./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec 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/ddv-machzwd/ddv_machzwd_inw.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash 933d865320c999b82fab622f75640d212923d9b1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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/ddv-machzwd/ddv_machzwd_inw.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash 933d865320c999b82fab622f75640d212923d9b1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 02:11:27,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 02:11:27,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 02:11:27,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 02:11:27,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 02:11:27,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 02:11:27,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 02:11:27,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 02:11:27,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 02:11:27,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 02:11:27,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 02:11:27,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 02:11:27,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 02:11:27,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 02:11:27,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 02:11:27,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 02:11:27,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 02:11:27,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 02:11:27,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 02:11:27,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 02:11:27,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 02:11:27,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 02:11:27,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 02:11:27,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 02:11:27,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 02:11:27,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 02:11:27,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 02:11:27,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 02:11:27,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 02:11:27,291 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 02:11:27,292 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 02:11:27,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 02:11:27,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 02:11:27,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 02:11:27,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 02:11:27,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 02:11:27,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 02:11:27,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 02:11:27,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 02:11:27,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 02:11:27,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 02:11:27,301 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 02:11:27,322 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 02:11:27,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 02:11:27,323 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 02:11:27,323 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 02:11:27,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 02:11:27,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 02:11:27,325 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 02:11:27,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 02:11:27,325 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 02:11:27,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 02:11:27,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 02:11:27,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 02:11:27,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 02:11:27,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 02:11:27,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 02:11:27,327 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 02:11:27,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 02:11:27,327 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 02:11:27,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 02:11:27,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 02:11:27,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 02:11:27,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 02:11:27,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 02:11:27,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 02:11:27,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 02:11:27,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 02:11:27,332 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 02:11:27,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 02:11:27,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 02:11:27,333 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 02:11:27,333 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 933d865320c999b82fab622f75640d212923d9b1 [2021-08-26 02:11:27,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 02:11:27,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 02:11:27,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 02:11:27,560 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 02:11:27,561 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 02:11:27,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2021-08-26 02:11:27,617 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddfb41dfc/cd5c21cd260d4cd99696c1b2ec43dc53/FLAGb878544fc [2021-08-26 02:11:28,060 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 02:11:28,061 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2021-08-26 02:11:28,088 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddfb41dfc/cd5c21cd260d4cd99696c1b2ec43dc53/FLAGb878544fc [2021-08-26 02:11:28,361 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddfb41dfc/cd5c21cd260d4cd99696c1b2ec43dc53 [2021-08-26 02:11:28,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 02:11:28,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 02:11:28,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 02:11:28,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 02:11:28,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 02:11:28,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:11:28" (1/1) ... [2021-08-26 02:11:28,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4250c1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:28, skipping insertion in model container [2021-08-26 02:11:28,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:11:28" (1/1) ... [2021-08-26 02:11:28,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 02:11:28,434 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 02:11:28,554 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/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2021-08-26 02:11:29,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 02:11:29,098 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 02:11:29,112 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/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2021-08-26 02:11:29,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 02:11:29,329 INFO L208 MainTranslator]: Completed translation [2021-08-26 02:11:29,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:29 WrapperNode [2021-08-26 02:11:29,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 02:11:29,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 02:11:29,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 02:11:29,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 02:11:29,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:29" (1/1) ... [2021-08-26 02:11:29,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:29" (1/1) ... [2021-08-26 02:11:29,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 02:11:29,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 02:11:29,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 02:11:29,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 02:11:29,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:29" (1/1) ... [2021-08-26 02:11:29,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:29" (1/1) ... [2021-08-26 02:11:29,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:29" (1/1) ... [2021-08-26 02:11:29,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:29" (1/1) ... [2021-08-26 02:11:29,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:29" (1/1) ... [2021-08-26 02:11:29,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:29" (1/1) ... [2021-08-26 02:11:29,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:29" (1/1) ... [2021-08-26 02:11:29,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 02:11:29,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 02:11:29,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 02:11:29,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 02:11:29,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:29" (1/1) ... [2021-08-26 02:11:29,564 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 02:11:29,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:11:29,578 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) [2021-08-26 02:11:29,585 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 [2021-08-26 02:11:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-26 02:11:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-08-26 02:11:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-26 02:11:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-26 02:11:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-26 02:11:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 02:11:29,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 02:11:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-08-26 02:11:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 02:11:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-26 02:11:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-26 02:11:29,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-26 02:11:29,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 02:11:32,206 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 02:11:32,207 INFO L299 CfgBuilder]: Removed 515 assume(true) statements. [2021-08-26 02:11:32,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:11:32 BoogieIcfgContainer [2021-08-26 02:11:32,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 02:11:32,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 02:11:32,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 02:11:32,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 02:11:32,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 02:11:28" (1/3) ... [2021-08-26 02:11:32,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6855dc1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:11:32, skipping insertion in model container [2021-08-26 02:11:32,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:29" (2/3) ... [2021-08-26 02:11:32,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6855dc1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:11:32, skipping insertion in model container [2021-08-26 02:11:32,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:11:32" (3/3) ... [2021-08-26 02:11:32,214 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw.i [2021-08-26 02:11:32,217 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 02:11:32,217 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2021-08-26 02:11:32,257 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 02:11:32,262 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-08-26 02:11:32,262 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-08-26 02:11:32,284 INFO L276 IsEmpty]: Start isEmpty. Operand has 393 states, 383 states have (on average 1.328981723237598) internal successors, (509), 392 states have internal predecessors, (509), 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) [2021-08-26 02:11:32,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-08-26 02:11:32,298 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:11:32,298 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:11:32,299 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-08-26 02:11:32,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:11:32,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1448150405, now seen corresponding path program 1 times [2021-08-26 02:11:32,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:11:32,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367031084] [2021-08-26 02:11:32,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:11:32,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:11:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:11:32,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 02:11:32,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:11:32,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367031084] [2021-08-26 02:11:32,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367031084] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 02:11:32,570 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 02:11:32,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 02:11:32,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858823079] [2021-08-26 02:11:32,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 02:11:32,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:11:32,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 02:11:32,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 02:11:32,586 INFO L87 Difference]: Start difference. First operand has 393 states, 383 states have (on average 1.328981723237598) internal successors, (509), 392 states have internal predecessors, (509), 