (delta: 13.3MB). Peak memory consumption was 113.5MB. Max. memory is 16.1GB. [2021-11-07 12:34:22,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 1254.71ms. Allocated memory was 203.4MB in the beginning and 654.3MB in the end (delta: 450.9MB). Free memory was 81.2MB in the beginning and 438.6MB in the end (delta: -357.5MB). Peak memory consumption was 187.8MB. Max. memory is 16.1GB. [2021-11-07 12:34:22,746 INFO L158 Benchmark]: Boogie Preprocessor took 1515.92ms. Allocated memory is still 654.3MB. Free memory was 438.6MB in the beginning and 338.0MB in the end (delta: 100.7MB). Peak memory consumption was 227.5MB. Max. memory is 16.1GB. [2021-11-07 12:34:22,747 INFO L158 Benchmark]: RCFGBuilder took 72764.35ms. Allocated memory was 654.3MB in the beginning and 3.1GB in the end (delta: 2.5GB). Free memory was 338.0MB in the beginning and 2.4GB in the end (delta: -2.1GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2021-11-07 12:34:22,747 INFO L158 Benchmark]: TraceAbstraction took 36478.25ms. Allocated memory was 3.1GB in the beginning and 4.5GB in the end (delta: 1.4GB). Free memory was 2.4GB in the beginning and 2.9GB in the end (delta: -491.0MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2021-11-07 12:34:22,747 INFO L158 Benchmark]: Witness Printer took 3.25ms. Allocated memory is still 4.5GB. Free memory was 2.9GB in the beginning and 2.9GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-07 12:34:22,748 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory was 99.1MB in the beginning and 99.1MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3249.50ms. Allocated memory was 125.8MB in the beginning and 203.4MB in the end (delta: 77.6MB). Free memory was 94.5MB in the beginning and 81.2MB in the end (delta: 13.3MB). Peak memory consumption was 113.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1254.71ms. Allocated memory was 203.4MB in the beginning and 654.3MB in the end (delta: 450.9MB). Free memory was 81.2MB in the beginning and 438.6MB in the end (delta: -357.5MB). Peak memory consumption was 187.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1515.92ms. Allocated memory is still 654.3MB. Free memory was 438.6MB in the beginning and 338.0MB in the end (delta: 100.7MB). Peak memory consumption was 227.5MB. Max. memory is 16.1GB. * RCFGBuilder took 72764.35ms. Allocated memory was 654.3MB in the beginning and 3.1GB in the end (delta: 2.5GB). Free memory was 338.0MB in the beginning and 2.4GB in the end (delta: -2.1GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. * TraceAbstraction took 36478.25ms. Allocated memory was 3.1GB in the beginning and 4.5GB in the end (delta: 1.4GB). Free memory was 2.4GB in the beginning and 2.9GB in the end (delta: -491.0MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * Witness Printer took 3.25ms. Allocated memory is still 4.5GB. Free memory was 2.9GB in the beginning and 2.9GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 12414, overapproximation of bitwiseAnd at line 11962. Possible FailurePath: [L7468] static bool ap_mode_default ; [L7469-L7483] static struct ieee80211_channel const mwl8k_channels_24[14U] = { {0, 2412U, 1U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2417U, 2U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2422U, 3U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2427U, 4U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2432U, 5U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2437U, 6U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2442U, 7U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2447U, 8U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2452U, 9U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2457U, 10U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2462U, 11U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2467U, 12U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2472U, 13U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2484U, 14U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}}; [L7484-L7497] static struct ieee80211_rate const mwl8k_rates_24[13U] = { {0U, 10U, 2U, (unsigned short)0}, {0U, 20U, 4U, (unsigned short)0}, {0U, 55U, 11U, (unsigned short)0}, {0U, 110U, 22U, (unsigned short)0}, {0U, 220U, 44U, (unsigned short)0}, {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}}; [L7498-L7501] static struct ieee80211_channel const mwl8k_channels_50[4U] = { {1, 5180U, 36U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {1, 5200U, 40U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {1, 5220U, 44U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {1, 5240U, 48U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}}; [L7502-L7510] static struct ieee80211_rate const mwl8k_rates_50[8U] = { {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}}; [L8149] static struct rxd_ops rxd_ap_ops = {32, & mwl8k_rxd_ap_init, & mwl8k_rxd_ap_refill, & mwl8k_rxd_ap_process}; [L8226] static struct rxd_ops rxd_sta_ops = {40, & mwl8k_rxd_sta_init, & mwl8k_rxd_sta_refill, & mwl8k_rxd_sta_process}; [L12378-L12384] static struct ieee80211_ops const mwl8k_ops = {& mwl8k_tx, & mwl8k_start, & mwl8k_stop, 0, 0, 0, & mwl8k_add_interface, 0, & mwl8k_remove_interface, & mwl8k_config, & mwl8k_bss_info_changed, 0, 0, & mwl8k_prepare_multicast, & mwl8k_configure_filter, 0, 0, & mwl8k_set_key, 0, 0, 0, 0, 0, 0, 0, 0, 0, & mwl8k_get_stats, 0, 0, & mwl8k_set_rts_threshold, & mwl8k_sta_add, & mwl8k_sta_remove, 0, 0, 0, 0, 0, & mwl8k_conf_tx, 0, 0, 0, 0, & mwl8k_ampdu_action, & mwl8k_get_survey, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L12414-L12421] static struct mwl8k_device_info mwl8k_info_tbl[4U] = { {(char *)"88w8363", (char *)"mwl8k/helper_8363.fw", (char *)"mwl8k/fmimage_8363.fw", 0, 0, 0U}, {(char *)"88w8687", (char *)"mwl8k/helper_8687.fw", (char *)"mwl8k/fmimage_8687.fw", 0, 0, 0U}, {(char *)"88w8366", (char *)"mwl8k/helper_8366.fw", (char *)"mwl8k/fmimage_8366.fw", (char *)"mwl8k/fmimage_8366_ap-3.fw", & rxd_ap_ops, 3U}, {(char *)"88w8764", 0, 0, (char *)"mwl8k/fmimage_8764_ap-1.fw", & rxd_ap_ops, 1U}}; [L12422] struct pci_device_id const __mod_pci_device_table ; [L12804-L12805] static struct ieee80211_iface_limit const ap_if_limits[2U] = { {8U, 8U}, {1U, 4U}}; [L12806-L12807] static struct ieee80211_iface_combination const ap_if_comb = {(struct ieee80211_iface_limit const *)(& ap_if_limits), 1U, 8U, 2U, (_Bool)0, (unsigned char)0}; [L13105] int LDV_IN_INTERRUPT ; [L13408] static int ldv_mutex_fw_mutex_of_mwl8k_priv ; [L13515] static int ldv_mutex_lock ; [L13622] static int ldv_mutex_mutex_of_device ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={177:0}, ap_if_limits={181:0}, ap_mode_default=0, LDV_IN_INTERRUPT=0, ldv_mutex_fw_mutex_of_mwl8k_priv=0, ldv_mutex_lock=0, ldv_mutex_mutex_of_device=0, mwl8k_channels_24={258:0}, mwl8k_channels_50={345:0}, mwl8k_info_tbl={170:0}, mwl8k_ops={271:0}, mwl8k_rates_24={348:0}, mwl8k_rates_50={247:0}, rxd_ap_ops={141:0}, rxd_sta_ops={255:0}] [L13108] void *var_mwl8k_rxd_ap_init_13_p0 ; [L13109] dma_addr_t var_mwl8k_rxd_ap_init_13_p1 ; [L13110] void *var_mwl8k_rxd_ap_refill_14_p0 ; [L13111] dma_addr_t var_mwl8k_rxd_ap_refill_14_p1 ; [L13112] int var_mwl8k_rxd_ap_refill_14_p2 ; [L13113] void *var_mwl8k_rxd_ap_process_15_p0 ; [L13114] struct ieee80211_rx_status *var_group1 ; [L13115] __le16 *var_mwl8k_rxd_ap_process_15_p2 ; [L13116] s8 *var_mwl8k_rxd_ap_process_15_p3 ; [L13117] void *var_mwl8k_rxd_sta_init_16_p0 ; [L13118] dma_addr_t var_mwl8k_rxd_sta_init_16_p1 ; [L13119] void *var_mwl8k_rxd_sta_refill_17_p0 ; [L13120] dma_addr_t var_mwl8k_rxd_sta_refill_17_p1 ; [L13121] int var_mwl8k_rxd_sta_refill_17_p2 ; [L13122] void *var_mwl8k_rxd_sta_process_18_p0 ; [L13123] __le16 *var_mwl8k_rxd_sta_process_18_p2 ; [L13124] s8 *var_mwl8k_rxd_sta_process_18_p3 ; [L13125] struct ieee80211_hw *var_group2 ; [L13126] struct ieee80211_tx_control *var_group3 ; [L13127] struct sk_buff *var_mwl8k_tx_100_p2 ; [L13128] struct ieee80211_vif *var_group4 ; [L13129] u32 var_mwl8k_config_107_p1 ; [L13130] struct ieee80211_bss_conf *var_mwl8k_bss_info_changed_110_p2 ; [L13131] u32 var_mwl8k_bss_info_changed_110_p3 ; [L13132] struct netdev_hw_addr_list *var_group5 ; [L13133] unsigned int var_mwl8k_configure_filter_114_p1 ; [L13134] unsigned int *var_mwl8k_configure_filter_114_p2 ; [L13135] u64 var_mwl8k_configure_filter_114_p3 ; [L13136] enum set_key_cmd var_mwl8k_set_key_94_p1 ; [L13137] struct ieee80211_vif *var_mwl8k_set_key_94_p2 ; [L13138] struct ieee80211_sta *var_mwl8k_set_key_94_p3 ; [L13139] struct ieee80211_key_conf *var_mwl8k_set_key_94_p4 ; [L13140] u32 var_mwl8k_set_rts_threshold_115_p1 ; [L13141] struct ieee80211_sta *var_mwl8k_sta_add_117_p2 ; [L13142] struct ieee80211_sta *var_mwl8k_sta_remove_116_p2 ; [L13143] u16 var_mwl8k_conf_tx_118_p2 ; [L13144] struct ieee80211_tx_queue_params const *var_mwl8k_conf_tx_118_p3 ; [L13145] struct ieee80211_low_level_stats *var_group6 ; [L13146] int var_mwl8k_get_survey_120_p1 ; [L13147] struct survey_info *var_mwl8k_get_survey_120_p2 ; [L13148] enum ieee80211_ampdu_mlme_action var_mwl8k_ampdu_action_121_p2 ; [L13149] struct ieee80211_sta *var_mwl8k_ampdu_action_121_p3 ; [L13150] u16 var_mwl8k_ampdu_action_121_p4 ; [L13151] u16 *var_mwl8k_ampdu_action_121_p5 ; [L13152] u8 var_mwl8k_ampdu_action_121_p6 ; [L13153] struct pci_dev *var_group7 ; [L13154] struct pci_device_id const *var_mwl8k_probe_130_p1 ; [L13155] int res_mwl8k_probe_130 ; [L13156] int var_mwl8k_interrupt_97_p0 ; [L13157] void *var_mwl8k_interrupt_97_p1 ; [L13158] int ldv_s_mwl8k_driver_pci_driver ; [L13159] int tmp ; [L13160] int tmp___0 ; [L13162] ldv_s_mwl8k_driver_pci_driver = 0 [L13163] LDV_IN_INTERRUPT = 1 [L13732] ldv_mutex_fw_mutex_of_mwl8k_priv = 1 [L13733] ldv_mutex_lock = 1 [L13734] ldv_mutex_mutex_of_device = 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={177:0}, ap_if_limits={181:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={258:0}, mwl8k_channels_50={345:0}, mwl8k_info_tbl={170:0}, mwl8k_ops={271:0}, mwl8k_rates_24={348:0}, mwl8k_rates_50={247:0}, rxd_ap_ops={141:0}, rxd_sta_ops={255:0}] [L13302] tmp___0 = __VERIFIER_nondet_int() [L13303] COND TRUE tmp___0 != 0 || ldv_s_mwl8k_driver_pci_driver != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={177:0}, ap_if_limits={181:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={258:0}, mwl8k_channels_50={345:0}, mwl8k_info_tbl={170:0}, mwl8k_ops={271:0}, mwl8k_rates_24={348:0}, mwl8k_rates_50={247:0}, rxd_ap_ops={141:0}, rxd_sta_ops={255:0}] [L13167] tmp = __VERIFIER_nondet_int() [L13169] case 0: [L13173] case 1: [L13178] case 2: [L13183] case 3: [L13187] case 4: [L13192] case 5: [L13197] case 6: [L13201] case 7: [L13205] case 8: [L13209] case 9: [L13213] case 10: [L13217] case 11: [L13221] case 12: VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={177:0}, ap_if_limits={181:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={258:0}, mwl8k_channels_50={345:0}, mwl8k_info_tbl={170:0}, mwl8k_ops={271:0}, mwl8k_rates_24={348:0}, mwl8k_rates_50={247:0}, rxd_ap_ops={141:0}, rxd_sta_ops={255:0}] [L11975] EXPR vif->type VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={177:0}, ap_if_limits={181:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={258:0}, mwl8k_channels_50={345:0}, mwl8k_info_tbl={170:0}, mwl8k_ops={271:0}, mwl8k_rates_24={348:0}, mwl8k_rates_50={247:0}, rxd_ap_ops={141:0}, rxd_sta_ops={255:0}] [L11975] COND FALSE !((unsigned int )vif->type == 2U) [L11979] EXPR vif->type VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={177:0}, ap_if_limits={181:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={258:0}, mwl8k_channels_50={345:0}, mwl8k_info_tbl={170:0}, mwl8k_ops={271:0}, mwl8k_rates_24={348:0}, mwl8k_rates_50={247:0}, rxd_ap_ops={141:0}, rxd_sta_ops={255:0}] [L11979] COND TRUE (unsigned int )vif->type == 3U [L11920] int rc ; [L11921] int tmp ; [L11922] int idx ; [L11923] int rate ; [L11924] struct sk_buff *skb ; [L9337] struct mwl8k_priv *priv ; [L9338] int rc ; [L9339] struct task_struct *tmp ; [L9341] EXPR hw->priv [L9341] priv = (struct mwl8k_priv *)hw->priv [L6467] struct task_struct *pfo_ret__ ; [L6470] case 1UL: [L6473] case 2UL: [L6476] case 4UL: [L6479] case 8UL: VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={177:0}, ap_if_limits={181:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={258:0}, mwl8k_channels_50={345:0}, mwl8k_info_tbl={170:0}, mwl8k_ops={271:0}, mwl8k_rates_24={348:0}, mwl8k_rates_50={247:0}, rxd_ap_ops={141:0}, rxd_sta_ops={255:0}] [L6486] return (pfo_ret__); VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={177:0}, ap_if_limits={181:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={258:0}, mwl8k_channels_50={345:0}, mwl8k_info_tbl={170:0}, mwl8k_ops={271:0}, mwl8k_rates_24={348:0}, mwl8k_rates_50={247:0}, rxd_ap_ops={141:0}, rxd_sta_ops={255:0}] [L9342] tmp = get_current() [L9343] EXPR priv->fw_mutex_owner VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={177:0}, ap_if_limits={181:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={258:0}, mwl8k_channels_50={345:0}, mwl8k_info_tbl={170:0}, mwl8k_ops={271:0}, mwl8k_rates_24={348:0}, mwl8k_rates_50={247:0}, rxd_ap_ops={141:0}, rxd_sta_ops={255:0}] [L9343] COND FALSE !((unsigned long )priv->fw_mutex_owner != (unsigned long )tmp) [L9359] EXPR priv->fw_mutex_depth [L9359] priv->fw_mutex_depth = priv->fw_mutex_depth + 1 [L9360] return (0); VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={177:0}, ap_if_limits={181:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={258:0}, mwl8k_channels_50={345:0}, mwl8k_info_tbl={170:0}, mwl8k_ops={271:0}, mwl8k_rates_24={348:0}, mwl8k_rates_50={247:0}, rxd_ap_ops={141:0}, rxd_sta_ops={255:0}] [L11926] tmp = mwl8k_fw_lock(hw) [L11927] COND FALSE !(tmp != 0) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={177:0}, ap_if_limits={181:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={258:0}, mwl8k_channels_50={345:0}, mwl8k_info_tbl={170:0}, mwl8k_ops={271:0}, mwl8k_rates_24={348:0}, mwl8k_rates_50={247:0}, rxd_ap_ops={141:0}, rxd_sta_ops={255:0}] [L11931] COND FALSE !((changed & 4U) != 0U) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={177:0}, ap_if_limits={181:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={258:0}, mwl8k_channels_50={345:0}, mwl8k_info_tbl={170:0}, mwl8k_ops={271:0}, mwl8k_rates_24={348:0}, mwl8k_rates_50={247:0}, rxd_ap_ops={141:0}, rxd_sta_ops={255:0}] [L11939] COND FALSE !((changed & 32U) != 0U) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={177:0}, ap_if_limits={181:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={258:0}, mwl8k_channels_50={345:0}, mwl8k_info_tbl={170:0}, mwl8k_ops={271:0}, mwl8k_rates_24={348:0}, mwl8k_rates_50={247:0}, rxd_ap_ops={141:0}, rxd_sta_ops={255:0}] [L11953] COND FALSE !((changed & 320U) != 0U) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={177:0}, ap_if_limits={181:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={258:0}, mwl8k_channels_50={345:0}, mwl8k_info_tbl={170:0}, mwl8k_ops={271:0}, mwl8k_rates_24={348:0}, mwl8k_rates_50={247:0}, rxd_ap_ops={141:0}, rxd_sta_ops={255:0}] [L11962] COND FALSE !((changed & 512U) != 0U) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={177:0}, ap_if_limits={181:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={258:0}, mwl8k_channels_50={345:0}, mwl8k_info_tbl={170:0}, mwl8k_ops={271:0}, mwl8k_rates_24={348:0}, mwl8k_rates_50={247:0}, rxd_ap_ops={141:0}, rxd_sta_ops={255:0}] [L9365] struct mwl8k_priv *priv ; [L9367] EXPR hw->priv [L9367] priv = (struct mwl8k_priv *)hw->priv [L9368] EXPR priv->fw_mutex_depth [L9368] priv->fw_mutex_depth = priv->fw_mutex_depth - 1 [L9369] EXPR priv->fw_mutex_depth VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={177:0}, ap_if_limits={181:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={258:0}, mwl8k_channels_50={345:0}, mwl8k_info_tbl={170:0}, mwl8k_ops={271:0}, mwl8k_rates_24={348:0}, mwl8k_rates_50={247:0}, rxd_ap_ops={141:0}, rxd_sta_ops={255:0}] [L9369] COND TRUE priv->fw_mutex_depth == 0 [L9370] EXPR priv->hw_restart_in_progress VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={177:0}, ap_if_limits={181:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={258:0}, mwl8k_channels_50={345:0}, mwl8k_info_tbl={170:0}, mwl8k_ops={271:0}, mwl8k_rates_24={348:0}, mwl8k_rates_50={247:0}, rxd_ap_ops={141:0}, rxd_sta_ops={255:0}] [L9370] COND TRUE ! priv->hw_restart_in_progress [L9374] priv->fw_mutex_owner = 0 [L13507] COND FALSE !