./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6e0f5271b3ddc7b4a5ff7e7ec42981c4dbcef13b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6e0f5271b3ddc7b4a5ff7e7ec42981c4dbcef13b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 19:19:54,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 19:19:54,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 19:19:54,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 19:19:54,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 19:19:54,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 19:19:54,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 19:19:54,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 19:19:54,488 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 19:19:54,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 19:19:54,490 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 19:19:54,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 19:19:54,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 19:19:54,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 19:19:54,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 19:19:54,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 19:19:54,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 19:19:54,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 19:19:54,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 19:19:54,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 19:19:54,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 19:19:54,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 19:19:54,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 19:19:54,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 19:19:54,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 19:19:54,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 19:19:54,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 19:19:54,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 19:19:54,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 19:19:54,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 19:19:54,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 19:19:54,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 19:19:54,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 19:19:54,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 19:19:54,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 19:19:54,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 19:19:54,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 19:19:54,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 19:19:54,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 19:19:54,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 19:19:54,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 19:19:54,525 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-28 19:19:54,550 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 19:19:54,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 19:19:54,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 19:19:54,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 19:19:54,553 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 19:19:54,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 19:19:54,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 19:19:54,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 19:19:54,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 19:19:54,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 19:19:54,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 19:19:54,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 19:19:54,556 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 19:19:54,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 19:19:54,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 19:19:54,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 19:19:54,558 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 19:19:54,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 19:19:54,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 19:19:54,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 19:19:54,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 19:19:54,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 19:19:54,560 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 19:19:54,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 19:19:54,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 19:19:54,561 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 19:19:54,561 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 19:19:54,561 INFO L138 SettingsManager]: * To the following directory=dump/ 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e0f5271b3ddc7b4a5ff7e7ec42981c4dbcef13b [2019-11-28 19:19:54,962 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 19:19:54,976 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 19:19:54,980 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 19:19:54,982 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 19:19:54,982 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 19:19:54,983 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2019-11-28 19:19:55,063 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cf564825/134203286dc245aca31db8d458537507/FLAGdf4afaf61 [2019-11-28 19:19:55,788 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 19:19:55,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2019-11-28 19:19:55,823 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cf564825/134203286dc245aca31db8d458537507/FLAGdf4afaf61 [2019-11-28 19:19:55,886 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cf564825/134203286dc245aca31db8d458537507 [2019-11-28 19:19:55,890 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 19:19:55,892 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 19:19:55,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 19:19:55,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 19:19:55,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 19:19:55,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:19:55" (1/1) ... [2019-11-28 19:19:55,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7682b668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:19:55, skipping insertion in model container [2019-11-28 19:19:55,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:19:55" (1/1) ... [2019-11-28 19:19:55,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 19:19:56,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 19:19:56,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 19:19:56,991 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 19:19:57,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 19:19:57,201 INFO L208 MainTranslator]: Completed translation [2019-11-28 19:19:57,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:19:57 WrapperNode [2019-11-28 19:19:57,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 19:19:57,203 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 19:19:57,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 19:19:57,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 19:19:57,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:19:57" (1/1) ... [2019-11-28 19:19:57,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:19:57" (1/1) ... [2019-11-28 19:19:57,337 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 19:19:57,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 19:19:57,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 19:19:57,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 19:19:57,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:19:57" (1/1) ... [2019-11-28 19:19:57,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:19:57" (1/1) ... [2019-11-28 19:19:57,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:19:57" (1/1) ... [2019-11-28 19:19:57,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:19:57" (1/1) ... [2019-11-28 19:19:57,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:19:57" (1/1) ... [2019-11-28 19:19:57,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:19:57" (1/1) ... [2019-11-28 19:19:57,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:19:57" (1/1) ... [2019-11-28 19:19:57,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 19:19:57,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 19:19:57,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 19:19:57,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 19:19:57,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:19:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 19:19:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 19:19:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 19:19:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 19:19:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 19:19:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 19:19:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-28 19:19:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 19:19:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 19:19:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 19:19:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 19:19:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 19:19:59,090 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 19:19:59,090 INFO L287 CfgBuilder]: Removed 182 assume(true) statements. [2019-11-28 19:19:59,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:19:59 BoogieIcfgContainer [2019-11-28 19:19:59,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 19:19:59,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 19:19:59,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 19:19:59,098 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 19:19:59,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:19:55" (1/3) ... [2019-11-28 19:19:59,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454481b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:19:59, skipping insertion in model container [2019-11-28 19:19:59,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:19:57" (2/3) ... [2019-11-28 