./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf 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_outb.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 f2a28b716690d853e4267de531a39f6e4337982c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_outb.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 f2a28b716690d853e4267de531a39f6e4337982c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 09:07:41,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 09:07:41,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 09:07:41,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 09:07:41,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 09:07:41,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 09:07:41,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 09:07:41,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 09:07:41,408 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 09:07:41,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 09:07:41,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 09:07:41,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 09:07:41,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 09:07:41,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 09:07:41,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 09:07:41,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 09:07:41,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 09:07:41,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 09:07:41,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 09:07:41,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 09:07:41,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 09:07:41,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 09:07:41,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 09:07:41,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 09:07:41,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 09:07:41,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 09:07:41,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 09:07:41,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 09:07:41,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 09:07:41,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 09:07:41,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 09:07:41,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 09:07:41,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 09:07:41,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 09:07:41,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 09:07:41,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 09:07:41,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 09:07:41,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 09:07:41,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 09:07:41,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 09:07:41,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 09:07:41,448 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 09:07:41,474 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 09:07:41,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 09:07:41,475 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 09:07:41,476 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 09:07:41,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 09:07:41,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 09:07:41,477 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 09:07:41,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 09:07:41,478 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 09:07:41,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 09:07:41,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 09:07:41,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 09:07:41,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 09:07:41,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 09:07:41,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 09:07:41,479 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 09:07:41,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 09:07:41,479 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 09:07:41,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 09:07:41,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 09:07:41,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 09:07:41,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 09:07:41,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 09:07:41,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 09:07:41,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 09:07:41,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 09:07:41,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 09:07:41,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 09:07:41,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 09:07:41,480 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 09:07:41,480 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2a28b716690d853e4267de531a39f6e4337982c [2021-08-29 09:07:41,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 09:07:41,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 09:07:41,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 09:07:41,761 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 09:07:41,761 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 09:07:41,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2021-08-29 09:07:41,799 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0797b9728/618a021f7e1d4cf6975e5be269bb3e00/FLAG3e4ad8273 [2021-08-29 09:07:42,289 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 09:07:42,290 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2021-08-29 09:07:42,314 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0797b9728/618a021f7e1d4cf6975e5be269bb3e00/FLAG3e4ad8273 [2021-08-29 09:07:42,326 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0797b9728/618a021f7e1d4cf6975e5be269bb3e00 [2021-08-29 09:07:42,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 09:07:42,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 09:07:42,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 09:07:42,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 09:07:42,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 09:07:42,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:07:42" (1/1) ... [2021-08-29 09:07:42,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54b5dc09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:42, skipping insertion in model container [2021-08-29 09:07:42,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:07:42" (1/1) ... [2021-08-29 09:07:42,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 09:07:42,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 09:07:42,600 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_outb.i[453,466] [2021-08-29 09:07:43,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 09:07:43,278 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 09:07:43,287 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_outb.i[453,466] [2021-08-29 09:07:43,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 09:07:43,541 INFO L208 MainTranslator]: Completed translation [2021-08-29 09:07:43,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:43 WrapperNode [2021-08-29 09:07:43,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 09:07:43,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 09:07:43,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 09:07:43,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 09:07:43,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:43" (1/1) ... [2021-08-29 09:07:43,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:43" (1/1) ... [2021-08-29 09:07:43,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 09:07:43,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 09:07:43,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 09:07:43,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 09:07:43,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:43" (1/1) ... [2021-08-29 09:07:43,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:43" (1/1) ... [2021-08-29 09:07:43,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:43" (1/1) ... [2021-08-29 09:07:43,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:43" (1/1) ... [2021-08-29 09:07:43,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:43" (1/1) ... [2021-08-29 09:07:43,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:43" (1/1) ... [2021-08-29 09:07:43,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:43" (1/1) ... [2021-08-29 09:07:43,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 09:07:43,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 09:07:43,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 09:07:43,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 09:07:43,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:43" (1/1) ... [2021-08-29 09:07:43,869 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 09:07:43,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 09:07:43,898 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) [2021-08-29 09:07:43,945 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 [2021-08-29 09:07:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-29 09:07:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-08-29 09:07:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-29 09:07:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-29 09:07:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-29 09:07:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 09:07:43,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 09:07:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-08-29 09:07:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 09:07:43,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-29 09:07:43,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-29 09:07:43,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-29 09:07:43,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 09:07:45,221 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 09:07:45,221 INFO L299 CfgBuilder]: Removed 575 assume(true) statements. [2021-08-29 09:07:45,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:07:45 BoogieIcfgContainer [2021-08-29 09:07:45,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 09:07:45,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 09:07:45,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 09:07:45,226 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 09:07:45,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:07:42" (1/3) ... [2021-08-29 09:07:45,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25db36ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:07:45, skipping insertion in model container [2021-08-29 09:07:45,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:43" (2/3) ... [2021-08-29 09:07:45,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25db36ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:07:45, skipping insertion in model container [2021-08-29 09:07:45,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:07:45" (3/3) ... [2021-08-29 09:07:45,229 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outb.i [2021-08-29 09:07:45,232 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 09:07:45,232 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2021-08-29 09:07:45,268 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 09:07:45,273 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 [2021-08-29 09:07:45,273 INFO L340 