(ldv_mutex_fw_mutex_of_mwl8k_priv == 2) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={177:0}, ap_if_limits={181:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={258:0}, mwl8k_channels_50={345:0}, mwl8k_info_tbl={170:0}, mwl8k_ops={271:0}, mwl8k_rates_24={348:0}, mwl8k_rates_50={247:0}, rxd_ap_ops={141:0}, rxd_sta_ops={255:0}] [L13398] reach_error() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={177:0}, ap_if_limits={181:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={258:0}, mwl8k_channels_50={345:0}, mwl8k_info_tbl={170:0}, mwl8k_ops={271:0}, mwl8k_rates_24={348:0}, mwl8k_rates_50={247:0}, rxd_ap_ops={141:0}, rxd_sta_ops={255:0}] - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 8322 locations, 42 error locations. Started 1 CEGAR loops. OverallTime: 36145.26ms, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 47.94ms, AutomataDifference: 22596.12ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 67.41ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 189085 SdHoareTripleChecker+Valid, 10415.44ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 188459 mSDsluCounter, 407010 SdHoareTripleChecker+Invalid, 9533.74ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 254991 mSDsCounter, 2060 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1357 IncrementalHoareTripleChecker+Invalid, 3420 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2060 mSolverCounterUnsat, 152019 mSDtfsCounter, 1357 mSolverCounterSat, 435.15ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 82.20ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=15492occurred in iteration=7, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 6548.16ms AutomataMinimizationTime, 7 MinimizatonAttempts, 231476 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 89.48ms SsaConstructionTime, 3265.52ms SatisfiabilityAnalysisTime, 777.34ms InterpolantComputationTime, 219 NumberOfCodeBlocks, 219 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 211 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-07 12:34:22,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 12:34:24,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 12:34:24,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 12:34:24,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 12:34:24,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 12:34:24,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 12:34:24,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 12:34:24,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 12:34:24,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 12:34:24,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 12:34:24,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 12:34:24,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 12:34:24,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 12:34:24,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 12:34:24,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 12:34:24,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 12:34:24,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 12:34:24,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 12:34:24,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 12:34:24,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 12:34:24,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 12:34:24,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 12:34:24,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 12:34:24,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 12:34:24,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 12:34:24,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 12:34:24,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 12:34:24,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 12:34:24,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 12:34:24,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 12:34:24,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 12:34:24,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 12:34:24,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 12:34:24,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 12:34:24,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 12:34:24,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 12:34:24,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 12:34:24,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 12:34:24,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 12:34:24,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 12:34:24,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 12:34:24,753 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-07 12:34:24,781 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 12:34:24,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 12:34:24,783 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 12:34:24,783 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 12:34:24,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 12:34:24,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 12:34:24,785 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 12:34:24,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 12:34:24,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 12:34:24,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 12:34:24,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 12:34:24,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 12:34:24,786 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 12:34:24,786 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 12:34:24,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 12:34:24,787 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 12:34:24,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 12:34:24,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 12:34:24,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 12:34:24,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 12:34:24,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 12:34:24,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 12:34:24,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 12:34:24,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 12:34:24,788 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-07 12:34:24,788 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 12:34:24,788 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 12:34:24,788 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 12:34:24,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 12:34:24,789 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 12:34:24,789 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 12:34:24,789 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 [2021-11-07 12:34:25,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 12:34:25,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 12:34:25,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 12:34:25,098 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 12:34:25,098 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 12:34:25,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2021-11-07 12:34:25,162 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2168edb7/7bea2561c37c4cf5be9d25690f594da5/FLAG3cee5fe0b [2021-11-07 12:34:25,942 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 12:34:25,943 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2021-11-07 12:34:25,990 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2168edb7/7bea2561c37c4cf5be9d25690f594da5/FLAG3cee5fe0b [2021-11-07 12:34:26,179 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2168edb7/7bea2561c37c4cf5be9d25690f594da5 [2021-11-07 12:34:26,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 12:34:26,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 12:34:26,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 12:34:26,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 12:34:26,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 12:34:26,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:34:26" (1/1) ... [2021-11-07 12:34:26,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a022649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:26, skipping insertion in model container [2021-11-07 12:34:26,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:34:26" (1/1) ... [2021-11-07 12:34:26,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 12:34:26,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 12:34:29,085 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-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2021-11-07 12:34:29,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 12:34:29,217 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 12:34:29,663 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-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2021-11-07 12:34:29,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 12:34:29,865 INFO L208 MainTranslator]: Completed translation [2021-11-07 