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) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-08-26 02:11:32,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:11:32,630 INFO L93 Difference]: Finished difference Result 781 states and 1011 transitions. [2021-08-26 02:11:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 02:11:32,631 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 12 [2021-08-26 02:11:32,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:11:32,639 INFO L225 Difference]: With dead ends: 781 [2021-08-26 02:11:32,639 INFO L226 Difference]: Without dead ends: 376 [2021-08-26 02:11:32,642 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 02:11:32,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-08-26 02:11:32,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2021-08-26 02:11:32,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 367 states have (on average 1.2833787465940054) internal successors, (471), 375 states have internal predecessors, (471), 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) [2021-08-26 02:11:32,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 471 transitions. [2021-08-26 02:11:32,701 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 471 transitions. Word has length 12 [2021-08-26 02:11:32,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:11:32,701 INFO L470 AbstractCegarLoop]: Abstraction has 376 states and 471 transitions. [2021-08-26 02:11:32,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-08-26 02:11:32,701 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 471 transitions. [2021-08-26 02:11:32,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-08-26 02:11:32,702 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:11:32,702 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:11:32,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 02:11:32,702 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-08-26 02:11:32,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:11:32,704 INFO L82 PathProgramCache]: Analyzing trace with hash 806641781, now seen corresponding path program 1 times [2021-08-26 02:11:32,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:11:32,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195851361] [2021-08-26 02:11:32,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:11:32,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:11:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:11:32,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 02:11:32,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:11:32,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195851361] [2021-08-26 02:11:32,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195851361] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 02:11:32,806 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 02:11:32,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 02:11:32,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895833648] [2021-08-26 02:11:32,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 02:11:32,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:11:32,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 02:11:32,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 02:11:32,808 INFO L87 Difference]: Start difference. First operand 376 states and 471 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-08-26 02:11:32,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:11:32,835 INFO L93 Difference]: Finished difference Result 751 states and 942 transitions. [2021-08-26 02:11:32,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 02:11:32,836 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2021-08-26 02:11:32,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:11:32,838 INFO L225 Difference]: With dead ends: 751 [2021-08-26 02:11:32,838 INFO L226 Difference]: Without dead ends: 380 [2021-08-26 02:11:32,839 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 02:11:32,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2021-08-26 02:11:32,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 378. [2021-08-26 02:11:32,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 369 states have (on average 1.2818428184281843) internal successors, (473), 377 states have internal predecessors, (473), 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) [2021-08-26 02:11:32,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 473 transitions. [2021-08-26 02:11:32,846 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 473 transitions. Word has length 12 [2021-08-26 02:11:32,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:11:32,846 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 473 transitions. [2021-08-26 02:11:32,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-08-26 02:11:32,847 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 473 transitions. [2021-08-26 02:11:32,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-26 02:11:32,847 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:11:32,847 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:11:32,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 02:11:32,848 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-08-26 02:11:32,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:11:32,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1115618639, now seen corresponding path program 1 times [2021-08-26 02:11:32,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:11:32,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368974745] [2021-08-26 02:11:32,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:11:32,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:11:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:11:32,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:32,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:11:32,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368974745] [2021-08-26 02:11:32,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368974745] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:32,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219442429] [2021-08-26 02:11:32,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:11:32,905 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:11:32,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:11:32,906 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 02:11:32,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-26 02:11:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:11:33,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-26 02:11:33,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:11:33,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:33,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219442429] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:33,229 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:11:33,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-08-26 02:11:33,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125342513] [2021-08-26 02:11:33,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 02:11:33,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:11:33,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 02:11:33,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-26 02:11:33,230 INFO L87 Difference]: Start difference. First operand 378 states and 473 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2021-08-26 02:11:33,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:11:33,259 INFO L93 Difference]: Finished difference Result 754 states and 944 transitions. [2021-08-26 02:11:33,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 02:11:33,260 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 16 [2021-08-26 02:11:33,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:11:33,261 INFO L225 Difference]: With dead ends: 754 [2021-08-26 02:11:33,261 INFO L226 Difference]: Without dead ends: 382 [2021-08-26 02:11:33,262 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.9ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-26 02:11:33,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2021-08-26 02:11:33,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 380. [2021-08-26 02:11:33,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 371 states have (on average 1.280323450134771) internal successors, (475), 379 states have internal predecessors, (475), 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) [2021-08-26 02:11:33,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 475 transitions. [2021-08-26 02:11:33,268 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 475 transitions. Word has length 16 [2021-08-26 02:11:33,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:11:33,268 INFO L470 AbstractCegarLoop]: Abstraction has 380 states and 475 transitions. [2021-08-26 02:11:33,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2021-08-26 02:11:33,268 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 475 transitions. [2021-08-26 02:11:33,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-26 02:11:33,269 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:11:33,269 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:11:33,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-26 02:11:33,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:11:33,485 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-08-26 02:11:33,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:11:33,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1218920273, now seen corresponding path program 2 times [2021-08-26 02:11:33,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:11:33,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128594435] [2021-08-26 02:11:33,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:11:33,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:11:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:11:33,572 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:33,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:11:33,573 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128594435] [2021-08-26 02:11:33,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128594435] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:33,573 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509872442] [2021-08-26 02:11:33,573 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-26 02:11:33,573 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:11:33,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:11:33,577 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 02:11:33,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-26 02:11:35,003 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-26 02:11:35,004 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-26 02:11:35,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-26 02:11:35,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:11:35,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:35,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509872442] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:35,074 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:11:35,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-08-26 02:11:35,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274463165] [2021-08-26 02:11:35,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 02:11:35,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:11:35,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 02:11:35,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-08-26 02:11:35,083 INFO L87 Difference]: Start difference. First operand 380 states and 475 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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) [2021-08-26 02:11:35,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:11:35,118 INFO L93 Difference]: Finished difference Result 756 states and 946 transitions. [2021-08-26 02:11:35,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 02:11:35,119 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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 18 [2021-08-26 02:11:35,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:11:35,120 INFO L225 Difference]: With dead ends: 756 [2021-08-26 02:11:35,120 INFO L226 Difference]: Without dead ends: 384 [2021-08-26 02:11:35,120 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 10.8ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-08-26 02:11:35,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2021-08-26 02:11:35,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 382. [2021-08-26 02:11:35,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 373 states have (on average 1.2788203753351206) internal successors, (477), 381 states have internal predecessors, (477), 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) [2021-08-26 02:11:35,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 477 transitions. [2021-08-26 02:11:35,126 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 477 transitions. Word has length 18 [2021-08-26 02:11:35,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:11:35,126 INFO L470 AbstractCegarLoop]: Abstraction has 382 states and 477 transitions. [2021-08-26 02:11:35,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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) [2021-08-26 02:11:35,127 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 477 transitions. [2021-08-26 02:11:35,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-08-26 02:11:35,127 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:11:35,127 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:11:35,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-26 02:11:35,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-08-26 02:11:35,341 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-08-26 