19:19:59,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454481b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:19:59, skipping insertion in model container [2019-11-28 19:19:59,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:19:59" (3/3) ... [2019-11-28 19:19:59,104 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2019-11-28 19:19:59,116 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 19:19:59,125 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-28 19:19:59,139 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-28 19:19:59,168 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 19:19:59,169 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 19:19:59,169 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 19:19:59,169 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 19:19:59,169 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 19:19:59,170 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 19:19:59,170 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 19:19:59,170 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 19:19:59,194 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2019-11-28 19:19:59,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 19:19:59,204 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 19:19:59,205 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 19:19:59,206 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 19:19:59,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 19:19:59,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1062036277, now seen corresponding path program 1 times [2019-11-28 19:19:59,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 19:19:59,224 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443413671] [2019-11-28 19:19:59,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 19:19:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 19:19:59,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 19:19:59,651 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443413671] [2019-11-28 19:19:59,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 19:19:59,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 19:19:59,654 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702207840] [2019-11-28 19:19:59,661 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 19:19:59,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 19:19:59,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 19:19:59,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 19:19:59,684 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 3 states. [2019-11-28 19:19:59,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 19:19:59,878 INFO L93 Difference]: Finished difference Result 512 states and 736 transitions. [2019-11-28 19:19:59,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 19:19:59,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-11-28 19:19:59,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 19:19:59,914 INFO L225 Difference]: With dead ends: 512 [2019-11-28 19:19:59,915 INFO L226 Difference]: Without dead ends: 317 [2019-11-28 19:19:59,924 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 19:19:59,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2019-11-28 19:20:00,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 311. [2019-11-28 19:20:00,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2019-11-28 19:20:00,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 437 transitions. [2019-11-28 19:20:00,036 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 437 transitions. Word has length 13 [2019-11-28 19:20:00,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 19:20:00,037 INFO L462 AbstractCegarLoop]: Abstraction has 311 states and 437 transitions. [2019-11-28 19:20:00,037 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 19:20:00,037 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 437 transitions. [2019-11-28 19:20:00,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 19:20:00,040 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 19:20:00,040 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 19:20:00,041 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 19:20:00,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 19:20:00,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1283320232, now seen corresponding path program 1 times [2019-11-28 19:20:00,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 19:20:00,042 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112570136] [2019-11-28 19:20:00,042 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 19:20:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 19:20:00,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 19:20:00,216 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112570136] [2019-11-28 19:20:00,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 19:20:00,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 19:20:00,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410950037] [2019-11-28 19:20:00,219 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 19:20:00,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 19:20:00,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 19:20:00,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 19:20:00,221 INFO L87 Difference]: Start difference. First operand 311 states and 437 transitions. Second operand 3 states. [2019-11-28 19:20:00,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 19:20:00,273 INFO L93 Difference]: Finished difference Result 317 states and 441 transitions. [2019-11-28 19:20:00,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 19:20:00,274 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-28 19:20:00,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 19:20:00,276 INFO L225 Difference]: With dead ends: 317 [2019-11-28 19:20:00,276 INFO L226 Difference]: Without dead ends: 314 [2019-11-28 19:20:00,278 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 19:20:00,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2019-11-28 19:20:00,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 311. [2019-11-28 19:20:00,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2019-11-28 19:20:00,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 436 transitions. [2019-11-28 19:20:00,296 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 436 transitions. Word has length 20 [2019-11-28 19:20:00,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 19:20:00,297 INFO L462 AbstractCegarLoop]: Abstraction has 311 states and 436 transitions. [2019-11-28 19:20:00,297 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 19:20:00,298 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 436 transitions. [2019-11-28 19:20:00,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 19:20:00,299 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 19:20:00,300 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 19:20:00,300 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 19:20:00,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 19:20:00,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1283379814, now seen corresponding path program 1 times [2019-11-28 19:20:00,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 19:20:00,301 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861722728] [2019-11-28 19:20:00,302 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 19:20:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 19:20:00,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 19:20:00,380 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861722728] [2019-11-28 19:20:00,380 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 19:20:00,380 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 19:20:00,381 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451473411] [2019-11-28 19:20:00,381 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 19:20:00,381 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 19:20:00,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 19:20:00,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 19:20:00,382 INFO L87 Difference]: Start difference. First operand 311 states and 436 transitions. Second operand 3 states. [2019-11-28 19:20:00,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 19:20:00,412 INFO L93 Difference]: Finished difference Result 611 states and 862 transitions. [2019-11-28 19:20:00,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 19:20:00,412 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-28 19:20:00,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 19:20:00,414 INFO L225 Difference]: With dead ends: 611 [2019-11-28 19:20:00,415 INFO L226 Difference]: Without dead ends: 300 [2019-11-28 19:20:00,417 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 19:20:00,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2019-11-28 19:20:00,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 297. [2019-11-28 19:20:00,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2019-11-28 19:20:00,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 415 transitions. [2019-11-28 19:20:00,434 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 415 transitions. Word has length 20 [2019-11-28 19:20:00,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 19:20:00,435 INFO L462 AbstractCegarLoop]: Abstraction has 297 states and 415 transitions. [2019-11-28 19:20:00,435 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 19:20:00,435 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 415 transitions. [2019-11-28 19:20:00,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 19:20:00,437 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 19:20:00,437 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 19:20:00,438 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 19:20:00,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 19:20:00,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1155007385, now seen corresponding path program 1 times [2019-11-28 19:20:00,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 19:20:00,439 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587670606] [2019-11-28 