12:34:29,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:29 WrapperNode [2021-11-07 12:34:29,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 12:34:29,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 12:34:29,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 12:34:29,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 12:34:29,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:29" (1/1) ... [2021-11-07 12:34:29,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:29" (1/1) ... [2021-11-07 12:34:30,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 12:34:30,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 12:34:30,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 12:34:30,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 12:34:31,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:29" (1/1) ... [2021-11-07 12:34:31,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:29" (1/1) ... [2021-11-07 12:34:31,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:29" (1/1) ... [2021-11-07 12:34:31,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:29" (1/1) ... [2021-11-07 12:34:32,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:29" (1/1) ... [2021-11-07 12:34:32,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:29" (1/1) ... [2021-11-07 12:34:32,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:29" (1/1) ... [2021-11-07 12:34:32,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 12:34:32,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 12:34:32,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 12:34:32,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 12:34:32,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:29" (1/1) ... [2021-11-07 12:34:32,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 12:34:32,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 12:34:32,633 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 12:34:32,670 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 12:34:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 12:34:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 12:34:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-07 12:34:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 12:34:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 12:34:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 12:34:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 12:34:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 12:34:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-07 12:34:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-07 12:34:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-07 12:34:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-07 12:34:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2021-11-07 12:34:32,686 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2021-11-07 12:34:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-07 12:34:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 12:34:32,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 12:34:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 12:34:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 12:34:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2021-11-07 12:34:32,687 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2021-11-07 12:34:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 12:34:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 12:34:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-07 12:34:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 12:34:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2021-11-07 12:34:32,688 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2021-11-07 12:34:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 12:34:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 12:34:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 12:34:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 12:34:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-07 12:34:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 12:34:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 12:34:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 12:34:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-07 12:34:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-07 12:34:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-07 12:34:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2021-11-07 12:34:32,690 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2021-11-07 12:43:28,679 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 12:43:28,679 INFO L299 CfgBuilder]: Removed 7922 assume(true) statements. [2021-11-07 12:43:28,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:43:28 BoogieIcfgContainer [2021-11-07 12:43:28,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 12:43:28,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 12:43:28,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 12:43:28,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 12:43:28,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:34:26" (1/3) ... [2021-11-07 12:43:28,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee24de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:43:28, skipping insertion in model container [2021-11-07 12:43:28,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:29" (2/3) ... [2021-11-07 12:43:28,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee24de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:43:28, skipping insertion in model container [2021-11-07 12:43:28,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:43:28" (3/3) ... [2021-11-07 12:43:28,692 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2021-11-07 12:43:28,696 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 12:43:28,696 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2021-11-07 12:43:28,752 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 12:43:28,758 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 12:43:28,759 INFO L340 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2021-11-07 12:43:28,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 8322 states, 8174 states have (on average 1.4219476388549057) internal successors, (11623), 8218 states have internal predecessors, (11623), 101 states have call successors, (101), 4 states have call predecessors, (101), 4 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2021-11-07 12:43:28,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-07 12:43:28,848 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:43:28,849 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-07 12:43:28,850 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 39 more)] === [2021-11-07 12:43:28,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:43:28,854 INFO L85 PathProgramCache]: Analyzing trace with hash 2017409674, now seen corresponding path program 1 times [2021-11-07 12:43:28,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 12:43:28,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1840656328] [2021-11-07 12:43:28,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:43:28,870 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 12:43:28,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-07 12:43:28,889 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 12:43:28,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 12:43:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:43:33,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 12:43:33,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 12:43:33,490 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 12:43:33,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 12:43:33,639 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 12:43:33,639 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 12:43:33,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1840656328] [2021-11-07 12:43:33,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1840656328] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 12:43:33,640 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:43:33,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 12:43:33,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601569983] [2021-11-07 12:43:33,642 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-07 12:43:33,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 12:43:33,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 12:43:33,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 