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2021-08-29 09:07:45,293 INFO L276 IsEmpty]: Start isEmpty. Operand has 504 states, 464 states have (on average 1.4008620689655173) internal successors, (650), 503 states have internal predecessors, (650), 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) [2021-08-29 09:07:45,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-29 09:07:45,297 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 09:07:45,297 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 09:07:45,298 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-08-29 09:07:45,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 09:07:45,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1570735153, now seen corresponding path program 1 times [2021-08-29 09:07:45,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 09:07:45,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264474900] [2021-08-29 09:07:45,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 09:07:45,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 09:07:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 09:07:45,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 09:07:45,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 09:07:45,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264474900] [2021-08-29 09:07:45,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264474900] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 09:07:45,643 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 09:07:45,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 09:07:45,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848791906] [2021-08-29 09:07:45,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 09:07:45,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 09:07:45,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 09:07:45,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 09:07:45,664 INFO L87 Difference]: Start difference. First operand has 504 states, 464 states have (on average 1.4008620689655173) internal successors, (650), 503 states have internal predecessors, (650), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-08-29 09:07:47,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 09:07:47,134 INFO L93 Difference]: Finished difference Result 1003 states and 1293 transitions. [2021-08-29 09:07:47,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 09:07:47,137 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2021-08-29 09:07:47,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 09:07:47,149 INFO L225 Difference]: With dead ends: 1003 [2021-08-29 09:07:47,149 INFO L226 Difference]: Without dead ends: 491 [2021-08-29 09:07:47,152 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 09:07:47,158 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1254.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.89ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1419.75ms IncrementalHoareTripleChecker+Time [2021-08-29 09:07:47,159 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 600 Unknown, 0 Unchecked, 3.89ms Time], IncrementalHoareTripleChecker [0 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 1419.75ms Time] [2021-08-29 09:07:47,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2021-08-29 09:07:47,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2021-08-29 09:07:47,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 452 states have (on average 1.2964601769911503) internal successors, (586), 490 states have internal predecessors, (586), 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) [2021-08-29 09:07:47,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 586 transitions. [2021-08-29 09:07:47,218 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 586 transitions. Word has length 11 [2021-08-29 09:07:47,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 09:07:47,219 INFO L470 AbstractCegarLoop]: Abstraction has 491 states and 586 transitions. [2021-08-29 09:07:47,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-08-29 09:07:47,219 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 586 transitions. [2021-08-29 09:07:47,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-29 09:07:47,220 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 09:07:47,220 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 09:07:47,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 09:07:47,221 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-08-29 09:07:47,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 09:07:47,222 INFO L82 PathProgramCache]: Analyzing trace with hash 857304725, now seen corresponding path program 1 times [2021-08-29 09:07:47,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 09:07:47,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624171878] [2021-08-29 09:07:47,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 09:07:47,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 09:07:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 09:07:47,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 09:07:47,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 09:07:47,325 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624171878] [2021-08-29 09:07:47,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624171878] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 09:07:47,325 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 09:07:47,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 09:07:47,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464761272] [2021-08-29 09:07:47,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 09:07:47,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 09:07:47,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 09:07:47,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 09:07:47,327 INFO L87 Difference]: Start difference. First operand 491 states and 586 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-08-29 09:07:49,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 09:07:49,454 INFO L93 Difference]: Finished difference Result 981 states and 1172 transitions. [2021-08-29 09:07:49,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 09:07:49,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2021-08-29 09:07:49,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 09:07:49,457 INFO L225 Difference]: With dead ends: 981 [2021-08-29 09:07:49,457 INFO L226 Difference]: Without dead ends: 495 [2021-08-29 09:07:49,458 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.42ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 09:07:49,458 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 2 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 1170 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1895.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.72ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2098.74ms IncrementalHoareTripleChecker+Time [2021-08-29 09:07:49,459 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 0 Invalid, 1172 Unknown, 0 Unchecked, 3.72ms Time], IncrementalHoareTripleChecker [2 Valid, 1170 Invalid, 0 Unknown, 0 Unchecked, 2098.74ms Time] [2021-08-29 09:07:49,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2021-08-29 09:07:49,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 493. [2021-08-29 09:07:49,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 454 states have (on average 1.2951541850220265) internal successors, (588), 492 states have internal predecessors, (588), 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) [2021-08-29 09:07:49,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 588 transitions. [2021-08-29 09:07:49,468 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 588 transitions. Word has length 11 [2021-08-29 09:07:49,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 09:07:49,468 INFO L470 AbstractCegarLoop]: Abstraction has 493 states and 588 transitions. [2021-08-29 09:07:49,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-08-29 09:07:49,468 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 588 transitions. [2021-08-29 09:07:49,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-29 09:07:49,469 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 09:07:49,469 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 09:07:49,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 09:07:49,469 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-08-29 09:07:49,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 09:07:49,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1488032985, now seen corresponding path program 1 times [2021-08-29 09:07:49,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 09:07:49,470 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900026721] [2021-08-29 09:07:49,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 09:07:49,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 09:07:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 09:07:49,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-29 09:07:49,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 09:07:49,520 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900026721] [2021-08-29 09:07:49,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900026721] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 09:07:49,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139867609] [2021-08-29 09:07:49,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 09:07:49,521 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 09:07:49,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 09:07:49,560 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) [2021-08-29 09:07:49,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-29 09:07:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 09:07:49,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-29 09:07:49,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 09:07:49,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-29 09:07:49,878 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 09:07:49,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-29 09:07:49,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139867609] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 09:07:49,929 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 09:07:49,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-08-29 09:07:49,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251429080] [2021-08-29 09:07:49,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-29 09:07:49,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 09:07:49,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-29 09:07:49,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-08-29 09:07:49,930 INFO L87 Difference]: Start difference. First operand 493 states and 588 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 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) [2021-08-29 09:07:52,318 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-29 09:07:54,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 09:07:54,367 INFO L93 Difference]: Finished difference Result 987 states and 1179 transitions. [2021-08-29 09:07:54,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 09:07:54,368 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 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 15 [2021-08-29 09:07:54,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 09:07:54,369 INFO L225 Difference]: With dead ends: 987 [2021-08-29 09:07:54,369 INFO L226 Difference]: Without dead ends: 500 [2021-08-29 09:07:54,370 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 12.95ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-08-29 09:07:54,371 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 584 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 1758 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4055.