02:11:35,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:11:35,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1707542739, now seen corresponding path program 3 times [2021-08-26 02:11:35,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:11:35,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479472181] [2021-08-26 02:11:35,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:11:35,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:11:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:11:35,423 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:35,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:11:35,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479472181] [2021-08-26 02:11:35,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479472181] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:35,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390910187] [2021-08-26 02:11:35,424 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-26 02:11:35,424 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:11:35,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:11:35,425 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 02:11:35,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-26 02:11:39,149 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-26 02:11:39,149 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-26 02:11:39,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-26 02:11:39,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:11:39,244 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:39,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390910187] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:39,245 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:11:39,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-08-26 02:11:39,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756764127] [2021-08-26 02:11:39,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-26 02:11:39,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:11:39,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-26 02:11:39,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-08-26 02:11:39,246 INFO L87 Difference]: Start difference. First operand 382 states and 477 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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) [2021-08-26 02:11:39,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:11:39,296 INFO L93 Difference]: Finished difference Result 758 states and 948 transitions. [2021-08-26 02:11:39,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 02:11:39,297 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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 20 [2021-08-26 02:11:39,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:11:39,298 INFO L225 Difference]: With dead ends: 758 [2021-08-26 02:11:39,298 INFO L226 Difference]: Without dead ends: 386 [2021-08-26 02:11:39,299 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 14.3ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-08-26 02:11:39,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2021-08-26 02:11:39,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 384. [2021-08-26 02:11:39,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 375 states have (on average 1.2773333333333334) internal successors, (479), 383 states have internal predecessors, (479), 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) [2021-08-26 02:11:39,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 479 transitions. [2021-08-26 02:11:39,304 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 479 transitions. Word has length 20 [2021-08-26 02:11:39,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:11:39,305 INFO L470 AbstractCegarLoop]: Abstraction has 384 states and 479 transitions. [2021-08-26 02:11:39,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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) [2021-08-26 02:11:39,305 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 479 transitions. [2021-08-26 02:11:39,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-26 02:11:39,305 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:11:39,305 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:11:39,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-26 02:11:39,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:11:39,521 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-08-26 02:11:39,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:11:39,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1172669995, now seen corresponding path program 4 times [2021-08-26 02:11:39,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:11:39,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850513506] [2021-08-26 02:11:39,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:11:39,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:11:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:11:39,599 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:39,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:11:39,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850513506] [2021-08-26 02:11:39,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850513506] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:39,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261661431] [2021-08-26 02:11:39,600 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-26 02:11:39,600 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:11:39,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:11:39,605 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 02:11:39,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-26 02:11:39,805 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-26 02:11:39,806 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-26 02:11:39,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-26 02:11:39,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:11:39,913 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:39,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261661431] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:39,916 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:11:39,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-08-26 02:11:39,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824890091] [2021-08-26 02:11:39,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-26 02:11:39,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:11:39,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-26 02:11:39,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-08-26 02:11:39,928 INFO L87 Difference]: Start difference. First operand 384 states and 479 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 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) [2021-08-26 02:11:39,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:11:39,979 INFO L93 Difference]: Finished difference Result 760 states and 950 transitions. [2021-08-26 02:11:39,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 02:11:39,980 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 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 22 [2021-08-26 02:11:39,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:11:39,982 INFO L225 Difference]: With dead ends: 760 [2021-08-26 02:11:39,982 INFO L226 Difference]: Without dead ends: 388 [2021-08-26 02:11:39,983 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 18.6ms TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-08-26 02:11:39,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2021-08-26 02:11:39,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 386. [2021-08-26 02:11:39,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 377 states have (on average 1.2758620689655173) internal successors, (481), 385 states have internal predecessors, (481), 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) [2021-08-26 02:11:39,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 481 transitions. [2021-08-26 02:11:39,989 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 481 transitions. Word has length 22 [2021-08-26 02:11:39,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:11:39,990 INFO L470 AbstractCegarLoop]: Abstraction has 386 states and 481 transitions. [2021-08-26 02:11:39,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 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) [2021-08-26 02:11:39,990 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 481 transitions. [2021-08-26 02:11:39,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-26 02:11:39,991 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:11:39,991 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:11:40,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-26 02:11:40,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:11:40,205 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-08-26 02:11:40,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:11:40,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1196798551, now seen corresponding path program 5 times [2021-08-26 02:11:40,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:11:40,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514452368] [2021-08-26 02:11:40,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:11:40,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:11:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:11:40,285 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:40,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:11:40,286 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514452368] [2021-08-26 02:11:40,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514452368] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:40,286 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138480220] [2021-08-26 02:11:40,286 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-26 02:11:40,287 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:11:40,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:11:40,288 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 02:11:40,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-26 02:11:40,588 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-08-26 02:11:40,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-26 02:11:40,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-26 02:11:40,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:11:40,659 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:40,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138480220] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:40,660 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:11:40,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-08-26 02:11:40,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468523345] [2021-08-26 02:11:40,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-26 02:11:40,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:11:40,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-26 02:11:40,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-08-26 02:11:40,662 INFO L87 Difference]: Start difference. First operand 386 states and 481 transitions. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 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) [2021-08-26 02:11:40,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:11:40,706 INFO L93 Difference]: Finished difference Result 762 states and 952 transitions. [2021-08-26 02:11:40,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-26 02:11:40,707 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 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 24 [2021-08-26 02:11:40,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:11:40,708 INFO L225 Difference]: With dead ends: 762 [2021-08-26 02:11:40,708 INFO L226 Difference]: Without dead ends: 390 [2021-08-26 02:11:40,709 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 27.3ms TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-08-26 02:11:40,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2021-08-26 02:11:40,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 388. [2021-08-26 02:11:40,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 379 states have (on average 1.274406332453826) internal successors, (483), 387 states have internal predecessors, (483), 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) [2021-08-26 02:11:40,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 483 transitions. [2021-08-26 02:11:40,715 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 483 transitions. Word has length 24 [2021-08-26 02:11:40,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:11:40,717 INFO L470 AbstractCegarLoop]: Abstraction has 388 states and 483 transitions. [2021-08-26 02:11:40,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 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) [2021-08-26 02:11:40,717 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 483 transitions. [2021-08-26 02:11:40,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 02:11:40,718 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:11:40,718 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:11:40,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-26 02:11:40,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:11:40,933 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-08-26 02:11:40,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:11:40,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1923404377, now seen corresponding path program 6 times [2021-08-26 02:11:40,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:11:40,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018082722] [2021-08-26 02:11:40,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:11:40,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:11:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:11:41,026 