12:43:33,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:43:33,677 INFO L87 Difference]: Start difference. First operand has 8322 states, 8174 states have (on average 1.4219476388549057) internal successors, (11623), 8218 states have internal predecessors, (11623), 101 states have call successors, (101), 4 states have call predecessors, (101), 4 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 12:43:35,938 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:43:38,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:43:38,789 INFO L93 Difference]: Finished difference Result 24013 states and 34573 transitions. [2021-11-07 12:43:38,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 12:43:38,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2021-11-07 12:43:38,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:43:38,870 INFO L225 Difference]: With dead ends: 24013 [2021-11-07 12:43:38,870 INFO L226 Difference]: Without dead ends: 15471 [2021-11-07 12:43:38,938 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 91.30ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:43:38,941 INFO L933 BasicCegarLoop]: 11820 mSDtfsCounter, 10483 mSDsluCounter, 11565 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 68 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4464.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10483 SdHoareTripleChecker+Valid, 23385 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 39.96ms SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4613.96ms IncrementalHoareTripleChecker+Time [2021-11-07 12:43:38,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10483 Valid, 23385 Invalid, 177 Unknown, 0 Unchecked, 39.96ms Time], IncrementalHoareTripleChecker [68 Valid, 108 Invalid, 1 Unknown, 0 Unchecked, 4613.96ms Time] [2021-11-07 12:43:38,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15471 states. [2021-11-07 12:43:39,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15471 to 15445. [2021-11-07 12:43:39,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15445 states, 15193 states have (on average 1.3897189495162245) internal successors, (21114), 15238 states have internal predecessors, (21114), 202 states have call successors, (202), 8 states have call predecessors, (202), 8 states have return successors, (404), 202 states have call predecessors, (404), 202 states have call successors, (404) [2021-11-07 12:43:39,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15445 states to 15445 states and 21720 transitions. [2021-11-07 12:43:39,487 INFO L78 Accepts]: Start accepts. Automaton has 15445 states and 21720 transitions. Word has length 6 [2021-11-07 12:43:39,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:43:39,488 INFO L470 AbstractCegarLoop]: Abstraction has 15445 states and 21720 transitions. [2021-11-07 12:43:39,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 12:43:39,489 INFO L276 IsEmpty]: Start isEmpty. Operand 15445 states and 21720 transitions. [2021-11-07 12:43:39,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-07 12:43:39,489 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:43:39,489 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-07 12:43:39,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 12:43:39,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-07 12:43:39,706 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 39 more)] === [2021-11-07 12:43:39,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:43:39,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1884783199, now seen corresponding path program 1 times [2021-11-07 12:43:39,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 12:43:39,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [227675665] [2021-11-07 12:43:39,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:43:39,711 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 12:43:39,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-07 12:43:39,713 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 12:43:39,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 12:43:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:43:43,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 1577 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 12:43:43,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 12:43:44,169 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 12:43:44,169 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 12:43:44,359 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 12:43:44,359 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 12:43:44,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [227675665] [2021-11-07 12:43:44,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [227675665] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 12:43:44,360 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:43:44,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 12:43:44,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418152317] [2021-11-07 12:43:44,360 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-07 12:43:44,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 12:43:44,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 12:43:44,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 12:43:44,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:43:44,362 INFO L87 Difference]: Start difference. First operand 15445 states and 21720 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 12:43:46,616 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:43:47,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:43:47,010 INFO L93 Difference]: Finished difference Result 15445 states and 21720 transitions. [2021-11-07 12:43:47,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 12:43:47,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2021-11-07 12:43:47,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:43:47,073 INFO L225 Difference]: With dead ends: 15445 [2021-11-07 12:43:47,073 INFO L226 Difference]: Without dead ends: 15443 [2021-11-07 12:43:47,081 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 73.82ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:43:47,083 INFO L933 BasicCegarLoop]: 11412 mSDtfsCounter, 11408 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2266.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11408 SdHoareTripleChecker+Valid, 11412 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.41ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2346.68ms IncrementalHoareTripleChecker+Time [2021-11-07 12:43:47,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11408 Valid, 11412 Invalid, 2 Unknown, 0 Unchecked, 14.41ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2346.68ms Time] [2021-11-07 12:43:47,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15443 states. [2021-11-07 12:43:47,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15443 to 15443. [2021-11-07 12:43:47,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15443 states, 15192 states have (on average 1.3896787783043707) internal successors, (21112), 15236 states have internal predecessors, (21112), 202 states have call successors, (202), 8 states have call predecessors, (202), 8 states have return successors, (404), 202 states have call predecessors, (404), 202 states have call successors, (404) [2021-11-07 12:43:47,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15443 states to 15443 states and 21718 transitions. [2021-11-07 12:43:47,731 INFO L78 Accepts]: Start accepts. Automaton has 15443 states and 21718 transitions. Word has length 7 [2021-11-07 12:43:47,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:43:47,731 INFO L470 AbstractCegarLoop]: Abstraction has 15443 states and 21718 transitions. [2021-11-07 12:43:47,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 12:43:47,732 INFO L276 IsEmpty]: Start isEmpty. Operand 15443 states and 21718 transitions. [2021-11-07 12:43:47,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-07 12:43:47,732 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:43:47,732 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 12:43:47,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 12:43:47,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-07 12:43:47,960 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 39 more)] === [2021-11-07 12:43:47,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:43:47,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1701289332, now