19:20:00,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 19:20:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 19:20:00,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 19:20:00,490 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587670606] [2019-11-28 19:20:00,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 19:20:00,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 19:20:00,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712387045] [2019-11-28 19:20:00,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 19:20:00,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 19:20:00,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 19:20:00,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 19:20:00,492 INFO L87 Difference]: Start difference. First operand 297 states and 415 transitions. Second operand 3 states. [2019-11-28 19:20:00,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 19:20:00,551 INFO L93 Difference]: Finished difference Result 706 states and 990 transitions. [2019-11-28 19:20:00,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 19:20:00,554 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-11-28 19:20:00,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 19:20:00,556 INFO L225 Difference]: With dead ends: 706 [2019-11-28 19:20:00,557 INFO L226 Difference]: Without dead ends: 412 [2019-11-28 19:20:00,558 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 19:20:00,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2019-11-28 19:20:00,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 410. [2019-11-28 19:20:00,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2019-11-28 19:20:00,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 574 transitions. [2019-11-28 19:20:00,578 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 574 transitions. Word has length 23 [2019-11-28 19:20:00,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 19:20:00,578 INFO L462 AbstractCegarLoop]: Abstraction has 410 states and 574 transitions. [2019-11-28 19:20:00,578 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 19:20:00,579 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 574 transitions. [2019-11-28 19:20:00,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-28 19:20:00,581 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 19:20:00,582 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 19:20:00,582 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 19:20:00,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 19:20:00,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1364814432, now seen corresponding path program 1 times [2019-11-28 19:20:00,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 19:20:00,583 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336575405] [2019-11-28 19:20:00,584 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 19:20:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 19:20:00,759 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 19:20:00,760 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336575405] [2019-11-28 19:20:00,760 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44956645] [2019-11-28 19:20:00,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 19:20:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 19:20:01,075 INFO L264 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 19:20:01,092 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 19:20:01,116 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-28 19:20:01,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 19:20:01,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2019-11-28 19:20:01,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350074014] [2019-11-28 19:20:01,118 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 19:20:01,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 19:20:01,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 19:20:01,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-28 19:20:01,119 INFO L87 Difference]: Start difference. First operand 410 states and 574 transitions. Second operand 3 states. [2019-11-28 19:20:01,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 19:20:01,189 INFO L93 Difference]: Finished difference Result 1218 states and 1704 transitions. [2019-11-28 19:20:01,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 19:20:01,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2019-11-28 19:20:01,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 19:20:01,194 INFO L225 Difference]: With dead ends: 1218 [2019-11-28 19:20:01,195 INFO L226 Difference]: Without dead ends: 811 [2019-11-28 19:20:01,196 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-28 19:20:01,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2019-11-28 19:20:01,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 658. [2019-11-28 19:20:01,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 658 states. [2019-11-28 19:20:01,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 927 transitions. [2019-11-28 19:20:01,225 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 927 transitions. Word has length 38 [2019-11-28 19:20:01,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 19:20:01,226 INFO L462 AbstractCegarLoop]: Abstraction has 658 states and 927 transitions. [2019-11-28 19:20:01,226 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 19:20:01,226 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 927 transitions. [2019-11-28 19:20:01,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-28 19:20:01,228 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 19:20:01,228 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 19:20:01,433 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 19:20:01,433 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 19:20:01,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 19:20:01,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1984056776, now seen corresponding path program 1 times [2019-11-28 19:20:01,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 19:20:01,434 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286620496] [2019-11-28 19:20:01,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 19:20:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 19:20:01,543 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 19:20:01,544 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286620496] [2019-11-28 19:20:01,544 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557340561] [2019-11-28 19:20:01,544 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 19:20:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 19:20:01,765 INFO L264 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 19:20:01,770 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 19:20:01,785 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-28 19:20:01,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 19:20:01,787 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2019-11-28 19:20:01,787 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993148315] [2019-11-28 19:20:01,788 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 19:20:01,788 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 19:20:01,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 19:20:01,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-28 19:20:01,789 INFO L87 Difference]: Start difference. First operand 658 states and 927 transitions. Second operand 3 states. [2019-11-28 19:20:01,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 19:20:01,883 INFO L93 Difference]: Finished difference Result 1964 states and 2767 transitions. [2019-11-28 19:20:01,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 19:20:01,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-11-28 19:20:01,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 19:20:01,894 INFO L225 Difference]: With dead ends: 1964 [2019-11-28 19:20:01,895 INFO L226 Difference]: Without dead ends: 1309 [2019-11-28 19:20:01,897 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-28 19:20:01,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2019-11-28 19:20:01,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 1300. [2019-11-28 19:20:01,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1300 states. [2019-11-28 19:20:01,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 1823 transitions. [2019-11-28 19:20:01,973 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 1823 transitions. Word has length 39 [2019-11-28 19:20:01,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 19:20:01,974 INFO L462 AbstractCegarLoop]: Abstraction has 1300 states and 1823 transitions. [2019-11-28 19:20:01,974 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 19:20:01,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1823 transitions. [2019-11-28 19:20:01,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-28 19:20:01,976 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 19:20:01,977 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 19:20:02,183 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 19:20:02,184 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 19:20:02,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 19:20:02,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1431972421, now seen corresponding path program 1 times [2019-11-28 19:20:02,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 19:20:02,185 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990645990] [2019-11-28 19:20:02,185 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 19:20:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 19:20:02,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 19:20:02,285 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990645990] [2019-11-28 19:20:02,285 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548597312] [2019-11-28 19:20:02,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 19:20:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 19:20:02,464 INFO L264 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 19:20:02,469 