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:41,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:11:41,027 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018082722] [2021-08-26 02:11:41,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018082722] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:41,027 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463093922] [2021-08-26 02:11:41,027 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-26 02:11:41,027 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:11:41,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:11:41,034 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 02:11:41,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-26 02:11:52,788 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-08-26 02:11:52,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-26 02:11:52,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-26 02:11:52,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:11:52,906 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:52,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463093922] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:52,907 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:11:52,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-08-26 02:11:52,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814353198] [2021-08-26 02:11:52,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-26 02:11:52,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:11:52,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-26 02:11:52,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-08-26 02:11:52,908 INFO L87 Difference]: Start difference. First operand 388 states and 483 transitions. Second operand has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:11:52,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:11:52,956 INFO L93 Difference]: Finished difference Result 764 states and 954 transitions. [2021-08-26 02:11:52,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-26 02:11:52,957 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-08-26 02:11:52,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:11:52,958 INFO L225 Difference]: With dead ends: 764 [2021-08-26 02:11:52,958 INFO L226 Difference]: Without dead ends: 392 [2021-08-26 02:11:52,959 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 31.8ms TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-08-26 02:11:52,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2021-08-26 02:11:52,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 390. [2021-08-26 02:11:52,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 381 states have (on average 1.272965879265092) internal successors, (485), 389 states have internal predecessors, (485), 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) [2021-08-26 02:11:52,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 485 transitions. [2021-08-26 02:11:52,964 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 485 transitions. Word has length 26 [2021-08-26 02:11:52,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:11:52,964 INFO L470 AbstractCegarLoop]: Abstraction has 390 states and 485 transitions. [2021-08-26 02:11:52,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:11:52,965 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 485 transitions. [2021-08-26 02:11:52,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-08-26 02:11:52,966 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:11:52,966 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:11:52,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-26 02:11:53,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:11:53,178 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-08-26 02:11:53,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:11:53,178 INFO L82 PathProgramCache]: Analyzing trace with hash -111933915, now seen corresponding path program 7 times [2021-08-26 02:11:53,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:11:53,178 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601288175] [2021-08-26 02:11:53,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:11:53,178 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:11:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:11:53,294 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:53,294 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:11:53,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601288175] [2021-08-26 02:11:53,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601288175] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:53,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191228518] [2021-08-26 02:11:53,294 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-26 02:11:53,295 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:11:53,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:11:53,295 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 02:11:53,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-26 02:11:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:11:53,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-26 02:11:53,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:11:53,691 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:53,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191228518] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:53,692 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:11:53,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-08-26 02:11:53,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822811382] [2021-08-26 02:11:53,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-26 02:11:53,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:11:53,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-26 02:11:53,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-08-26 02:11:53,693 INFO L87 Difference]: Start difference. First operand 390 states and 485 transitions. Second operand has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 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) [2021-08-26 02:11:53,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:11:53,749 INFO L93 Difference]: Finished difference Result 766 states and 956 transitions. [2021-08-26 02:11:53,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-26 02:11:53,750 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 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 28 [2021-08-26 02:11:53,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:11:53,751 INFO L225 Difference]: With dead ends: 766 [2021-08-26 02:11:53,751 INFO L226 Difference]: Without dead ends: 394 [2021-08-26 02:11:53,752 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 39.0ms TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-08-26 02:11:53,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2021-08-26 02:11:53,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 392. [2021-08-26 02:11:53,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 383 states have (on average 1.2715404699738904) internal successors, (487), 391 states have internal predecessors, (487), 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) [2021-08-26 02:11:53,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 487 transitions. [2021-08-26 02:11:53,758 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 487 transitions. Word has length 28 [2021-08-26 02:11:53,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:11:53,758 INFO L470 AbstractCegarLoop]: Abstraction has 392 states and 487 transitions. [2021-08-26 02:11:53,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 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) [2021-08-26 02:11:53,758 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 487 transitions. [2021-08-26 02:11:53,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-08-26 02:11:53,759 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:11:53,759 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:11:53,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-26 02:11:53,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:11:53,973 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-08-26 02:11:53,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:11:53,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1249425187, now seen corresponding path program 8 times [2021-08-26 02:11:53,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:11:53,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819273425] [2021-08-26 02:11:53,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:11:53,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:11:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:11:54,084 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:54,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:11:54,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819273425] [2021-08-26 02:11:54,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819273425] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:54,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517951250] [2021-08-26 02:11:54,085 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-26 02:11:54,085 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:11:54,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:11:54,101 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 02:11:54,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-26 02:11:55,565 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-26 02:11:55,565 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-26 02:11:55,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-26 02:11:55,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:11:55,667 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:55,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517951250] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:55,668 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:11:55,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-08-26 02:11:55,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216595619] [2021-08-26 02:11:55,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-26 02:11:55,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:11:55,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-26 02:11:55,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-08-26 02:11:55,669 INFO L87 Difference]: Start difference. First operand 392 states and 487 transitions. Second operand has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 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) [2021-08-26 02:11:55,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:11:55,728 INFO L93 Difference]: Finished difference Result 768 states and 958 transitions. [2021-08-26 02:11:55,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-26 02:11:55,729 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 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 30 [2021-08-26 02:11:55,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:11:55,730 INFO L225 Difference]: With dead ends: 768 [2021-08-26 02:11:55,730 INFO L226 Difference]: Without dead ends: 396 [2021-08-26 02:11:55,731 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 41.1ms TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-08-26 02:11:55,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2021-08-26 02:11:55,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 394. [2021-08-26 02:11:55,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 385 states have (on average 1.2701298701298702) internal successors, (489), 393 states have internal predecessors, (489), 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) [2021-08-26 02:11:55,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 489 transitions. [2021-08-26 02:11:55,736 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 489 transitions. Word has length 30 [2021-08-26 02:11:55,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:11:55,737 INFO L470 AbstractCegarLoop]: Abstraction has 394 states and 489 transitions. [2021-08-26 02:11:55,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 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) [2021-08-26 02:11:55,737 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 489 transitions. [2021-08-26 02:11:55,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-26 02:11:55,737 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:11:55,738 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:11:55,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-26 02:11:55,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-26 02:11:55,945 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-08-26 02:11:55,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:11:55,946 INFO L82 PathProgramCache]: Analyzing trace with hash -449503071, now seen corresponding path program 9 times [2021-08-26 02:11:55,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:11:55,946 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615426197] [2021-08-26 02:11:55,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:11:55,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:11:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:11:56,058 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:56,059 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:11:56,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615426197] [2021-08-26 02:11:56,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615426197] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:56,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696323304] [2021-08-26 02:11:56,059 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-26 02:11:56,059 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:11:56,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:11:56,061 