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.65ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4387.76ms IncrementalHoareTripleChecker+Time [2021-08-29 09:07:54,371 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [584 Valid, 0 Invalid, 1767 Unknown, 0 Unchecked, 4.65ms Time], IncrementalHoareTripleChecker [9 Valid, 1758 Invalid, 0 Unknown, 0 Unchecked, 4387.76ms Time] [2021-08-29 09:07:54,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2021-08-29 09:07:54,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 499. [2021-08-29 09:07:54,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 460 states have (on average 1.291304347826087) internal successors, (594), 498 states have internal predecessors, (594), 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) [2021-08-29 09:07:54,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 594 transitions. [2021-08-29 09:07:54,379 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 594 transitions. Word has length 15 [2021-08-29 09:07:54,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 09:07:54,380 INFO L470 AbstractCegarLoop]: Abstraction has 499 states and 594 transitions. [2021-08-29 09:07:54,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 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) [2021-08-29 09:07:54,380 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 594 transitions. [2021-08-29 09:07:54,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-29 09:07:54,380 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 09:07:54,380 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 09:07:54,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-29 09:07:54,598 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 [2021-08-29 09:07:54,598 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-08-29 09:07:54,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 09:07:54,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1146206751, now seen corresponding path program 2 times [2021-08-29 09:07:54,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 09:07:54,599 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978958398] [2021-08-29 09:07:54,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 09:07:54,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 09:07:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 09:07:54,762 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-29 09:07:54,762 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 09:07:54,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978958398] [2021-08-29 09:07:54,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978958398] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 09:07:54,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072467704] [2021-08-29 09:07:54,763 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-29 09:07:54,763 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 09:07:54,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 09:07:54,764 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) [2021-08-29 09:07:54,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-29 09:07:56,298 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-29 09:07:56,299 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-29 09:07:56,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-29 09:07:56,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 09:07:56,368 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-29 09:07:56,369 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 09:07:56,461 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-29 09:07:56,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072467704] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 09:07:56,462 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 09:07:56,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2021-08-29 09:07:56,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360621657] [2021-08-29 09:07:56,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-29 09:07:56,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 09:07:56,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-29 09:07:56,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-08-29 09:07:56,463 INFO L87 Difference]: Start difference. First operand 499 states and 594 transitions. Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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) [2021-08-29 09:07:59,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 09:07:59,984 INFO L93 Difference]: Finished difference Result 999 states and 1194 transitions. [2021-08-29 09:07:59,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-29 09:07:59,984 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 21 [2021-08-29 09:07:59,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 09:07:59,986 INFO L225 Difference]: With dead ends: 999 [2021-08-29 09:07:59,986 INFO L226 Difference]: Without dead ends: 512 [2021-08-29 09:07:59,987 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 62.47ms TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-08-29 09:07:59,988 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 2320 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3203.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2320 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.13ms SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3476.30ms IncrementalHoareTripleChecker+Time [2021-08-29 09:07:59,988 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [2320 Valid, 0 Invalid, 1214 Unknown, 0 Unchecked, 6.13ms Time], IncrementalHoareTripleChecker [21 Valid, 1193 Invalid, 0 Unknown, 0 Unchecked, 3476.30ms Time] [2021-08-29 09:07:59,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2021-08-29 09:07:59,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 511. [2021-08-29 09:07:59,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 472 states have (on average 1.2838983050847457) internal successors, (606), 510 states have internal predecessors, (606), 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) [2021-08-29 09:07:59,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 606 transitions. [2021-08-29 09:07:59,996 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 606 transitions. Word has length 21 [2021-08-29 09:07:59,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 09:07:59,997 INFO L470 AbstractCegarLoop]: Abstraction has 511 states and 606 transitions. [2021-08-29 09:07:59,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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) [2021-08-29 09:07:59,997 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 606 transitions. [2021-08-29 09:07:59,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-29 09:07:59,998 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 09:07:59,998 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 09:08:00,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-29 09:08:00,221 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 [2021-08-29 09:08:00,221 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-08-29 09:08:00,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 09:08:00,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1490730795, now seen corresponding path program 3 times [2021-08-29 09:08:00,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 09:08:00,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877636732] [2021-08-29 09:08:00,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 09:08:00,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 09:08:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 09:08:00,810 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-29 09:08:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 09:08:01,331 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-29 09:08:01,331 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-08-29 09:08:01,332 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 39 remaining) [2021-08-29 09:08:01,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (37 of 39 remaining) [2021-08-29 09:08:01,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (36 of 39 remaining) [2021-08-29 09:08:01,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (35 of 39 remaining) [2021-08-29 09:08:01,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (34 of 39 remaining) [2021-08-29 09:08:01,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (33 of 39 remaining) [2021-08-29 09:08:01,334 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (32 of 39 remaining) [2021-08-29 09:08:01,334 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (31 of 39 remaining) [2021-08-29 09:08:01,334 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (30 of 39 remaining) [2021-08-29 09:08:01,334 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (29 of 39 remaining) [2021-08-29 09:08:01,334 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (28 of 39 remaining) [2021-08-29 09:08:01,334 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (27 of 39 remaining) [2021-08-29 09:08:01,335 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (26 of 39 remaining) [2021-08-29 09:08:01,335 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (25 of 39 remaining) [2021-08-29 09:08:01,335 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (24 of 39 remaining) [2021-08-29 09:08:01,335 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (23 of 39 remaining) [2021-08-29 09:08:01,335 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (22 of 39 remaining) [2021-08-29 09:08:01,335 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (21 of 39 remaining) [2021-08-29 09:08:01,336 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (20 of 39 remaining) [2021-08-29 09:08:01,336 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (19 of 39 remaining) [2021-08-29 09:08:01,336 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (18 of 39 remaining) [2021-08-29 09:08:01,336 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (17 of 39 remaining) [2021-08-29 09:08:01,336 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (16 of 39 remaining) [2021-08-29 09:08:01,336 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (15 of 39 remaining) [2021-08-29 09:08:01,337 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (14 of 39 remaining) [2021-08-29 09:08:01,337 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (13 of 39 remaining) [2021-08-29 09:08:01,337 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION (12 of 39 remaining) [2021-08-29 09:08:01,337 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION (11 of 39 remaining) [2021-08-29 09:08:01,337 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION (10 of 39 remaining) [2021-08-29 09:08:01,337 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION (9 of 39 remaining) [2021-08-29 09:08:01,338 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION (8 of 39 remaining) [2021-08-29 09:08:01,338 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION (7 of 39 remaining) [2021-08-29 09:08:01,338 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION (6 of 39 remaining) [2021-08-29 09:08:01,338 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION (5 of 39 remaining) [2021-08-29 09:08:01,338 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION (4 