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 19:20:02,504 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-28 19:20:02,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 19:20:02,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2019-11-28 19:20:02,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458514705] [2019-11-28 19:20:02,506 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 19:20:02,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 19:20:02,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 19:20:02,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 19:20:02,507 INFO L87 Difference]: Start difference. First operand 1300 states and 1823 transitions. Second operand 3 states. [2019-11-28 19:20:02,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 19:20:02,615 INFO L93 Difference]: Finished difference Result 3616 states and 5107 transitions. [2019-11-28 19:20:02,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 19:20:02,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-11-28 19:20:02,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 19:20:02,629 INFO L225 Difference]: With dead ends: 3616 [2019-11-28 19:20:02,629 INFO L226 Difference]: Without dead ends: 2319 [2019-11-28 19:20:02,633 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 19:20:02,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2019-11-28 19:20:02,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 2316. [2019-11-28 19:20:02,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2316 states. [2019-11-28 19:20:02,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2316 states to 2316 states and 3269 transitions. [2019-11-28 19:20:02,741 INFO L78 Accepts]: Start accepts. Automaton has 2316 states and 3269 transitions. Word has length 40 [2019-11-28 19:20:02,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 19:20:02,741 INFO L462 AbstractCegarLoop]: Abstraction has 2316 states and 3269 transitions. [2019-11-28 19:20:02,742 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 19:20:02,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2316 states and 3269 transitions. [2019-11-28 19:20:02,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-28 19:20:02,744 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 19:20:02,744 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 19:20:02,952 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 19:20:02,952 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 19:20:02,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 19:20:02,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1668625743, now seen corresponding path program 1 times [2019-11-28 19:20:02,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 19:20:02,953 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097756144] [2019-11-28 19:20:02,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 19:20:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 19:20:03,068 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-28 19:20:03,069 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097756144] [2019-11-28 19:20:03,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 19:20:03,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 19:20:03,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316947029] [2019-11-28 19:20:03,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 19:20:03,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 19:20:03,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 19:20:03,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 19:20:03,071 INFO L87 Difference]: Start difference. First operand 2316 states and 3269 transitions. Second operand 5 states. [2019-11-28 19:20:03,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 19:20:03,434 INFO L93 Difference]: Finished difference Result 8628 states and 12165 transitions. [2019-11-28 19:20:03,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 19:20:03,435 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2019-11-28 19:20:03,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 19:20:03,469 INFO L225 Difference]: With dead ends: 8628 [2019-11-28 19:20:03,469 INFO L226 Difference]: Without dead ends: 6315 [2019-11-28 19:20:03,476 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 19:20:03,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6315 states. [2019-11-28 19:20:03,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6315 to 2364. [2019-11-28 19:20:03,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2364 states. [2019-11-28 19:20:03,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 2364 states and 3317 transitions. [2019-11-28 19:20:03,701 INFO L78 Accepts]: Start accepts. Automaton has 2364 states and 3317 transitions. Word has length 40 [2019-11-28 19:20:03,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 19:20:03,702 INFO L462 AbstractCegarLoop]: Abstraction has 2364 states and 3317 transitions. [2019-11-28 19:20:03,702 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 19:20:03,702 INFO L276 IsEmpty]: Start isEmpty. Operand 2364 states and 3317 transitions. [2019-11-28 19:20:03,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-28 19:20:03,705 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 19:20:03,705 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 19:20:03,705 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 19:20:03,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 19:20:03,706 INFO L82 PathProgramCache]: Analyzing trace with hash 388762065, now seen corresponding path program 1 times [2019-11-28 19:20:03,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 19:20:03,707 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782186027] [2019-11-28 19:20:03,707 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 19:20:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 19:20:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 19:20:03,908 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 19:20:03,908 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 19:20:03,958 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,960 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,960 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,961 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,964 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,965 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,966 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,966 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,967 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,967 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,967 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,968 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,968 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,968 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,968 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,969 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,970 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,970 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,970 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,971 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,971 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,971 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,972 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,972 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,972 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,973 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,973 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,973 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,974 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,976 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,976 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,976 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,977 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,977 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,977 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,978 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,978 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,979 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,979 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,979 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,980 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,980 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,980 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,981 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,981 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,981 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,982 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,982 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,982 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,983 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,983 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,986 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,988 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,989 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,989 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,989 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,990 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,990 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,991 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:03,991 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:04,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:20:04 BoogieIcfgContainer [2019-11-28 19:20:04,079 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 19:20:04,080 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 19:20:04,082 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 19:20:04,082 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 19:20:04,083 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:19:59" (3/4) ... [2019-11-28 19:20:04,089 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 19:20:04,089 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 19:20:04,092 INFO L168 Benchmark]: Toolchain (without parser) took 8199.99 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 357.0 MB). Free memory was 956.2 MB in the beginning and 1.2 GB in the end (delta: -273.7 MB). Peak memory consumption was 83.4 MB. Max. memory is 11.5 GB. [2019-11-28 19:20:04,096 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 19:20:04,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1309.