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 02:11:56,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-26 02:12:10,885 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-08-26 02:12:10,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-26 02:12:10,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-26 02:12:10,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:12:11,021 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:12:11,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696323304] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:12:11,021 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:12:11,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2021-08-26 02:12:11,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483973149] [2021-08-26 02:12:11,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-26 02:12:11,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:12:11,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-26 02:12:11,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-08-26 02:12:11,023 INFO L87 Difference]: Start difference. First operand 394 states and 489 transitions. Second operand has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 13 states have internal predecessors, (35), 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) [2021-08-26 02:12:11,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:12:11,083 INFO L93 Difference]: Finished difference Result 769 states and 959 transitions. [2021-08-26 02:12:11,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-26 02:12:11,084 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 13 states have internal predecessors, (35), 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 32 [2021-08-26 02:12:11,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:12:11,085 INFO L225 Difference]: With dead ends: 769 [2021-08-26 02:12:11,085 INFO L226 Difference]: Without dead ends: 397 [2021-08-26 02:12:11,086 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 48.9ms TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-08-26 02:12:11,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2021-08-26 02:12:11,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 396. [2021-08-26 02:12:11,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 387 states have (on average 1.268733850129199) internal successors, (491), 395 states have internal predecessors, (491), 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) [2021-08-26 02:12:11,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 491 transitions. [2021-08-26 02:12:11,091 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 491 transitions. Word has length 32 [2021-08-26 02:12:11,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:12:11,091 INFO L470 AbstractCegarLoop]: Abstraction has 396 states and 491 transitions. [2021-08-26 02:12:11,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 13 states have internal predecessors, (35), 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) [2021-08-26 02:12:11,092 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 491 transitions. [2021-08-26 02:12:11,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 02:12:11,092 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:12:11,092 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:12:11,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-26 02:12:11,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:12:11,297 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-08-26 02:12:11,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:12:11,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1031986529, now seen corresponding path program 10 times [2021-08-26 02:12:11,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:12:11,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453791229] [2021-08-26 02:12:11,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:12:11,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:12:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 02:12:11,596 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-26 02:12:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 02:12:11,864 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-26 02:12:11,864 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-26 02:12:11,865 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:12:11,868 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:12:11,869 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:12:11,869 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:12:11,869 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:12:11,869 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:12:11,869 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:12:11,869 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:12:11,869 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:12:11,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-26 02:12:11,873 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 02:12:11,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 02:12:11 BoogieIcfgContainer [2021-08-26 02:12:11,978 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 02:12:11,979 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 02:12:11,979 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 02:12:11,979 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 02:12:11,979 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:11:32" (3/4) ... [2021-08-26 02:12:11,981 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-26 02:12:11,981 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 02:12:11,982 INFO L168 Benchmark]: Toolchain (without parser) took 43617.63 ms. Allocated memory was 52.4 MB in the beginning and 260.0 MB in the end (delta: 207.6 MB). Free memory was 25.4 MB in the beginning and 72.4 MB in the end (delta: -47.0 MB). Peak memory consumption was 158.7 MB. Max. memory is 16.1 GB. [2021-08-26 02:12:11,982 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 52.4 MB. Free memory was 34.8 MB in the beginning and 34.8 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 02:12:11,983 INFO L168 Benchmark]: CACSL2BoogieTranslator took 965.93 ms. Allocated memory was 52.4 MB in the beginning and 90.2 MB in the end (delta: 37.7 MB). Free memory was 25.1 MB in the beginning and 41.6 MB in the end (delta: -16.5 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2021-08-26 02:12:11,983 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.67 ms. Allocated memory is still 90.2 MB. Free memory was 41.6 MB in the beginning and 48.9 MB in the end (delta: -7.3 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. [2021-08-26 02:12:11,983 INFO L168 Benchmark]: Boogie Preprocessor took 105.58 ms. Allocated memory is still 90.2 MB. Free memory was 48.9 MB in the beginning and 39.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-26 02:12:11,984 INFO L168 Benchmark]: RCFGBuilder took 2651.84 ms. Allocated memory was 90.2 MB in the beginning and 157.3 MB in the end (delta: 67.1 MB). Free memory was 39.0 MB in the beginning and 69.6 MB in the end (delta: -30.6 MB). Peak memory consumption was 83.8 MB. Max. memory is 16.1 GB. [2021-08-26 02:12:11,984 INFO L168 Benchmark]: TraceAbstraction took 39768.35 ms. Allocated memory was 157.3 MB in the beginning and 260.0 MB in the end (delta: 102.8 MB). Free memory was 68.5 MB in the beginning and 72.4 MB in the end (delta: -3.9 MB). Peak memory consumption was 106.4 MB. Max. memory is 16.1 GB. [2021-08-26 02:12:11,984 INFO L168 Benchmark]: Witness Printer took 2.68 ms. Allocated memory is still 260.0 MB. Free memory is still 72.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 02:12:11,985 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 52.4 MB. Free memory was 34.8 MB in the beginning and 34.8 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 965.93 ms. Allocated memory was 52.4 MB in the beginning and 90.2 MB in the end (delta: 37.7 MB). Free memory was 25.1 MB in the beginning and 41.6 MB in the end (delta: -16.5 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 118.67 ms. Allocated memory is still 90.2 MB. Free memory was 41.6 MB in the beginning and 48.9 MB in the end (delta: -7.3 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 105.58 ms. Allocated memory is still 90.2 MB. Free memory was 48.9 MB in the beginning and 39.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2651.84 ms. Allocated memory was 90.2 MB in the beginning and 157.3 MB in the end (delta: 67.1 MB). Free memory was 39.0 MB in the beginning and 69.6 MB in the end (delta: -30.6 MB). Peak memory consumption was 83.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 39768.35 ms. Allocated memory was 157.3 MB in the beginning and 260.0 MB in the end (delta: 102.8 MB). Free memory was 68.5 MB in the beginning and 72.4 MB in the end (delta: -3.9 MB). Peak memory consumption was 106.4 MB. Max. memory is 16.1 GB. * Witness Printer took 2.68 ms. Allocated memory is still 260.0 MB. Free memory is still 72.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 1484. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1474] char _ddv_module_author[] = "Fernando Fuganti "; [L1475] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1476] char _ddv_module_license[] = "GPL"; [L1478] static int nowayout = 0; [L1479] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1483-L1487] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1488] static int action = 0; [L1489] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1491] static int zf_action = 0x0800; [L1492] static unsigned long zf_is_open; [L1493] static char zf_expect_close; [L1494] static spinlock_t zf_lock; [L1495] static spinlock_t zf_port_lock; [L1496] static struct timer_list zf_timer; [L1497] static unsigned long next_heartbeat = 0; [L1743-L1750] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1752-L1756] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1763-L1765] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1845] int (* _ddv_tmp_init)(void) = zf_init; [L1846] void (* _ddv_tmp_exit)(void) = zf_exit; [L1897] struct cdev fixed_cdev[1]; [L1898] int fixed_cdev_used = 0; [L1900] short number_cdev_registered = 0; [L1911] struct ddv_cdev cdev_registered[1]; [L2448] short number_genhd_registered = 0; [L2449] short number_fixed_genhd_used = 0; [L2460] struct gendisk fixed_gendisk[10]; [L2461] struct ddv_genhd genhd_registered[10]; [L2597] struct ddv_pci_driver registered_pci_driver; [L2608] struct registered_irq registered_irq[16]; [L2618] short number_tasklet_registered = 0; [L2625] struct ddv_tasklet tasklet_registered[1]; [L2635] short number_timer_registered = 0; [L2641] struct ddv_timer timer_registered[1]; [L2651] struct work_struct *shared_workqueue[10]; [L2661] spinlock_t kernel_lock; [L3347] request_queue_t fixed_request_queue[10]; [L3349] int number_request_queue_used = 0; [L3433] struct proc_dir_entry *proc_root_driver; [L3743] struct ddv_tty_driver global_tty_driver; [L3922] int ddv_ioport_request_start; [L3923] int ddv_ioport_request_len; VAL [={0:0}, ={0:0}, ={-1:8}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L1850] _ddv_module_init = zf_init [L1851] _ddv_module_exit = zf_exit [L2725] int err; [L2727] current_execution_context = 1 [L2665] int i; [L4155] lock->init = 1 [L4156] lock->locked = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2669] i = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2669] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2669] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2669] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2669] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2669] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2669] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2669] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2669] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2669] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2669] COND FALSE !(i < 10) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2673] i = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2673] COND TRUE i < 1 [L2674] tasklet_registered[i].tasklet = ((void *)0) [L2675] tasklet_registered[i].is_running = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2673] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L2673] COND FALSE !(i < 1) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L1776] int ret; [L4482] return 0; VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L12] COND TRUE !expression VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] [L12] reach_error() VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={98:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={97:0}, fixed_cdev_used=0, fixed_gendisk={91:0}, fixed_request_queue={87:0}, genhd_registered={101:0}, global_tty_driver={81:0}, jiffies=0, kernel_lock={49:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={95:0}, shared_workqueue={66:0}, tasklet_registered={86:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={68:0}, zf_is_open={52:0}, zf_lock={47:0}, zf_miscdev={74:0}, zf_notifier={57:0}, zf_port_lock={94:0}, zf_timer={41:0}] - UnprovableResult [Line: 12]: 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: 12]: 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: 12]: 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: 12]: 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: 12]: 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: 12]: 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: 12]: 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: 12]: 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 1 procedures, 393 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 39617.3ms, OverallIterations: 12, TraceHistogramMax: 10, EmptinessCheckTime: 24.4ms, AutomataDifference: 564.