of 39 remaining) [2021-08-29 09:08:01,338 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION (3 of 39 remaining) [2021-08-29 09:08:01,339 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION (2 of 39 remaining) [2021-08-29 09:08:01,339 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION (1 of 39 remaining) [2021-08-29 09:08:01,339 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION (0 of 39 remaining) [2021-08-29 09:08:01,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 09:08:01,343 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 09:08:01,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 09:08:01 BoogieIcfgContainer [2021-08-29 09:08:01,468 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 09:08:01,469 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 09:08:01,469 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 09:08:01,469 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 09:08:01,470 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:07:45" (3/4) ... [2021-08-29 09:08:01,472 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-29 09:08:01,472 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 09:08:01,472 INFO L158 Benchmark]: Toolchain (without parser) took 19142.76ms. Allocated memory was 65.0MB in the beginning and 293.6MB in the end (delta: 228.6MB). Free memory was 36.1MB in the beginning and 139.8MB in the end (delta: -103.7MB). Peak memory consumption was 123.5MB. Max. memory is 16.1GB. [2021-08-29 09:08:01,473 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 46.1MB. Free memory was 28.3MB in the beginning and 28.3MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 09:08:01,473 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1210.74ms. Allocated memory was 65.0MB in the beginning and 100.7MB in the end (delta: 35.7MB). Free memory was 35.9MB in the beginning and 54.6MB in the end (delta: -18.7MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2021-08-29 09:08:01,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 186.51ms. Allocated memory is still 100.7MB. Free memory was 54.6MB in the beginning and 64.5MB in the end (delta: -9.9MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2021-08-29 09:08:01,473 INFO L158 Benchmark]: Boogie Preprocessor took 133.31ms. Allocated memory is still 100.7MB. Free memory was 64.5MB in the beginning and 54.5MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-29 09:08:01,474 INFO L158 Benchmark]: RCFGBuilder took 1359.89ms. Allocated memory was 100.7MB in the beginning and 230.7MB in the end (delta: 130.0MB). Free memory was 54.5MB in the beginning and 108.5MB in the end (delta: -54.1MB). Peak memory consumption was 118.0MB. Max. memory is 16.1GB. [2021-08-29 09:08:01,474 INFO L158 Benchmark]: TraceAbstraction took 16243.20ms. Allocated memory was 230.7MB in the beginning and 293.6MB in the end (delta: 62.9MB). Free memory was 108.5MB in the beginning and 139.8MB in the end (delta: -31.3MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. [2021-08-29 09:08:01,474 INFO L158 Benchmark]: Witness Printer took 2.90ms. Allocated memory is still 293.6MB. Free memory is still 139.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 09:08:01,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 46.1MB. Free memory was 28.3MB in the beginning and 28.3MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1210.74ms. Allocated memory was 65.0MB in the beginning and 100.7MB in the end (delta: 35.7MB). Free memory was 35.9MB in the beginning and 54.6MB in the end (delta: -18.7MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 186.51ms. Allocated memory is still 100.7MB. Free memory was 54.6MB in the beginning and 64.5MB in the end (delta: -9.9MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 133.31ms. Allocated memory is still 100.7MB. Free memory was 64.5MB in the beginning and 54.5MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1359.89ms. Allocated memory was 100.7MB in the beginning and 230.7MB in the end (delta: 130.0MB). Free memory was 54.5MB in the beginning and 108.5MB in the end (delta: -54.1MB). Peak memory consumption was 118.0MB. Max. memory is 16.1GB. * TraceAbstraction took 16243.20ms. Allocated memory was 230.7MB in the beginning and 293.6MB in the end (delta: 62.9MB). Free memory was 108.5MB in the beginning and 139.8MB in the end (delta: -31.3MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. * Witness Printer took 2.90ms. Allocated memory is still 293.6MB. Free memory is still 139.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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]; [L2596] struct ddv_pci_driver registered_pci_driver; [L2607] struct registered_irq registered_irq[16]; [L2617] short number_tasklet_registered = 0; [L2624] struct ddv_tasklet tasklet_registered[1]; [L2634] short number_timer_registered = 0; [L2640] struct ddv_timer timer_registered[1]; [L2650] struct work_struct *shared_workqueue[10]; [L2660] spinlock_t kernel_lock; [L3346] request_queue_t fixed_request_queue[10]; [L3348] int number_request_queue_used = 0; [L3432] struct proc_dir_entry *proc_root_driver; [L3742] struct ddv_tty_driver global_tty_driver; [L3921] int ddv_ioport_request_start; [L3922] int ddv_ioport_request_len; VAL [={-1:8}, ={-1:7}, ={0:0}, ={0:0}, 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={66:0}, 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={81:0}, 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 [L2724] int err; [L2726] current_execution_context = 1 [L2664] int i; [L4153] lock->init = 1 [L4154] lock->locked = 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={66:0}, 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={81:0}, 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}] [L2668] i = 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={66:0}, 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={81:0}, 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}] [L2668] COND TRUE i < 10 [L2669] 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={66:0}, 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={81:0}, 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}] [L2668] 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={66:0}, 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={81:0}, 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}] [L2668] COND TRUE i < 10 [L2669] 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={66:0}, 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={81:0}, 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}] [L2668] 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={66:0}, 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={81:0}, 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}] [L2668] COND TRUE i < 10 [L2669] 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={66:0}, 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={81:0}, 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}] [L2668] 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={66:0}, 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={81:0}, 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}] [L2668] COND TRUE i < 10 [L2669] 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={66:0}, 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={81:0}, 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}] [L2668] 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={66:0}, 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={81:0}, 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}] [L2668] COND TRUE i < 10 [L2669] 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={66:0}, 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={81:0}, 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}] [L2668] 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={66:0}, 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={81:0}, 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}] [L2668] COND TRUE i < 10 [L2669] 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={66:0}, 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={81:0}, 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}] [L2668] 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={66:0}, 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={81:0}, 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}] [L2668] COND TRUE i < 10 [L2669] 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={66:0}, 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={81:0}, 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}] [L2668] 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={66:0}, 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={81:0}, 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}] [L2668] COND TRUE i < 10 [L2669] 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={66:0}, 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={81:0}, 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}] [L2668] 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={66:0}, 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={81:0}, 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}] [L2668] COND TRUE i < 10 [L2669] 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={66:0}, 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={81:0}, 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}] [L2668] 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={66:0}, 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={81:0}, 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}] [L2668] COND TRUE i < 10 [L2669] 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={66:0}, 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={81:0}, 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}] [L2668] 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={66:0}, 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={81:0}, 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}] [L2668] COND FALSE !(i < 10) 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={66:0}, 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={81:0}, 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}] [L2672] i = 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={66:0}, 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={81:0}, 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}] [L2672] COND TRUE i < 1 [L2673] tasklet_registered[i].tasklet = ((void *)0) [L2674] tasklet_registered[i].is_running = 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={66:0}, 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={81:0}, 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}] [L2672] 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={66:0}, 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={81:0}, 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}] [L2672] COND FALSE !