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -149.8 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2019-11-28 19:20:04,099 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 19:20:04,101 INFO L168 Benchmark]: Boogie Preprocessor took 153.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 19:20:04,103 INFO L168 Benchmark]: RCFGBuilder took 1599.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 993.1 MB in the end (delta: 99.4 MB). Peak memory consumption was 99.4 MB. Max. memory is 11.5 GB. [2019-11-28 19:20:04,105 INFO L168 Benchmark]: TraceAbstraction took 4985.30 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.8 MB). Free memory was 993.1 MB in the beginning and 1.2 GB in the end (delta: -236.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 19:20:04,108 INFO L168 Benchmark]: Witness Printer took 9.74 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 19:20:04,112 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1309.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -149.8 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 136.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 153.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1599.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 993.1 MB in the end (delta: 99.4 MB). Peak memory consumption was 99.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4985.30 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.8 MB). Free memory was 993.1 MB in the beginning and 1.2 GB in the end (delta: -236.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 9.74 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3303]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 2945, overapproximation of bitwiseOr at line 2667. Possible FailurePath: [L2752] int ldv_irq_1_2 = 0; [L2753] int LDV_IN_INTERRUPT = 1; [L2754] int ldv_irq_1_3 = 0; [L2755] void *ldv_irq_data_1_1 ; [L2756] int ldv_irq_1_1 = 0; [L2757] int ldv_irq_1_0 = 0; [L2758] int probed_2 = 0; [L2759] int ldv_irq_line_1_3 ; [L2760] void *ldv_irq_data_1_0 ; [L2761] int ldv_state_variable_0 ; [L2762] int ldv_irq_line_1_0 ; [L2763] int ldv_state_variable_2 ; [L2764] void *ldv_irq_data_1_3 ; [L2765] int ref_cnt ; [L2766] int ldv_irq_line_1_1 ; [L2767] struct platform_device *iio_interrupt_trigger_driver_group1 ; [L2768] void *ldv_irq_data_1_2 ; [L2769] int ldv_state_variable_1 ; [L2770] int ldv_irq_line_1_2 ; [L2867] static struct iio_trigger_ops const iio_interrupt_trigger_ops = {& __this_module, 0, 0, 0}; [L2944-L2954] static struct platform_driver iio_interrupt_trigger_driver = {& iio_interrupt_trigger_probe, & iio_interrupt_trigger_remove, 0, 0, 0, {"iio_interrupt_trigger", 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0, (_Bool)0}; [L2970] int ldv_retval_0 ; [L2971] int ldv_retval_1 ; [L2974] int ldv_retval_2 ; [L3342] int ldv_module_refcounter = 1; VAL [__this_module={4294967297:4294967298}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={3:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, probed_2=0, ref_cnt=0] [L3123] int tmp ; [L3124] int tmp___0 ; [L3125] int tmp___1 ; VAL [__this_module={4294967297:4294967298}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={3:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, probed_2=0, ref_cnt=0] [L3128] ldv_state_variable_1 = 1 [L3129] ref_cnt = 0 [L3130] ldv_state_variable_0 = 1 [L3131] ldv_state_variable_2 = 0 VAL [__this_module={4294967297:4294967298}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={3:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, probed_2=0, ref_cnt=0] [L3133] tmp = __VERIFIER_nondet_int() [L3135] case 0: [L3141] case 1: VAL [__this_module={4294967297:4294967298}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={3:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, probed_2=0, ref_cnt=0] [L3142] COND TRUE ldv_state_variable_0 != 0 [L3143] tmp___0 = __VERIFIER_nondet_int() [L3145] case 0: [L3153] case 1: VAL [__this_module={4294967297:4294967298}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={3:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, probed_2=0, ref_cnt=0] [L3154] COND TRUE ldv_state_variable_0 == 1 [L2957] int tmp ; [L3280] ldv_func_ret_type___0 ldv_func_res ; [L3281] int tmp ; [L3410] return __VERIFIER_nondet_int(); [L3283] tmp = __platform_driver_register(ldv_func_arg1, ldv_func_arg2) [L3284] ldv_func_res = tmp [L3285] ldv_state_variable_2 = 1 [L3088] void *tmp ; [L2712] void *p ; [L2713] void *tmp ; [L2715] tmp = calloc(1UL, size) [L2716] p = tmp [L2718] return (p); VAL [__this_module={4294967297:4294967298}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={3:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3090] tmp = ldv_init_zalloc(1472UL) [L3091] iio_interrupt_trigger_driver_group1 = (struct platform_device *)tmp VAL [__this_module={4294967297:4294967298}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={3:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3287] return (ldv_func_res); VAL [__this_module={4294967297:4294967298}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={3:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2959] tmp = ldv___platform_driver_register_10(& iio_interrupt_trigger_driver, & __this_module) [L2960] return (tmp); VAL [__this_module={4294967297:4294967298}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={3:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3155] ldv_retval_0 = iio_interrupt_trigger_driver_init() [L3156] COND TRUE ldv_retval_0 == 0 [L3157] ldv_state_variable_0 = 3 VAL [__this_module={4294967297:4294967298}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={3:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3160] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={4294967297:4294967298}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={3:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3133] tmp = __VERIFIER_nondet_int() [L3135] case 0: [L3141] case 1: [L3175] case 2: VAL [__this_module={4294967297:4294967298}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={3:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3176] COND TRUE ldv_state_variable_2 != 0 [L3177] tmp___1 = __VERIFIER_nondet_int() [L3179] case 0: VAL [__this_module={4294967297:4294967298}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={3:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3180] COND TRUE ldv_state_variable_2 == 1 [L2870] struct iio_interrupt_trigger_info *trig_info ; [L2871] struct iio_trigger *trig ; [L2872] unsigned long irqflags ; [L2873] struct resource *irq_res ; [L2874] int irq ; [L2875] int ret ; [L2876] void *tmp ; [L2878] ret = 0 [L2678] void *p ; [L2679] void *tmp ; [L2680] int tmp___0 ; [L2682] tmp___0 = __VERIFIER_nondet_int() [L2683] COND FALSE !(tmp___0 != 0) [L2686] tmp = malloc(size) [L2687] p = tmp [L2689] return (p); VAL [__this_module={4294967297:4294967298}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={3:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3438] return ldv_malloc(sizeof(struct resource)); [L2879] irq_res = platform_get_resource(pdev, 1024U, 0U) [L2880] COND FALSE !((unsigned long )irq_res == (unsigned long )((struct resource *)0)) [L2884] EXPR irq_res->flags [L2884] irqflags = (irq_res->flags & 15UL) | 128UL [L2885] EXPR irq_res->start [L2885] irq = (int )irq_res->start [L2886] trig = iio_trigger_alloc("irqtrig%d", irq) VAL [__this_module={4294967297:4294967298}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={3:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2887] COND FALSE !((unsigned long )trig == (unsigned long )((struct iio_trigger *)0)) [L2665] void *tmp ; [L2656] void *tmp___2 ; [L2678] void *p ; [L2679] void *tmp ; [L2680] int tmp___0 ; [L2682] tmp___0 = __VERIFIER_nondet_int() [L2683] COND TRUE tmp___0 != 0 [L2684] return ((void *)0); VAL [__this_module={4294967297:4294967298}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={3:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2651] return ldv_malloc(size); [L2658] tmp___2 = __kmalloc(size, flags) [L2659] return (tmp___2); VAL [__this_module={4294967297:4294967298}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={3:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2667] tmp = kmalloc(size, flags | 32768U) [L2668] return (tmp); VAL [__this_module={4294967297:4294967298}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={3:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2892] tmp = kzalloc(4UL, 208U) [L2893] trig_info = (struct iio_interrupt_trigger_info *)tmp VAL [__this_module={4294967297:4294967298}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={3:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2894] COND TRUE (unsigned long )trig_info == (unsigned long )((struct iio_interrupt_trigger_info *)0) [L2895] ret = -12 VAL [__this_module={4294967297:4294967298}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={3:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2836] EXPR trig->ops [L2836] (trig->ops)->owner [L3373] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [__this_module={4294967297:4294967298}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={3:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3374] COND TRUE ldv_module_refcounter <= 1 VAL [__this_module={4294967297:4294967298}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={3:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3303] __VERIFIER_error() VAL [__this_module={4294967297:4294967298}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-18446744073709551617:0}, iio_interrupt_trigger_ops={3:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 178 locations, 4 error locations. Result: UNSAFE, OverallTime: 4.7s, OverallIterations: 9, TraceHistogramMax: 2, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1875 SDtfs, 1895 SDslu, 1989 SDs, 0 SdLazy, 88 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 148 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2364occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 4130 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 390 NumberOfCodeBlocks, 390 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 339 ConstructedInterpolants, 0 QuantifiedInterpolants, 28931 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1584 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 15/21 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: 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 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-11-28 19:20:06,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 19:20:06,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 19:20:06,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 19:20:06,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 19:20:06,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 19:20:06,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 19:20:06,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 19:20:06,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 19:20:06,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 19:20:06,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 19:20:06,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 19:20:06,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 19:20:06,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 19:20:06,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 19:20:06,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 19:20:06,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 19:20:06,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 19:20:06,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 19:20:06,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 19:20:06,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 19:20:06,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 19:20:06,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 19:20:06,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 19:20:06,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 19:20:06,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 19:20:06,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 19:20:06,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 19:20:06,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 19:20:06,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 19:20:06,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 19:20:06,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 19:20:06,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 19:20:06,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 19:20:06,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 19:20:06,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 19:20:06,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 19:20:06,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 19:20:06,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 19:20:06,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 19:20:06,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 19:20:06,231 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-11-28 19:20:06,264 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 19:20:06,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 19:20:06,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 19:20:06,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 19:20:06,269 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 19:20:06,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 19:20:06,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 19:20:06,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 19:20:06,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 19:20:06,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 19:20:06,271 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 19:20:06,271 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 19:20:06,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 19:20:06,271 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 19:20:06,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 19:20:06,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 19:20:06,272 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 19:20:06,272 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 19:20:06,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 19:20:06,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 19:20:06,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 19:20:06,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 19:20:06,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 19:20:06,278 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 19:20:06,278 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 19:20:06,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 19:20:06,278 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 19:20:06,278 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 19:20:06,279 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-11-28 19:20:06,279 INFO L138 SettingsManager]: * To the following directory=dump/ 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e0f5271b3ddc7b4a5ff7e7ec42981c4dbcef13b [2019-11-28 19:20:06,592 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 19:20:06,605 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 19:20:06,609 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 19:20:06,610 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 19:20:06,611 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 19:20:06,611 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2019-11-28 19:20:06,672 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca547ede2/435815b299644d4f897bc339f234b9eb/FLAG75443f98b [2019-11-28 19:20:07,346 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 19:20:07,350 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2019-11-28 19:20:07,384 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca547ede2/435815b299644d4f897bc339f234b9eb/FLAG75443f98b [2019-11-28 19:20:07,503 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca547ede2/435815b299644d4f897bc339f234b9eb [2019-11-28 19:20:07,506 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 19:20:07,508 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 19:20:07,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 19:20:07,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 19:20:07,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 19:20:07,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:20:07" (1/1) ... [2019-11-28 19:20:07,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@796fae81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:20:07, skipping insertion in model container [2019-11-28 19:20:07,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:20:07" (1/1) ... [2019-11-28 19:20:07,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 19:20:07,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 19:20:08,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 19:20:08,573 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 19:20:08,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 19:20:08,808 INFO L208 MainTranslator]: Completed translation [2019-11-28 19:20:08,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:20:08 WrapperNode [2019-11-28 19:20:08,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 19:20:08,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 19:20:08,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 19:20:08,810 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 19:20:08,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:20:08" (1/1) ... [2019-11-28 19:20:08,868 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:20:08" (1/1) ... [2019-11-28 19:20:08,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 19:20:08,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 19:20:08,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 19:20:08,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 19:20:08,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:20:08" (1/1) ... [2019-11-28 19:20:08,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:20:08" (1/1) ... [2019-11-28 19:20:08,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:20:08" (1/1) ... [2019-11-28 19:20:08,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:20:08" (1/1) ... [2019-11-28 19:20:09,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:20:08" (1/1) ... [2019-11-28 19:20:09,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:20:08" (1/1) ... [2019-11-28 19:20:09,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:20:08" (1/1) ... [2019-11-28 19:20:09,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 19:20:09,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 19:20:09,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 19:20:09,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 19:20:09,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:20:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 19:20:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 19:20:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 19:20:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2019-11-28 19:20:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 19:20:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 19:20:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 19:20:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 19:20:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-28 19:20:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-11-28 19:20:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-28 19:20:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 19:20:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 19:20:09,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 19:20:10,531 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 19:20:10,534 INFO L287 CfgBuilder]: Removed 