seen corresponding path program 1 times [2021-11-07 12:43:47,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 12:43:47,964 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2014409479] [2021-11-07 12:43:47,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:43:47,964 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 12:43:47,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-07 12:43:47,967 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 12:43:47,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 12:43:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:43:52,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 12:43:52,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 12:43:52,436 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 12:43:52,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 12:43:52,662 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 12:43:52,662 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 12:43:52,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2014409479] [2021-11-07 12:43:52,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2014409479] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 12:43:52,663 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:43:52,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 12:43:52,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726113850] [2021-11-07 12:43:52,663 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-07 12:43:52,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 12:43:52,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 12:43:52,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 12:43:52,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:43:52,664 INFO L87 Difference]: Start difference. First operand 15443 states and 21718 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 12:43:54,920 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:43:55,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:43:55,230 INFO L93 Difference]: Finished difference Result 15443 states and 21718 transitions. [2021-11-07 12:43:55,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 12:43:55,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2021-11-07 12:43:55,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:43:55,359 INFO L225 Difference]: With dead ends: 15443 [2021-11-07 12:43:55,360 INFO L226 Difference]: Without dead ends: 15438 [2021-11-07 12:43:55,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 77.83ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:43:55,372 INFO L933 BasicCegarLoop]: 11411 mSDtfsCounter, 11405 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2249.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11405 SdHoareTripleChecker+Valid, 11411 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.57ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2251.94ms IncrementalHoareTripleChecker+Time [2021-11-07 12:43:55,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11405 Valid, 11411 Invalid, 1 Unknown, 0 Unchecked, 12.57ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 2251.94ms Time] [2021-11-07 12:43:55,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15438 states. [2021-11-07 12:43:55,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15438 to 15438. [2021-11-07 12:43:55,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15438 states, 15188 states have (on average 1.389583882012115) internal successors, (21105), 15231 states have internal predecessors, (21105), 202 states have call successors, (202), 8 states have call predecessors, (202), 8 states have return successors, (404), 202 states have call predecessors, (404), 202 states have call successors, (404) [2021-11-07 12:43:55,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15438 states to 15438 states and 21711 transitions. [2021-11-07 12:43:55,781 INFO L78 Accepts]: Start accepts. Automaton has 15438 states and 21711 transitions. Word has length 8 [2021-11-07 12:43:55,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:43:55,781 INFO L470 AbstractCegarLoop]: Abstraction has 15438 states and 21711 transitions. [2021-11-07 12:43:55,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 12:43:55,781 INFO L276 IsEmpty]: Start isEmpty. Operand 15438 states and 21711 transitions. [2021-11-07 12:43:55,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 12:43:55,789 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:43:55,789 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] [2021-11-07 12:43:55,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 12:43:56,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-07 12:43:56,004 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 39 more)] === [2021-11-07 12:43:56,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:43:56,004 INFO L85 PathProgramCache]: Analyzing trace with hash 825537041, now seen corresponding path program 1 times [2021-11-07 12:43:56,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 12:43:56,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1657018663] [2021-11-07 12:43:56,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:43:56,008 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 12:43:56,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-07 12:43:56,009 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 12:43:56,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 12:43:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:44:00,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 1683 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 12:44:00,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 12:44:00,700 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 12:44:00,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 12:44:01,165 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 12:44:01,166 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 12:44:01,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1657018663] [2021-11-07 12:44:01,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1657018663] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 12:44:01,166 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:44:01,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 12:44:01,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096450918] [2021-11-07 12:44:01,166 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-07 12:44:01,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 12:44:01,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 12:44:01,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 12:44:01,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:44:01,168 INFO L87 Difference]: Start difference. First operand 15438 states and 21711 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 12:44:08,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:44:08,610 INFO L93 Difference]: Finished difference Result 30922 states and 43468 transitions. [2021-11-07 12:44:08,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 12:44:08,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 36 [2021-11-07 12:44:08,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:44:08,656 INFO L225 Difference]: With dead ends: 30922 [2021-11-07 12:44:08,656 INFO L226 Difference]: Without dead ends: 15486 [2021-11-07 12:44:08,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 79.51ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:44:08,716 INFO L933 BasicCegarLoop]: 11224 mSDtfsCounter, 0 mSDsluCounter, 10977 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6729.