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 5150 SDtfs, 6554 SDslu, 6023 SDs, 0 SdLazy, 260 SolverSat, 75 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 242.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 284 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 242.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=396occurred in iteration=11, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 105.4ms AutomataMinimizationTime, 11 MinimizatonAttempts, 19 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 330.2ms SsaConstructionTime, 33070.7ms SatisfiabilityAnalysisTime, 1546.5ms InterpolantComputationTime, 490 NumberOfCodeBlocks, 486 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 436 ConstructedInterpolants, 0 QuantifiedInterpolants, 834 SizeOfPredicates, 0 NumberOfNonLiveVariables, 5269 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 18/588 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 [2021-08-26 02:12:12,017 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 02:12:13,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 02:12:13,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 02:12:13,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 02:12:13,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 02:12:13,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 02:12:13,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 02:12:13,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 02:12:13,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 02:12:13,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 02:12:13,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 02:12:13,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 02:12:13,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 02:12:13,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 02:12:13,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 02:12:13,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 02:12:13,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 02:12:13,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 02:12:13,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 02:12:13,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 02:12:13,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 02:12:13,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 02:12:13,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 02:12:13,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 02:12:13,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 02:12:13,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 02:12:13,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 02:12:13,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 02:12:13,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 02:12:13,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 02:12:13,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 02:12:13,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 02:12:13,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 02:12:13,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 02:12:13,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 02:12:13,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 02:12:13,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 02:12:13,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 02:12:13,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 02:12:13,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 02:12:13,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 02:12:13,584 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-08-26 02:12:13,608 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 02:12:13,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 02:12:13,609 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 02:12:13,610 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 02:12:13,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 02:12:13,611 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 02:12:13,611 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 02:12:13,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 02:12:13,611 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 02:12:13,612 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 02:12:13,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 02:12:13,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 02:12:13,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 02:12:13,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 02:12:13,613 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-26 02:12:13,613 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-26 02:12:13,613 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 02:12:13,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 02:12:13,613 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 02:12:13,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 02:12:13,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 02:12:13,614 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 02:12:13,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 02:12:13,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 02:12:13,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 02:12:13,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 02:12:13,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 02:12:13,615 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-26 02:12:13,615 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-26 02:12:13,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 02:12:13,615 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 02:12:13,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-26 02:12:13,615 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 933d865320c999b82fab622f75640d212923d9b1 [2021-08-26 02:12:13,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 02:12:13,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 02:12:13,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 02:12:13,852 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 02:12:13,853 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 02:12:13,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2021-08-26 02:12:13,897 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/033248011/6f621366098b45fe87ba495c5020bf48/FLAGcc33627a0 [2021-08-26 02:12:14,395 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 02:12:14,396 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2021-08-26 02:12:14,412 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/033248011/6f621366098b45fe87ba495c5020bf48/FLAGcc33627a0 [2021-08-26 02:12:14,422 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/033248011/6f621366098b45fe87ba495c5020bf48 [2021-08-26 02:12:14,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 02:12:14,425 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 02:12:14,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 02:12:14,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 02:12:14,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 02:12:14,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:12:14" (1/1) ... [2021-08-26 02:12:14,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a743b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:12:14, skipping insertion in model container [2021-08-26 02:12:14,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:12:14" (1/1) ... [2021-08-26 02:12:14,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 02:12:14,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 02:12:14,645 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/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2021-08-26 02:12:15,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 02:12:15,289 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 02:12:15,296 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2021-08-26 02:12:15,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 02:12:15,520 INFO L208 MainTranslator]: Completed translation [2021-08-26 02:12:15,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:12:15 WrapperNode [2021-08-26 02:12:15,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 02:12:15,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 02:12:15,522 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 02:12:15,522 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 02:12:15,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:12:15" (1/1) ... [2021-08-26 02:12:15,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:12:15" (1/1) ... [2021-08-26 02:12:15,655 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 02:12:15,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 02:12:15,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 02:12:15,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 02:12:15,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:12:15" (1/1) ... [2021-08-26 02:12:15,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:12:15" (1/1) ... [2021-08-26 02:12:15,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:12:15" (1/1) ... [2021-08-26 02:12:15,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:12:15" (1/1) ... [2021-08-26 02:12:15,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:12:15" (1/1) ... [2021-08-26 02:12:15,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:12:15" (1/1) ... [2021-08-26 02:12:15,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:12:15" (1/1) ... [2021-08-26 02:12:15,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 02:12:15,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 02:12:15,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 02:12:15,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 02:12:15,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:12:15" (1/1) ... [2021-08-26 02:12:15,750 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 02:12:15,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:12:15,769 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) [2021-08-26 02:12:15,794 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 [2021-08-26 02:12:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-26 02:12:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-08-26 02:12:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-08-26 02:12:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-08-26 02:12:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-26 02:12:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-26 02:12:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 02:12:15,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 02:12:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-08-26 02:12:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-08-26 02:12:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-08-26 02:12:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-08-26 02:12:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 02:12:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-26 02:12:15,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-08-26 02:12:15,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-08-26 02:12:15,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-08-26 02:12:15,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-08-26 02:12:15,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-26 02:12:15,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-08-26 02:12:20,774 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 02:12:20,774 INFO L299 CfgBuilder]: Removed 515 assume(true) statements. [2021-08-26 02:12:20,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:12:20 BoogieIcfgContainer [2021-08-26 02:12:20,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 02:12:20,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 02:12:20,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 02:12:20,779 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 02:12:20,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 02:12:14" (1/3) ... [2021-08-26 02:12:20,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d6defc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:12:20, skipping insertion in model container [2021-08-26 02:12:20,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:12:15" (2/3) ... [2021-08-26 02:12:20,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d6defc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:12:20, skipping insertion in model container [2021-08-26 02:12:20,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:12:20" (3/3) ... [2021-08-26 02:12:20,781 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw.i [2021-08-26 02:12:20,784 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 02:12:20,784 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2021-08-26 02:12:20,810 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 02:12:20,814 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-08-26 02:12:20,814 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-08-26 02:12:20,826 INFO L276 IsEmpty]: Start isEmpty. Operand has 393 states, 383 states have (on average 1.328981723237598) internal successors, (509), 392 states have internal predecessors, (509), 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) [2021-08-26 02:12:20,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-08-26 02:12:20,828 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:12:20,829 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:12:20,829 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-08-26 02:12:20,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:12:20,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1448150405, now seen corresponding path program 1 times [2021-08-26 02:12:20,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 02:12:20,841 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1457814172] [2021-08-26 02:12:20,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:12:20,842 