(i < 1) 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={66:0}, 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={81:0}, 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; [L4480] return 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={66:0}, 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={81:0}, 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={66:0}, 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={81:0}, 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={66:0}, 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={81:0}, 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. - 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. - 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. - 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. - 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, 504 locations, 39 error locations. Started 1 CEGAR loops. OverallTime: 16074.92ms, OverallIterations: 5, TraceHistogramMax: 10, EmptinessCheckTime: 10.68ms, AutomataDifference: 11613.40ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 14.49ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2906 SdHoareTripleChecker+Valid, 11382.54ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2906 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 10409.34ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2310 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4721 IncrementalHoareTripleChecker+Invalid, 4753 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 0 mSDtfsCounter, 4721 mSolverCounterSat, 18.40ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 77.87ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=511occurred in iteration=4, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 74.77ms AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 80.48ms SsaConstructionTime, 2288.83ms SatisfiabilityAnalysisTime, 573.44ms InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 122 ConstructedInterpolants, 0 QuantifiedInterpolants, 196 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1258 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 6/57 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 [2021-08-29 09:08:01,530 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-wip.dd.seqcomp-5fbdf5b [2021-08-29 09:08:03,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 09:08:03,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 09:08:03,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 09:08:03,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 09:08:03,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 09:08:03,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 09:08:03,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 09:08:03,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 09:08:03,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 09:08:03,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 09:08:03,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 09:08:03,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 09:08:03,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 09:08:03,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 09:08:03,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 09:08:03,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 09:08:03,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 09:08:03,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 09:08:03,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 09:08:03,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 09:08:03,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 09:08:03,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 09:08:03,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 09:08:03,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 09:08:03,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 09:08:03,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 09:08:03,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 09:08:03,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 09:08:03,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 09:08:03,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 09:08:03,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 09:08:03,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 09:08:03,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 09:08:03,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 09:08:03,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 09:08:03,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 09:08:03,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 09:08:03,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 09:08:03,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 09:08:03,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 09:08:03,234 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-08-29 09:08:03,257 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 09:08:03,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 09:08:03,258 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 09:08:03,258 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 09:08:03,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 09:08:03,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 09:08:03,259 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 09:08:03,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 09:08:03,260 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 09:08:03,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 09:08:03,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 09:08:03,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 09:08:03,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 09:08:03,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 09:08:03,260 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-29 09:08:03,261 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-29 09:08:03,261 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 09:08:03,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 09:08:03,261 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 09:08:03,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 09:08:03,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 09:08:03,261 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 09:08:03,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 09:08:03,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 09:08:03,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 09:08:03,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 09:08:03,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 09:08:03,262 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-29 09:08:03,262 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-29 09:08:03,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 09:08:03,263 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 09:08:03,263 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-29 09:08:03,263 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2a28b716690d853e4267de531a39f6e4337982c [2021-08-29 09:08:03,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 09:08:03,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 09:08:03,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 09:08:03,567 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 09:08:03,569 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 09:08:03,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2021-08-29 09:08:03,631 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d7b3a1e1/6f040a807e34415d900c4fd9f798beab/FLAGe363ea549 [2021-08-29 09:08:04,131 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 09:08:04,132 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2021-08-29 09:08:04,159 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d7b3a1e1/6f040a807e34415d900c4fd9f798beab/FLAGe363ea549 [2021-08-29 09:08:04,374 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d7b3a1e1/6f040a807e34415d900c4fd9f798beab [2021-08-29 09:08:04,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 09:08:04,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 09:08:04,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 09:08:04,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 09:08:04,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 09:08:04,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:08:04" (1/1) ... [2021-08-29 09:08:04,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38cb9bfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:08:04, skipping insertion in model container [2021-08-29 09:08:04,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:08:04" (1/1) ... [2021-08-29 09:08:04,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 09:08:04,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 09:08:04,624 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_outb.i[453,466] [2021-08-29 09:08:05,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 09:08:05,250 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 09:08:05,257 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_outb.i[453,466] [2021-08-29 09:08:05,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 09:08:05,525 INFO L208 MainTranslator]: Completed translation [2021-08-29 09:08:05,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:08:05 WrapperNode [2021-08-29 09:08:05,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 09:08:05,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 09:08:05,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 09:08:05,527 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 09:08:05,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:08:05" (1/1) ... [2021-08-29 09:08:05,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:08:05" (1/1) ... [2021-08-29 09:08:05,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 09:08:05,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 09:08:05,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 09:08:05,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 09:08:05,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:08:05" (1/1) ... [2021-08-29 09:08:05,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:08:05" (1/1) ... [2021-08-29 09:08:05,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:08:05" (1/1) ... [2021-08-29 09:08:05,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:08:05" (1/1) ... [2021-08-29 09:08:05,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:08:05" (1/1) ... [2021-08-29 09:08:05,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:08:05" (1/1) ... [2021-08-29 09:08:05,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:08:05" (1/1) ... [2021-08-29 09:08:05,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 09:08:05,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 09:08:05,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 09:08:05,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 09:08:05,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:08:05" (1/1) ... [2021-08-29 09:08:05,801 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 09:08:05,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 09:08:05,830 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) [2021-08-29 09:08:05,867 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 [2021-08-29 09:08:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-29 09:08:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-08-29 09:08:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-08-29 09:08:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-08-29 09:08:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-29 09:08:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-29 09:08:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 09:08:05,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 09:08:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-08-29 09:08:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-08-29 09:08:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-08-29 09:08:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-08-29 09:08:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 09:08:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-29 09:08:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-08-29 09:08:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-08-29 