182 assume(true) statements. [2019-11-28 19:20:10,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:20:10 BoogieIcfgContainer [2019-11-28 19:20:10,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 19:20:10,539 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 19:20:10,539 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 19:20:10,543 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 19:20:10,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:20:07" (1/3) ... [2019-11-28 19:20:10,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8cda02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:20:10, skipping insertion in model container [2019-11-28 19:20:10,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:20:08" (2/3) ... [2019-11-28 19:20:10,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8cda02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:20:10, skipping insertion in model container [2019-11-28 19:20:10,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:20:10" (3/3) ... [2019-11-28 19:20:10,552 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2019-11-28 19:20:10,563 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 19:20:10,572 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-28 19:20:10,587 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-28 19:20:10,621 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 19:20:10,621 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 19:20:10,622 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 19:20:10,622 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 19:20:10,622 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 19:20:10,623 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 19:20:10,623 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 19:20:10,623 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 19:20:10,660 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2019-11-28 19:20:10,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 19:20:10,672 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 19:20:10,673 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 19:20:10,674 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 19:20:10,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 19:20:10,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1062036277, now seen corresponding path program 1 times [2019-11-28 19:20:10,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 19:20:10,696 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [418401162] [2019-11-28 19:20:10,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-28 19:20:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 19:20:10,901 INFO L264 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 19:20:10,907 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 19:20:10,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 19:20:10,946 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 19:20:10,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 19:20:10,965 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [418401162] [2019-11-28 19:20:10,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 19:20:10,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-28 19:20:10,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158675175] [2019-11-28 19:20:10,973 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 19:20:10,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 19:20:10,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 19:20:10,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 19:20:10,992 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 4 states. [2019-11-28 19:20:11,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 19:20:11,177 INFO L93 Difference]: Finished difference Result 670 states and 967 transitions. [2019-11-28 19:20:11,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 19:20:11,179 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-11-28 19:20:11,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 19:20:11,197 INFO L225 Difference]: With dead ends: 670 [2019-11-28 19:20:11,198 INFO L226 Difference]: Without dead ends: 467 [2019-11-28 19:20:11,203 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 19:20:11,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2019-11-28 19:20:11,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 455. [2019-11-28 19:20:11,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2019-11-28 19:20:11,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 645 transitions. [2019-11-28 19:20:11,291 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 645 transitions. Word has length 13 [2019-11-28 19:20:11,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 19:20:11,292 INFO L462 AbstractCegarLoop]: Abstraction has 455 states and 645 transitions. [2019-11-28 19:20:11,292 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 19:20:11,292 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 645 transitions. [2019-11-28 19:20:11,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 19:20:11,294 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 19:20:11,294 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 19:20:11,507 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 19:20:11,508 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 19:20:11,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 19:20:11,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1283320232, now seen corresponding path program 1 times [2019-11-28 19:20:11,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 19:20:11,511 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [13964273] [2019-11-28 19:20:11,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-28 19:20:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 19:20:11,664 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 19:20:11,666 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 19:20:11,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 19:20:11,677 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 19:20:11,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 19:20:11,680 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [13964273] [2019-11-28 19:20:11,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 19:20:11,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-11-28 19:20:11,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586268666] [2019-11-28 19:20:11,682 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 19:20:11,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 19:20:11,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 19:20:11,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 19:20:11,683 INFO L87 Difference]: Start difference. First operand 455 states and 645 transitions. Second operand 3 states. [2019-11-28 19:20:11,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 19:20:11,758 INFO L93 Difference]: Finished difference Result 461 states and 649 transitions. [2019-11-28 19:20:11,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 19:20:11,759 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-28 19:20:11,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 19:20:11,762 INFO L225 Difference]: With dead ends: 461 [2019-11-28 19:20:11,763 INFO L226 Difference]: Without dead ends: 458 [2019-11-28 19:20:11,764 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 19:20:11,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2019-11-28 19:20:11,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 455. [2019-11-28 19:20:11,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2019-11-28 19:20:11,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 644 transitions. [2019-11-28 19:20:11,831 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 644 transitions. Word has length 20 [2019-11-28 19:20:11,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 19:20:11,833 INFO L462 AbstractCegarLoop]: Abstraction has 455 states and 644 transitions. [2019-11-28 19:20:11,836 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 19:20:11,836 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 644 transitions. [2019-11-28 19:20:11,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 19:20:11,839 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 19:20:11,839 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 19:20:12,065 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 19:20:12,065 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 19:20:12,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 19:20:12,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1283379814, now seen corresponding path program 1 times [2019-11-28 19:20:12,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 19:20:12,070 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [136088881] [2019-11-28 19:20:12,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-28 19:20:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 19:20:12,269 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 19:20:12,271 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 19:20:12,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 19:20:12,283 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 19:20:12,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 19:20:12,288 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [136088881] [2019-11-28 19:20:12,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 19:20:12,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 19:20:12,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485524050] [2019-11-28 19:20:12,290 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 19:20:12,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 19:20:12,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 19:20:12,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 19:20:12,291 INFO L87 Difference]: Start difference. First operand 455 states and 644 transitions. Second operand 3 states. [2019-11-28 19:20:12,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 19:20:12,392 INFO L93 Difference]: Finished difference Result 896 states and 1275 transitions. [2019-11-28 