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 02:12:20,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 02:12:20,844 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) [2021-08-26 02:12:20,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-26 02:12:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:12:21,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 1 conjunts are in the unsatisfiable core [2021-08-26 02:12:21,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:12:21,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 02:12:21,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 02:12:21,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 02:12:21,290 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 02:12:21,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1457814172] [2021-08-26 02:12:21,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1457814172] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 02:12:21,291 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 02:12:21,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-08-26 02:12:21,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74020406] [2021-08-26 02:12:21,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 02:12:21,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 02:12:21,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 02:12:21,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 02:12:21,310 INFO L87 Difference]: Start difference. First operand has 393 states, 383 states have (on average 1.328981723237598) internal successors, (509), 392 states have internal predecessors, (509), 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) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-08-26 02:12:21,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:12:21,354 INFO L93 Difference]: Finished difference Result 781 states and 1011 transitions. [2021-08-26 02:12:21,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 02:12:21,355 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 12 [2021-08-26 02:12:21,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:12:21,368 INFO L225 Difference]: With dead ends: 781 [2021-08-26 02:12:21,368 INFO L226 Difference]: Without dead ends: 376 [2021-08-26 02:12:21,373 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 02:12:21,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-08-26 02:12:21,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2021-08-26 02:12:21,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 367 states have (on average 1.2833787465940054) internal successors, (471), 375 states have internal predecessors, (471), 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) [2021-08-26 02:12:21,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 471 transitions. [2021-08-26 02:12:21,426 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 471 transitions. Word has length 12 [2021-08-26 02:12:21,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:12:21,426 INFO L470 AbstractCegarLoop]: Abstraction has 376 states and 471 transitions. [2021-08-26 02:12:21,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-08-26 02:12:21,427 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 471 transitions. [2021-08-26 02:12:21,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-08-26 02:12:21,427 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:12:21,428 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:12:21,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-08-26 02:12:21,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 02:12:21,650 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-08-26 02:12:21,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:12:21,650 INFO L82 PathProgramCache]: Analyzing trace with hash 806641781, now seen corresponding path program 1 times [2021-08-26 02:12:21,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 02:12:21,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1514426741] [2021-08-26 02:12:21,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:12:21,652 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 02:12:21,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 02:12:21,653 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) [2021-08-26 02:12:21,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-26 02:12:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:12:21,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-26 02:12:21,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:12:22,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 02:12:22,011 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 02:12:22,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 02:12:22,043 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 02:12:22,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1514426741] [2021-08-26 02:12:22,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1514426741] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 02:12:22,043 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 02:12:22,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-08-26 02:12:22,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26922410] [2021-08-26 02:12:22,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 02:12:22,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 02:12:22,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 02:12:22,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-26 02:12:22,048 INFO L87 Difference]: Start difference. First operand 376 states and 471 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2021-08-26 02:12:22,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:12:22,131 INFO L93 Difference]: Finished difference Result 1121 states and 1407 transitions. [2021-08-26 02:12:22,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 02:12:22,133 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 12 [2021-08-26 02:12:22,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:12:22,135 INFO L225 Difference]: With dead ends: 1121 [2021-08-26 02:12:22,135 INFO L226 Difference]: Without dead ends: 750 [2021-08-26 02:12:22,136 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-26 02:12:22,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2021-08-26 02:12:22,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 380. [2021-08-26 02:12:22,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 371 states have (on average 1.280323450134771) internal successors, (475), 379 states have internal predecessors, (475), 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) [2021-08-26 02:12:22,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 475 transitions. [2021-08-26 02:12:22,151 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 475 transitions. Word has length 12 [2021-08-26 02:12:22,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:12:22,151 INFO L470 AbstractCegarLoop]: Abstraction has 380 states and 475 transitions. [2021-08-26 02:12:22,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2021-08-26 02:12:22,151 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 475 transitions. [2021-08-26 02:12:22,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-26 02:12:22,152 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:12:22,152 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:12:22,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-08-26 02:12:22,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 02:12:22,364 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-08-26 02:12:22,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:12:22,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1218920273, now seen corresponding path program 1 times [2021-08-26 02:12:22,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 02:12:22,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [539787440] [2021-08-26 02:12:22,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:12:22,366 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 02:12:22,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 02:12:22,367 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) [2021-08-26 02:12:22,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-08-26 02:12:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:12:22,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-26 02:12:22,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:12:22,721 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:12:22,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 02:12:22,801 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:12:22,801 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 02:12:22,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [539787440] [2021-08-26 02:12:22,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [539787440] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-26 02:12:22,801 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:12:22,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-08-26 02:12:22,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047657817] [2021-08-26 02:12:22,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-26 02:12:22,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 02:12:22,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-26 02:12:22,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 02:12:22,803 INFO L87 Difference]: Start difference. First operand 380 states and 475 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 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) [2021-08-26 02:12:22,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:12:22,961 INFO L93 Difference]: Finished difference Result 760 states and 953 transitions. [2021-08-26 02:12:22,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 02:12:22,962 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 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 18 [2021-08-26 02:12:22,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:12:22,964 INFO L225 Difference]: With dead ends: 760 [2021-08-26 02:12:22,964 INFO L226 Difference]: Without dead ends: 388 [2021-08-26 02:12:22,965 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 59.4ms TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-08-26 02:12:22,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2021-08-26 02:12:22,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2021-08-26 02:12:22,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 379 states have (on average 1.2717678100263852) internal successors, (482), 387 states have internal predecessors, (482), 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) [2021-08-26 02:12:22,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 482 transitions. [2021-08-26 02:12:22,972 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 482 transitions. Word has length 18 [2021-08-26 02:12:22,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:12:22,972 INFO L470 AbstractCegarLoop]: Abstraction has 388 states and 482 transitions. [2021-08-26 02:12:22,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 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) [2021-08-26 02:12:22,972 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 482 transitions. [2021-08-26 02:12:22,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 02:12:22,973 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:12:22,973 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:12:22,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-08-26 02:12:23,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 02:12:23,183 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-08-26 02:12:23,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:12:23,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1923404377, now seen corresponding path program 2 times [2021-08-26 02:12:23,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 02:12:23,185 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2101971723] [2021-08-26 02:12:23,185 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-26 02:12:23,185 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 02:12:23,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 02:12:23,186 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) [2021-08-26 02:12:23,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-08-26 02:12:28,824 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-26 02:12:28,824 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-26 02:12:28,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-26 02:12:28,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:12:28,996 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:12:28,996 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 02:12:29,163 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:12:29,163 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 02:12:29,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2101971723] [2021-08-26 02:12:29,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2101971723] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-26 02:12:29,163 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:12:29,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-08-26 02:12:29,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19942871] [2021-08-26 02:12:29,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-08-26 02:12:29,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 02:12:29,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-08-26 02:12:29,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-08-26 02:12:29,165 INFO L87 Difference]: Start difference. First operand 388 states and 482 transitions. Second operand has 16 states, 16 states have (on average 2.5) internal successors, (40), 16 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:12:29,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:12:29,584 INFO L93 Difference]: Finished difference