09:08:05,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-08-29 09:08:05,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-08-29 09:08:05,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-29 09:08:05,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-08-29 09:08:07,433 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 09:08:07,434 INFO L299 CfgBuilder]: Removed 575 assume(true) statements. [2021-08-29 09:08:07,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:08:07 BoogieIcfgContainer [2021-08-29 09:08:07,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 09:08:07,438 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 09:08:07,438 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 09:08:07,440 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 09:08:07,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:08:04" (1/3) ... [2021-08-29 09:08:07,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3b9c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:08:07, skipping insertion in model container [2021-08-29 09:08:07,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:08:05" (2/3) ... [2021-08-29 09:08:07,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3b9c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:08:07, skipping insertion in model container [2021-08-29 09:08:07,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:08:07" (3/3) ... [2021-08-29 09:08:07,442 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outb.i [2021-08-29 09:08:07,445 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 09:08:07,446 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2021-08-29 09:08:07,485 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 09:08:07,491 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 [2021-08-29 09:08:07,491 INFO L340 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2021-08-29 09:08:07,510 INFO L276 IsEmpty]: Start isEmpty. Operand has 504 states, 464 states have (on average 1.4008620689655173) internal successors, (650), 503 states have internal predecessors, (650), 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) [2021-08-29 09:08:07,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-29 09:08:07,513 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 09:08:07,513 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 09:08:07,514 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-08-29 09:08:07,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 09:08:07,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1570735153, now seen corresponding path program 1 times [2021-08-29 09:08:07,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 09:08:07,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1500611781] [2021-08-29 09:08:07,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 09:08:07,528 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 09:08:07,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 09:08:07,529 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) [2021-08-29 09:08:07,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-29 09:08:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 09:08:07,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 1 conjunts are in the unsatisfiable core [2021-08-29 09:08:07,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 09:08:07,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 09:08:07,928 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 09:08:07,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 09:08:07,957 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-29 09:08:07,957 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1500611781] [2021-08-29 09:08:07,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1500611781] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-29 09:08:07,958 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-29 09:08:07,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-08-29 09:08:07,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670112485] [2021-08-29 09:08:07,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 09:08:07,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-29 09:08:07,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 09:08:07,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 09:08:07,984 INFO L87 Difference]: Start difference. First operand has 504 states, 464 states have (on average 1.4008620689655173) internal successors, (650), 503 states have internal predecessors, (650), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-08-29 09:08:10,022 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-29 09:08:11,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 09:08:11,323 INFO L93 Difference]: Finished difference Result 1003 states and 1293 transitions. [2021-08-29 09:08:11,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 09:08:11,325 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2021-08-29 09:08:11,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 09:08:11,338 INFO L225 Difference]: With dead ends: 1003 [2021-08-29 09:08:11,343 INFO L226 Difference]: Without dead ends: 491 [2021-08-29 09:08:11,347 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.07ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 09:08:11,350 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3094.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.79ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3284.98ms IncrementalHoareTripleChecker+Time [2021-08-29 09:08:11,360 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 600 Unknown, 0 Unchecked, 2.79ms Time], IncrementalHoareTripleChecker [0 Valid, 599 Invalid, 1 Unknown, 0 Unchecked, 3284.98ms Time] [2021-08-29 09:08:11,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2021-08-29 09:08:11,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2021-08-29 09:08:11,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 452 states have (on average 1.2964601769911503) internal successors, (586), 490 states have internal predecessors, (586), 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) [2021-08-29 09:08:11,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 586 transitions. [2021-08-29 09:08:11,436 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 586 transitions. Word has length 11 [2021-08-29 09:08:11,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 09:08:11,437 INFO L470 AbstractCegarLoop]: Abstraction has 491 states and 586 transitions. [2021-08-29 09:08:11,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-08-29 09:08:11,437 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 586 transitions. [2021-08-29 09:08:11,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-29 09:08:11,437 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 09:08:11,437 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 09:08:11,451 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-08-29 09:08:11,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-29 09:08:11,650 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-08-29 09:08:11,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 09:08:11,651 INFO L82 PathProgramCache]: Analyzing trace with hash 857304725, now seen corresponding path program 1 times [2021-08-29 09:08:11,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 09:08:11,652 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1426653352] [2021-08-29 09:08:11,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 09:08:11,653 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 09:08:11,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 09:08:11,654 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) [2021-08-29 09:08:11,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-29 09:08:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 09:08:11,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-29 09:08:11,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 09:08:12,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 09:08:12,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 09:08:12,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 09:08:12,078 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-29 09:08:12,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1426653352] [2021-08-29 09:08:12,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1426653352] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-29 09:08:12,079 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-29 09:08:12,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-08-29 09:08:12,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952692604] [2021-08-29 09:08:12,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 09:08:12,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-29 09:08:12,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 09:08:12,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 09:08:12,080 INFO L87 Difference]: Start difference. First operand 491 states and 586 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2021-08-29 09:08:14,123 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-29 09:08:17,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 09:08:17,083 INFO L93 Difference]: Finished difference Result 1466 states and 1752 transitions. [2021-08-29 09:08:17,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 09:08:17,084 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 11 [2021-08-29 09:08:17,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 09:08:17,088 INFO L225 Difference]: With dead ends: 1466 [2021-08-29 09:08:17,088 INFO L226 Difference]: Without dead ends: 980 [2021-08-29 09:08:17,089 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.95ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 09:08:17,090 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 581 mSDsluCounter, 1152 mSDsCounter, 0 mSdLazyCounter, 1749 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4549.