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22201 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.07ms SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6838.53ms IncrementalHoareTripleChecker+Time [2021-11-07 12:44:08,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 22201 Invalid, 569 Unknown, 0 Unchecked, 21.07ms Time], IncrementalHoareTripleChecker [250 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 6838.53ms Time] [2021-11-07 12:44:08,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15486 states. [2021-11-07 12:44:09,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15486 to 15438. [2021-11-07 12:44:09,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15438 states, 15188 states have (on average 1.3801027126678957) internal successors, (20961), 15231 states have internal predecessors, (20961), 202 states have call successors, (202), 8 states have call predecessors, (202), 8 states have return successors, (404), 202 states have call predecessors, (404), 202 states have call successors, (404) [2021-11-07 12:44:09,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15438 states to 15438 states and 21567 transitions. [2021-11-07 12:44:09,123 INFO L78 Accepts]: Start accepts. Automaton has 15438 states and 21567 transitions. Word has length 36 [2021-11-07 12:44:09,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:44:09,124 INFO L470 AbstractCegarLoop]: Abstraction has 15438 states and 21567 transitions. [2021-11-07 12:44:09,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 12:44:09,125 INFO L276 IsEmpty]: Start isEmpty. Operand 15438 states and 21567 transitions. [2021-11-07 12:44:09,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-07 12:44:09,128 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:44:09,128 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] [2021-11-07 12:44:09,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 12:44:09,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-07 12:44:09,351 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 39 more)] === [2021-11-07 12:44:09,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:44:09,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1750950292, now seen corresponding path program 1 times [2021-11-07 12:44:09,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 12:44:09,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1546069323] [2021-11-07 12:44:09,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:44:09,356 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 12:44:09,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-07 12:44:09,358 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 12:44:09,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 12:44:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:44:13,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 1689 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 12:44:13,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 12:44:14,222 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 12:44:14,223 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 12:44:14,502 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 12:44:14,503 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 12:44:14,503 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1546069323] [2021-11-07 12:44:14,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1546069323] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 12:44:14,503 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:44:14,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 12:44:14,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156274647] [2021-11-07 12:44:14,503 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-07 12:44:14,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 12:44:14,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 12:44:14,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 12:44:14,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 12:44:14,504 INFO L87 Difference]: Start difference. First operand 15438 states and 21567 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 12:44:26,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:44:26,737 INFO L93 Difference]: Finished difference Result 125800 states and 174587 transitions. [2021-11-07 12:44:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 12:44:26,738 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 39 [2021-11-07 12:44:26,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:44:27,313 INFO L225 Difference]: With dead ends: 125800 [2021-11-07 12:44:27,314 INFO L226 Difference]: Without dead ends: 110364 [2021-11-07 12:44:27,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1054.62ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 12:44:27,411 INFO L933 BasicCegarLoop]: 39161 mSDtfsCounter, 62012 mSDsluCounter, 98292 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 722 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8368.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 62221 SdHoareTripleChecker+Valid, 137453 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 141.37ms SdHoareTripleChecker+Time, 722 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8748.67ms IncrementalHoareTripleChecker+Time [2021-11-07 12:44:27,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62221 Valid, 137453 Invalid, 1094 Unknown, 0 Unchecked, 141.37ms Time], IncrementalHoareTripleChecker [722 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 8748.67ms Time] [2021-11-07 12:44:27,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110364 states. [2021-11-07 12:44:28,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110364 to 15456. [2021-11-07 12:44:28,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15456 states, 15206 states have (on average 1.3796527686439564) internal successors, (20979), 15249 states have internal predecessors, (20979), 202 states have call successors, (202), 8 states have call predecessors, (202), 8 states have return successors, (404), 202 states have call predecessors, (404), 202 states have call successors, (404) [2021-11-07 12:44:28,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15456 states to 15456 states and 21585 transitions. [2021-11-07 12:44:28,855 INFO L78 Accepts]: Start accepts. Automaton has 15456 states and 21585 transitions. Word has length 39 [2021-11-07 12:44:28,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:44:28,856 INFO L470 AbstractCegarLoop]: Abstraction has 15456 states and 21585 transitions. [2021-11-07 12:44:28,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 12:44:28,856 INFO L276 IsEmpty]: Start isEmpty. Operand 15456 states and 21585 transitions. [2021-11-07 12:44:28,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-07 12:44:28,862 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:44:28,862 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] [2021-11-07 12:44:28,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 12:44:29,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-07 12:44:29,087 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 39 more)] === [2021-11-07 12:44:29,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:44:29,088 INFO L85 PathProgramCache]: Analyzing trace with hash 504688916, now seen corresponding path program 1 times [2021-11-07 12:44:29,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 12:44:29,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1979581918] [2021-11-07 12:44:29,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:44:29,092 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 12:44:29,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-07 12:44:29,093 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 12:44:29,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 12:44:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:44:33,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 1689 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 12:44:33,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 12:44:33,984 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 12:44:33,985 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 12:44:34,265 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 12:44:34,265 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 12:44:34,265 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1979581918] [2021-11-07 12:44:34,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1979581918] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 12:44:34,266 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:44:34,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 12:44:34,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231480420] [2021-11-07 12:44:34,266 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-07 12:44:34,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 12:44:34,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 12:44:34,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 12:44:34,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 12:44:34,267 INFO L87 Difference]: Start difference. First operand 15456 states and 21585 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 12:44:48,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:44:48,176 INFO L93 Difference]: Finished difference Result 126474 states and 175425 transitions. [2021-11-07 12:44:48,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 12:44:48,176 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 39 [2021-11-07 12:44:48,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:44:48,641 INFO L225 Difference]: With dead ends: 126474 [2021-11-07 12:44:48,642 INFO L226 Difference]: Without dead ends: 111020 [2021-11-07 12:44:48,733 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1043.32ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 12:44:48,735 INFO L933 BasicCegarLoop]: 45296 mSDtfsCounter, 56444 mSDsluCounter, 94503 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 747 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8757.