Result 768 states and 959 transitions. [2021-08-26 02:12:29,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-26 02:12:29,585 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.5) internal successors, (40), 16 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-08-26 02:12:29,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:12:29,586 INFO L225 Difference]: With dead ends: 768 [2021-08-26 02:12:29,586 INFO L226 Difference]: Without dead ends: 396 [2021-08-26 02:12:29,587 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 165.6ms TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-08-26 02:12:29,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2021-08-26 02:12:29,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2021-08-26 02:12:29,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 387 states have (on average 1.2661498708010337) internal successors, (490), 395 states have internal predecessors, (490), 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) [2021-08-26 02:12:29,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 490 transitions. [2021-08-26 02:12:29,593 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 490 transitions. Word has length 26 [2021-08-26 02:12:29,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:12:29,593 INFO L470 AbstractCegarLoop]: Abstraction has 396 states and 490 transitions. [2021-08-26 02:12:29,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.5) internal successors, (40), 16 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:12:29,594 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 490 transitions. [2021-08-26 02:12:29,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 02:12:29,594 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:12:29,594 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:12:29,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-08-26 02:12:29,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 02:12:29,795 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-08-26 02:12:29,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:12:29,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1031986529, now seen corresponding path program 3 times [2021-08-26 02:12:29,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 02:12:29,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [422007243] [2021-08-26 02:12:29,796 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-26 02:12:29,796 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 02:12:29,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 02:12:29,797 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) [2021-08-26 02:12:29,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-08-26 02:12:43,587 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-08-26 02:12:43,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-08-26 02:12:43,587 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-26 02:12:49,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 02:12:50,251 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-08-26 02:12:50,252 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-26 02:12:50,253 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:12:50,257 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:12:50,258 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:12:50,258 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:12:50,258 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:12:50,259 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:12:50,259 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:12:50,259 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:12:50,260 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:12:50,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-08-26 02:12:50,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 02:12:50,471 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 02:12:50,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 02:12:50 BoogieIcfgContainer [2021-08-26 02:12:50,580 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 02:12:50,581 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 02:12:50,581 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 02:12:50,581 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 02:12:50,582 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:12:20" (3/4) ... [2021-08-26 02:12:50,583 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-26 02:12:50,584 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 02:12:50,585 INFO L168 Benchmark]: Toolchain (without parser) took 36158.85 ms. Allocated memory was 60.8 MB in the beginning and 249.6 MB in the end (delta: 188.7 MB). Free memory was 35.6 MB in the beginning and 124.9 MB in the end (delta: -89.4 MB). Peak memory consumption was 99.0 MB. Max. memory is 16.1 GB. [2021-08-26 02:12:50,585 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 60.8 MB. Free memory was 43.8 MB in the beginning and 43.7 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 02:12:50,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1094.82 ms. Allocated memory was 60.8 MB in the beginning and 100.7 MB in the end (delta: 39.8 MB). Free memory was 35.4 MB in the beginning and 57.5 MB in the end (delta: -22.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. [2021-08-26 02:12:50,585 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.03 ms. Allocated memory is still 100.7 MB. Free memory was 57.5 MB in the beginning and 65.7 MB in the end (delta: -8.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-08-26 02:12:50,586 INFO L168 Benchmark]: Boogie Preprocessor took 87.08 ms. Allocated memory is still 100.7 MB. Free memory was 65.7 MB in the beginning and 55.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-26 02:12:50,586 INFO L168 Benchmark]: RCFGBuilder took 5031.70 ms. Allocated memory was 100.7 MB in the beginning and 180.4 MB in the end (delta: 79.7 MB). Free memory was 55.8 MB in the beginning and 84.2 MB in the end (delta: -28.3 MB). Peak memory consumption was 81.6 MB. Max. memory is 16.1 GB. [2021-08-26 02:12:50,586 INFO L168 Benchmark]: TraceAbstraction took 29803.59 ms. Allocated memory was 180.4 MB in the beginning and 249.6 MB in the end (delta: 69.2 MB). Free memory was 84.2 MB in the beginning and 124.9 MB in the end (delta: -40.7 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. [2021-08-26 02:12:50,587 INFO L168 Benchmark]: Witness Printer took 2.66 ms. Allocated memory is still 249.6 MB. Free memory is still 124.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 02:12:50,588 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 60.8 MB. Free memory was 43.8 MB in the beginning and 43.7 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1094.82 ms. Allocated memory was 60.8 MB in the beginning and 100.7 MB in the end (delta: 39.8 MB). Free memory was 35.4 MB in the beginning and 57.5 MB in the end (delta: -22.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 134.03 ms. Allocated memory is still 100.7 MB. Free memory was 57.5 MB in the beginning and 65.7 MB in the end (delta: -8.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 87.08 ms. Allocated memory is still 100.7 MB. Free memory was 65.7 MB in the beginning and 55.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 5031.70 ms. Allocated memory was 100.7 MB in the beginning and 180.4 MB in the end (delta: 79.7 MB). Free memory was 55.8 MB in the beginning and 84.2 MB in the end (delta: -28.3 MB). Peak memory consumption was 81.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 29803.59 ms. Allocated memory was 180.4 MB in the beginning and 249.6 MB in the end (delta: 69.2 MB). Free memory was 84.2 MB in the beginning and 124.9 MB in the end (delta: -40.7 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. * Witness Printer took 2.66 ms. Allocated memory is still 249.6 MB. Free memory is still 124.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: 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 1474. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1474] char _ddv_module_author[] = "Fernando Fuganti "; [L1475] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1476] char _ddv_module_license[] = "GPL"; [L1478] static int nowayout = 0; [L1479] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1483-L1487] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1488] static int action = 0; [L1489] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1491] static int zf_action = 0x0800; [L1492] static unsigned long zf_is_open; [L1493] static char zf_expect_close; [L1494] static spinlock_t zf_lock; [L1495] static spinlock_t zf_port_lock; [L1496] static struct timer_list zf_timer; [L1497] static unsigned long next_heartbeat = 0; [L1743-L1750] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1752-L1756] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1763-L1765] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1845] int (* _ddv_tmp_init)(void) = zf_init; [L1846] void (* _ddv_tmp_exit)(void) = zf_exit; [L1897] struct cdev fixed_cdev[1]; [L1898] int fixed_cdev_used = 0; [L1900] short number_cdev_registered = 0; [L1911] struct ddv_cdev cdev_registered[1]; [L2448] short number_genhd_registered = 0; [L2449] short number_fixed_genhd_used = 0; [L2460] struct gendisk fixed_gendisk[10]; [L2461] struct ddv_genhd genhd_registered[10]; [L2597] struct ddv_pci_driver registered_pci_driver; [L2608] struct registered_irq registered_irq[16]; [L2618] short number_tasklet_registered = 0; [L2625] struct ddv_tasklet tasklet_registered[1]; [L2635] short number_timer_registered = 0; [L2641] struct ddv_timer timer_registered[1]; [L2651] struct work_struct *shared_workqueue[10]; [L2661] spinlock_t kernel_lock; [L3347] request_queue_t fixed_request_queue[10]; [L3349] int number_request_queue_used = 0; [L3433] struct proc_dir_entry *proc_root_driver; [L3743] struct ddv_tty_driver global_tty_driver; [L3922] int ddv_ioport_request_start; [L3923] int ddv_ioport_request_len; VAL [={-1:8}, ={-1:7}, ={0:0}, ={0:0}, action=0, cdev_registered={808454171:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L1850] _ddv_module_init = zf_init [L1851] _ddv_module_exit = zf_exit [L2725] int err; [L2727] current_execution_context = 1 [L2665] int i; [L4155] lock->init = 1 [L4156] lock->locked = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L2669] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L2669] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L2669] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L2669] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L2669] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L2669] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L2669] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L2669] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L2669] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L2669] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L2669] COND FALSE !(i < 10) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L2673] i = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L2673] COND TRUE i < 1 [L2674] tasklet_registered[i].tasklet = ((void *)0) [L2675] tasklet_registered[i].is_running = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L2673] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L2673] COND FALSE !(i < 1) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L1776] int ret; [L4482] return 0; VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L12] COND TRUE !expression VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] [L12] reach_error() VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={808454171:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-1882196156:0}, fixed_cdev_used=0, fixed_gendisk={265287490:0}, fixed_request_queue={-1915748541:0}, genhd_registered={399505226:0}, global_tty_driver={-2016413886:0}, jiffies=0, kernel_lock={825231386:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={-1882196217:0}, registered_pci_driver={-1882196218:0}, shared_workqueue={-2016413870:0}, tasklet_registered={-1882195992:0}, timer_registered={667940686:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2016413868:0}, zf_info={265287510:0}, zf_is_open={-1882196394:0}, zf_lock={-1882196032:0}, zf_miscdev={-1882196138:0}, zf_notifier={-1882196159:0}, zf_port_lock={-1882196153:0}, zf_timer={-1882196220:0}] - UnprovableResult [Line: 12]: 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: 12]: 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: 12]: 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: 12]: 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: 12]: 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: 12]: 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: 12]: 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: 12]: 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 1 procedures, 393 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 29660.1ms, OverallIterations: 5, TraceHistogramMax: 10, EmptinessCheckTime: 7.4ms, AutomataDifference: 753.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1887 SDtfs, 4185 SDslu, 4624 SDs, 0 SdLazy, 224 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 450.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 231.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=396occurred in iteration=4, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 71.4ms AutomataMinimizationTime, 4 MinimizatonAttempts, 370 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 155.1ms SsaConstructionTime, 19555.6ms SatisfiabilityAnalysisTime, 708.6ms InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 236 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1516 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 4/84 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 [2021-08-26 02:12:50,632 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...