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.92ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1749 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4930.59ms IncrementalHoareTripleChecker+Time [2021-08-29 09:08:17,090 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [581 Valid, 0 Invalid, 1756 Unknown, 0 Unchecked, 7.92ms Time], IncrementalHoareTripleChecker [6 Valid, 1749 Invalid, 1 Unknown, 0 Unchecked, 4930.59ms Time] [2021-08-29 09:08:17,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2021-08-29 09:08:17,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 495. [2021-08-29 09:08:17,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 456 states have (on average 1.293859649122807) internal successors, (590), 494 states have internal predecessors, (590), 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) [2021-08-29 09:08:17,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 590 transitions. [2021-08-29 09:08:17,103 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 590 transitions. Word has length 11 [2021-08-29 09:08:17,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 09:08:17,104 INFO L470 AbstractCegarLoop]: Abstraction has 495 states and 590 transitions. [2021-08-29 09:08:17,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2021-08-29 09:08:17,104 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 590 transitions. [2021-08-29 09:08:17,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-29 09:08:17,104 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 09:08:17,104 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 09:08:17,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-08-29 09:08:17,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-29 09:08:17,314 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-08-29 09:08:17,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 09:08:17,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1978982629, now seen corresponding path program 1 times [2021-08-29 09:08:17,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 09:08:17,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1293507597] [2021-08-29 09:08:17,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 09:08:17,316 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 09:08:17,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 09:08:17,319 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) [2021-08-29 09:08:17,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-08-29 09:08:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 09:08:17,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-29 09:08:17,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 09:08:17,626 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-29 09:08:17,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 09:08:17,687 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-29 09:08:17,691 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-29 09:08:17,691 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1293507597] [2021-08-29 09:08:17,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1293507597] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 09:08:17,691 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-29 09:08:17,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-08-29 09:08:17,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518565612] [2021-08-29 09:08:17,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-29 09:08:17,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-29 09:08:17,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-29 09:08:17,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-29 09:08:17,693 INFO L87 Difference]: Start difference. First operand 495 states and 590 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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) [2021-08-29 09:08:19,716 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-29 09:08:22,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 09:08:22,580 INFO L93 Difference]: Finished difference Result 990 states and 1183 transitions. [2021-08-29 09:08:22,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-29 09:08:22,581 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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 17 [2021-08-29 09:08:22,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 09:08:22,582 INFO L225 Difference]: With dead ends: 990 [2021-08-29 09:08:22,582 INFO L226 Difference]: Without dead ends: 503 [2021-08-29 09:08:22,583 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 55.78ms TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-08-29 09:08:22,585 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 584 mSDsluCounter, 1152 mSDsCounter, 0 mSdLazyCounter, 1779 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4503.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.04ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1779 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4807.36ms IncrementalHoareTripleChecker+Time [2021-08-29 09:08:22,586 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [584 Valid, 0 Invalid, 1789 Unknown, 0 Unchecked, 5.04ms Time], IncrementalHoareTripleChecker [9 Valid, 1779 Invalid, 1 Unknown, 0 Unchecked, 4807.36ms Time] [2021-08-29 09:08:22,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2021-08-29 09:08:22,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503. [2021-08-29 09:08:22,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 464 states have (on average 1.2866379310344827) internal successors, (597), 502 states have internal predecessors, (597), 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) [2021-08-29 09:08:22,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 597 transitions. [2021-08-29 09:08:22,596 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 597 transitions. Word has length 17 [2021-08-29 09:08:22,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 09:08:22,596 INFO L470 AbstractCegarLoop]: Abstraction has 503 states and 597 transitions. [2021-08-29 09:08:22,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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) [2021-08-29 09:08:22,596 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 597 transitions. [2021-08-29 09:08:22,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-29 09:08:22,613 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 09:08:22,613 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 09:08:22,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-08-29 09:08:22,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-29 09:08:22,837 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-08-29 09:08:22,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 09:08:22,837 INFO L82 PathProgramCache]: Analyzing trace with hash -200592605, now seen corresponding path program 2 times [2021-08-29 09:08:22,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 09:08:22,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [866583766] [2021-08-29 09:08:22,838 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-29 09:08:22,838 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 09:08:22,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 09:08:22,841 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) [2021-08-29 09:08:22,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-08-29 09:08:32,101 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-29 09:08:32,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-29 09:08:32,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-29 09:08:32,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 09:08:32,257 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-29 09:08:32,257 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 09:08:32,400 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-29 09:08:32,400 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-29 09:08:32,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [866583766] [2021-08-29 09:08:32,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [866583766] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 09:08:32,401 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-29 09:08:32,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-08-29 09:08:32,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675993865] [2021-08-29 09:08:32,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-08-29 09:08:32,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-29 09:08:32,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-08-29 09:08:32,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-08-29 09:08:32,402 INFO L87 Difference]: Start difference. First operand 503 states and 597 transitions. Second operand has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 09:08:34,425 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-29 09:08:39,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 09:08:39,243 INFO L93 Difference]: Finished difference Result 998 states and 1189 transitions. [2021-08-29 09:08:39,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-29 09:08:39,243 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-08-29 09:08:39,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 09:08:39,245 INFO L225 Difference]: With dead ends: 998 [2021-08-29 09:08:39,245 INFO L226 Difference]: Without dead ends: 511 [2021-08-29 09:08:39,246 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 148.17ms TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-08-29 09:08:39,246 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 588 mSDsluCounter, 3456 mSDsCounter, 0 mSdLazyCounter, 4192 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6183.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.09ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 4192 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6727.83ms IncrementalHoareTripleChecker+Time [2021-08-29 09:08:39,246 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [588 Valid, 0 Invalid, 4205 Unknown, 0 Unchecked, 8.09ms Time], IncrementalHoareTripleChecker [12 Valid, 4192 Invalid, 1 Unknown, 0 Unchecked, 6727.83ms Time] [2021-08-29 09:08:39,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2021-08-29 09:08:39,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2021-08-29 09:08:39,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 472 states have (on average 1.2817796610169492) internal successors, (605), 510 states have internal predecessors, (605), 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) [2021-08-29 09:08:39,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 605 transitions. [2021-08-29 09:08:39,258 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 605 transitions. Word has length 25 [2021-08-29 09:08:39,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 09:08:39,272 INFO L470 AbstractCegarLoop]: Abstraction has 511 states and 605 transitions. [2021-08-29 09:08:39,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 09:08:39,273 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 605 transitions. [2021-08-29 09:08:39,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-29 09:08:39,275 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 09:08:39,276 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 09:08:39,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-08-29 09:08:39,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-29 09:08:39,476 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-08-29 09:08:39,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 09:08:39,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1490730795, now seen corresponding path program 3 times [2021-08-29 09:08:39,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 09:08:39,477 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [687552190] [2021-08-29 09:08:39,477 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-29 09:08:39,477 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 09:08:39,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 09:08:39,481 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) [2021-08-29 09:08:39,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-08-29 09:08:49,291 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-08-29 09:08:49,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-08-29 09:08:49,292 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-29 09:08:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 09:08:58,753 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-08-29 09:08:58,753 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-08-29 09:08:58,754 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (38 of 39 remaining) [2021-08-29 09:08:58,755 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (37 of 39 remaining) [2021-08-29 09:08:58,755 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (36 of 39 remaining) [2021-08-29 09:08:58,755 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (35 of 39 remaining) [2021-08-29 09:08:58,755 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (34 of 39 remaining) [2021-08-29 09:08:58,755 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (33 of 39 remaining) [2021-08-29 09:08:58,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (32 of 39 remaining) [2021-08-29 