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 56669 SdHoareTripleChecker+Valid, 139799 SdHoareTripleChecker+Invalid, 1148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 126.23ms SdHoareTripleChecker+Time, 747 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9104.16ms IncrementalHoareTripleChecker+Time [2021-11-07 12:44:48,735 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56669 Valid, 139799 Invalid, 1148 Unknown, 0 Unchecked, 126.23ms Time], IncrementalHoareTripleChecker [747 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 9104.16ms Time] [2021-11-07 12:44:48,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111020 states. [2021-11-07 12:44:50,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111020 to 15468. [2021-11-07 12:44:50,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15468 states, 15218 states have (on average 1.3793533972926797) internal successors, (20991), 15261 states have internal predecessors, (20991), 202 states have call successors, (202), 8 states have call predecessors, (202), 8 states have return successors, (404), 202 states have call predecessors, (404), 202 states have call successors, (404) [2021-11-07 12:44:50,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15468 states to 15468 states and 21597 transitions. [2021-11-07 12:44:50,062 INFO L78 Accepts]: Start accepts. Automaton has 15468 states and 21597 transitions. Word has length 39 [2021-11-07 12:44:50,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:44:50,063 INFO L470 AbstractCegarLoop]: Abstraction has 15468 states and 21597 transitions. [2021-11-07 12:44:50,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 12:44:50,063 INFO L276 IsEmpty]: Start isEmpty. Operand 15468 states and 21597 transitions. [2021-11-07 12:44:50,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-07 12:44:50,066 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:44:50,066 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] [2021-11-07 12:44:50,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 12:44:50,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-07 12:44:50,291 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 39 more)] === [2021-11-07 12:44:50,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:44:50,292 INFO L85 PathProgramCache]: Analyzing trace with hash -31052317, now seen corresponding path program 1 times [2021-11-07 12:44:50,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 12:44:50,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1117135500] [2021-11-07 12:44:50,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:44:50,298 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 12:44:50,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-07 12:44:50,300 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 12:44:50,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 12:44:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:44:54,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 1801 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 12:44:54,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 12:44:55,364 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 12:44:55,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 12:44:55,547 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 12:44:55,547 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 12:44:55,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1117135500] [2021-11-07 12:44:55,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1117135500] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 12:44:55,547 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:44:55,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 12:44:55,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373617685] [2021-11-07 12:44:55,547 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-07 12:44:55,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 12:44:55,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 12:44:55,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 12:44:55,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 12:44:55,548 INFO L87 Difference]: Start difference. First operand 15468 states and 21597 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 12:45:02,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:45:02,135 INFO L93 Difference]: Finished difference Result 71900 states and 100201 transitions. [2021-11-07 12:45:02,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 12:45:02,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 42 [2021-11-07 12:45:02,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:45:02,452 INFO L225 Difference]: With dead ends: 71900 [2021-11-07 12:45:02,453 INFO L226 Difference]: Without dead ends: 56434 [2021-11-07 12:45:02,505 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 326.30ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 12:45:02,506 INFO L933 BasicCegarLoop]: 21444 mSDtfsCounter, 36887 mSDsluCounter, 40625 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3351.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 37079 SdHoareTripleChecker+Valid, 62069 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 62.21ms SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3581.58ms IncrementalHoareTripleChecker+Time [2021-11-07 12:45:02,506 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37079 Valid, 62069 Invalid, 417 Unknown, 0 Unchecked, 62.21ms Time], IncrementalHoareTripleChecker [273 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 3581.58ms Time] [2021-11-07 12:45:02,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56434 states. [2021-11-07 12:45:03,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56434 to 15492. [2021-11-07 12:45:03,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15492 states, 15242 states have (on average 1.378756068757381) internal successors, (21015), 15285 states have internal predecessors, (21015), 202 states have call successors, (202), 8 states have call predecessors, (202), 8 states have return successors, (404), 202 states have call predecessors, (404), 202 states have call successors, (404) [2021-11-07 12:45:03,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15492 states to 15492 states and 21621 transitions. [2021-11-07 12:45:03,720 INFO L78 Accepts]: Start accepts. Automaton has 15492 states and 21621 transitions. Word has length 42 [2021-11-07 12:45:03,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:45:03,720 INFO L470 AbstractCegarLoop]: Abstraction has 15492 states and 21621 transitions. [2021-11-07 12:45:03,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 12:45:03,720 INFO L276 IsEmpty]: Start isEmpty. Operand 15492 states and 21621 transitions. [2021-11-07 12:45:03,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-07 12:45:03,724 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:45:03,724 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] [2021-11-07 12:45:03,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 12:45:03,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-07 12:45:03,951 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 39 more)] === [2021-11-07 12:45:03,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:45:03,952 INFO L85 PathProgramCache]: Analyzing trace with hash 514761064, now seen corresponding path program 1 times [2021-11-07 12:45:03,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 12:45:03,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1215601454] [2021-11-07 12:45:03,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:45:03,956 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 12:45:03,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-07 12:45:03,958 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 12:45:03,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process Killed by 15