09:08:58,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (31 of 39 remaining) [2021-08-29 09:08:58,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (30 of 39 remaining) [2021-08-29 09:08:58,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (29 of 39 remaining) [2021-08-29 09:08:58,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (28 of 39 remaining) [2021-08-29 09:08:58,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (27 of 39 remaining) [2021-08-29 09:08:58,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (26 of 39 remaining) [2021-08-29 09:08:58,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (25 of 39 remaining) [2021-08-29 09:08:58,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (24 of 39 remaining) [2021-08-29 09:08:58,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (23 of 39 remaining) [2021-08-29 09:08:58,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (22 of 39 remaining) [2021-08-29 09:08:58,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (21 of 39 remaining) [2021-08-29 09:08:58,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (20 of 39 remaining) [2021-08-29 09:08:58,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (19 of 39 remaining) [2021-08-29 09:08:58,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (18 of 39 remaining) [2021-08-29 09:08:58,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (17 of 39 remaining) [2021-08-29 09:08:58,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (16 of 39 remaining) [2021-08-29 09:08:58,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (15 of 39 remaining) [2021-08-29 09:08:58,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (14 of 39 remaining) [2021-08-29 09:08:58,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (13 of 39 remaining) [2021-08-29 09:08:58,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION (12 of 39 remaining) [2021-08-29 09:08:58,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION (11 of 39 remaining) [2021-08-29 09:08:58,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION (10 of 39 remaining) [2021-08-29 09:08:58,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION (9 of 39 remaining) [2021-08-29 09:08:58,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION (8 of 39 remaining) [2021-08-29 09:08:58,758 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION (7 of 39 remaining) [2021-08-29 09:08:58,758 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION (6 of 39 remaining) [2021-08-29 09:08:58,758 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION (5 of 39 remaining) [2021-08-29 09:08:58,758 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION (4 of 39 remaining) [2021-08-29 09:08:58,758 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION (3 of 39 remaining) [2021-08-29 09:08:58,758 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION (2 of 39 remaining) [2021-08-29 09:08:58,758 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION (1 of 39 remaining) [2021-08-29 09:08:58,758 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION (0 of 39 remaining) [2021-08-29 09:08:58,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-08-29 09:08:58,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-29 09:08:58,993 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 09:08:59,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 09:08:59 BoogieIcfgContainer [2021-08-29 09:08:59,199 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 09:08:59,200 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 09:08:59,201 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 09:08:59,201 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 09:08:59,201 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:08:07" (3/4) ... [2021-08-29 09:08:59,203 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-29 09:08:59,210 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 09:08:59,210 INFO L158 Benchmark]: Toolchain (without parser) took 54832.72ms. Allocated memory was 60.8MB in the beginning and 281.0MB in the end (delta: 220.2MB). Free memory was 37.1MB in the beginning and 113.2MB in the end (delta: -76.0MB). Peak memory consumption was 143.9MB. Max. memory is 16.1GB. [2021-08-29 09:08:59,211 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory was 41.8MB in the beginning and 41.8MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 09:08:59,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1146.91ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 36.9MB in the beginning and 36.6MB in the end (delta: 289.4kB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2021-08-29 09:08:59,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 148.57ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 36.6MB in the beginning and 62.9MB in the end (delta: -26.3MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2021-08-29 09:08:59,211 INFO L158 Benchmark]: Boogie Preprocessor took 118.52ms. Allocated memory is still 102.8MB. Free memory was 62.9MB in the beginning and 52.3MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-29 09:08:59,212 INFO L158 Benchmark]: RCFGBuilder took 1640.30ms. Allocated memory was 102.8MB in the beginning and 281.0MB in the end (delta: 178.3MB). Free memory was 51.8MB in the beginning and 169.6MB in the end (delta: -117.8MB). Peak memory consumption was 78.6MB. Max. memory is 16.1GB. [2021-08-29 09:08:59,212 INFO L158 Benchmark]: TraceAbstraction took 51761.58ms. Allocated memory is still 281.0MB. Free memory was 169.6MB in the beginning and 113.2MB in the end (delta: 56.4MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. [2021-08-29 09:08:59,212 INFO L158 Benchmark]: Witness Printer took 9.77ms. Allocated memory is still 281.0MB. Free memory is still 113.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 09:08:59,214 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory was 41.8MB in the beginning and 41.8MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1146.91ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 36.9MB in the beginning and 36.6MB in the end (delta: 289.4kB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 148.57ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 36.6MB in the beginning and 62.9MB in the end (delta: -26.3MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 118.52ms. Allocated memory is still 102.8MB. Free memory was 62.9MB in the beginning and 52.3MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1640.30ms. Allocated memory was 102.8MB in the beginning and 281.0MB in the end (delta: 178.3MB). Free memory was 51.8MB in the beginning and 169.6MB in the end (delta: -117.8MB). Peak memory consumption was 78.6MB. Max. memory is 16.1GB. * TraceAbstraction took 51761.58ms. Allocated memory is still 281.0MB. Free memory was 169.6MB in the beginning and 113.2MB in the end (delta: 56.4MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. * Witness Printer took 9.77ms. Allocated memory is still 281.0MB. Free memory is still 113.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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]; [L2596] struct ddv_pci_driver registered_pci_driver; [L2607] struct registered_irq registered_irq[16]; [L2617] short number_tasklet_registered = 0; [L2624] struct ddv_tasklet tasklet_registered[1]; [L2634] short number_timer_registered = 0; [L2640] struct ddv_timer timer_registered[1]; [L2650] struct work_struct *shared_workqueue[10]; [L2660] spinlock_t kernel_lock; [L3346] request_queue_t fixed_request_queue[10]; [L3348] int number_request_queue_used = 0; [L3432] struct proc_dir_entry *proc_root_driver; [L3742] struct ddv_tty_driver global_tty_driver; [L3921] int ddv_ioport_request_start; [L3922] int ddv_ioport_request_len; VAL [={0:0}, ={-1:7}, ={0:0}, ={-1:8}, action=0, cdev_registered={-268438010:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L1850] _ddv_module_init = zf_init [L1851] _ddv_module_exit = zf_exit [L2724] int err; [L2726] current_execution_context = 1 [L2664] int i; [L4153] lock->init = 1 [L4154] lock->locked = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L2668] i = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L2668] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L2668] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L2668] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L2668] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L2668] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L2668] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L2668] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L2668] COND FALSE !(i < 10) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L2672] i = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L2672] COND TRUE i < 1 [L2673] tasklet_registered[i].tasklet = ((void *)0) [L2674] tasklet_registered[i].is_running = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L2672] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L2672] COND FALSE !(i < 1) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L1776] int ret; [L4480] return 0; VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L12] COND TRUE !expression VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] [L12] reach_error() VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-268438010:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-536873436:0}, fixed_cdev_used=0, fixed_gendisk={268432935:0}, fixed_request_queue={-2396:0}, genhd_registered={-1883242517:0}, global_tty_driver={-268438011:0}, jiffies=0, kernel_lock={-1610612725:0}, 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={-536873438:0}, registered_pci_driver={536868390:0}, shared_workqueue={-1073744346:0}, tasklet_registered={536870922:0}, timer_registered={536871013:0}, zf_action=2048, zf_expect_close=0, zf_fops={-536873470:0}, zf_info={-1611139545:0}, zf_is_open={-536873178:0}, zf_lock={-536873426:0}, zf_miscdev={-1074268633:0}, zf_notifier={2147481124:0}, zf_port_lock={1073739302:0}, zf_timer={-537397721:0}] - 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. - 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. - 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. - 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. - 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, 504 locations, 39 error locations. Started 1 CEGAR loops. OverallTime: 51507.78ms, OverallIterations: 5, TraceHistogramMax: 10, EmptinessCheckTime: 27.37ms, AutomataDifference: 20151.19ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 14.08ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 1753 SdHoareTripleChecker+Valid, 19750.76ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1753 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 18330.69ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5760 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8319 IncrementalHoareTripleChecker+Invalid, 8350 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 0 mSDtfsCounter, 8319 mSolverCounterSat, 23.85ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 209.97ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=511occurred in iteration=4, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 97.01ms AutomataMinimizationTime, 4 MinimizatonAttempts, 485 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 142.47ms SsaConstructionTime, 19174.63ms SatisfiabilityAnalysisTime, 620.63ms InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 228 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1508 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 [2021-08-29 09:08:59,300 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...