19:20:12,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 19:20:12,392 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-28 19:20:12,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 19:20:12,395 INFO L225 Difference]: With dead ends: 896 [2019-11-28 19:20:12,395 INFO L226 Difference]: Without dead ends: 441 [2019-11-28 19:20:12,398 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 19:20:12,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2019-11-28 19:20:12,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 297. [2019-11-28 19:20:12,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2019-11-28 19:20:12,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 415 transitions. [2019-11-28 19:20:12,421 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 415 transitions. Word has length 20 [2019-11-28 19:20:12,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 19:20:12,422 INFO L462 AbstractCegarLoop]: Abstraction has 297 states and 415 transitions. [2019-11-28 19:20:12,422 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 19:20:12,422 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 415 transitions. [2019-11-28 19:20:12,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 19:20:12,423 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 19:20:12,423 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 19:20:12,644 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 19:20:12,644 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 19:20:12,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 19:20:12,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1155007385, now seen corresponding path program 1 times [2019-11-28 19:20:12,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 19:20:12,647 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [281537178] [2019-11-28 19:20:12,647 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-28 19:20:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 19:20:12,825 INFO L264 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 19:20:12,827 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 19:20:12,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 19:20:12,836 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 19:20:12,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 19:20:12,840 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [281537178] [2019-11-28 19:20:12,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 19:20:12,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-11-28 19:20:12,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502575718] [2019-11-28 19:20:12,841 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 19:20:12,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 19:20:12,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 19:20:12,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 19:20:12,842 INFO L87 Difference]: Start difference. First operand 297 states and 415 transitions. Second operand 3 states. [2019-11-28 19:20:12,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 19:20:12,916 INFO L93 Difference]: Finished difference Result 706 states and 990 transitions. [2019-11-28 19:20:12,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 19:20:12,918 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-11-28 19:20:12,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 19:20:12,921 INFO L225 Difference]: With dead ends: 706 [2019-11-28 19:20:12,921 INFO L226 Difference]: Without dead ends: 412 [2019-11-28 19:20:12,922 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 19:20:12,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2019-11-28 19:20:12,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 410. [2019-11-28 19:20:12,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2019-11-28 19:20:12,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 574 transitions. [2019-11-28 19:20:12,950 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 574 transitions. Word has length 23 [2019-11-28 19:20:12,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 19:20:12,951 INFO L462 AbstractCegarLoop]: Abstraction has 410 states and 574 transitions. [2019-11-28 19:20:12,951 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 19:20:12,951 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 574 transitions. [2019-11-28 19:20:12,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-28 19:20:12,953 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 19:20:12,953 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 19:20:13,174 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 19:20:13,175 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 19:20:13,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 19:20:13,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1364814432, now seen corresponding path program 1 times [2019-11-28 19:20:13,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 19:20:13,176 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1701379509] [2019-11-28 19:20:13,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-28 19:20:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 19:20:13,381 INFO L264 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 19:20:13,385 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 19:20:13,398 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-28 19:20:13,398 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 19:20:13,412 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-28 19:20:13,412 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1701379509] [2019-11-28 19:20:13,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 19:20:13,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-11-28 19:20:13,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174901714] [2019-11-28 19:20:13,413 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 19:20:13,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 19:20:13,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 19:20:13,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 19:20:13,414 INFO L87 Difference]: Start difference. First operand 410 states and 574 transitions. Second operand 4 states. [2019-11-28 19:20:13,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 19:20:13,499 INFO L93 Difference]: Finished difference Result 1150 states and 1620 transitions. [2019-11-28 19:20:13,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 19:20:13,500 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2019-11-28 19:20:13,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 19:20:13,504 INFO L225 Difference]: With dead ends: 1150 [2019-11-28 19:20:13,505 INFO L226 Difference]: Without dead ends: 743 [2019-11-28 19:20:13,510 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 19:20:13,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2019-11-28 19:20:13,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 740. [2019-11-28 19:20:13,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 740 states. [2019-11-28 19:20:13,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1043 transitions. [2019-11-28 19:20:13,555 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1043 transitions. Word has length 38 [2019-11-28 19:20:13,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 19:20:13,556 INFO L462 AbstractCegarLoop]: Abstraction has 740 states and 1043 transitions. [2019-11-28 19:20:13,556 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 19:20:13,556 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1043 transitions. [2019-11-28 19:20:13,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-28 19:20:13,560 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 19:20:13,560 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 19:20:13,773 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-28 19:20:13,774 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 19:20:13,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 19:20:13,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1668625743, now seen corresponding path program 1 times [2019-11-28 19:20:13,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 19:20:13,776 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [927618960] [2019-11-28 19:20:13,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-11-28 19:20:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 19:20:13,977 INFO L264 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 19:20:13,980 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 19:20:14,020 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-28 19:20:14,020 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 19:20:14,084 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-28 19:20:14,084 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [927618960] [2019-11-28 19:20:14,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 19:20:14,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-28 19:20:14,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375739934] [2019-11-28 19:20:14,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 19:20:14,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 19:20:14,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 19:20:14,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-28 19:20:14,086 INFO L87 Difference]: Start difference. First operand 740 states and 1043 transitions. Second operand 8 states. [2019-11-28 19:20:14,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 19:20:14,380 INFO L93 Difference]: Finished difference Result 3366 states and 4727 transitions. [2019-11-28 19:20:14,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 19:20:14,381 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2019-11-28 19:20:14,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 19:20:14,395 INFO L225 Difference]: With dead ends: 3366 [2019-11-28 19:20:14,395 INFO L226 Difference]: Without dead ends: 2629 [2019-11-28 19:20:14,397 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-28 19:20:14,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2629 states. [2019-11-28 19:20:14,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2629 to 752. [2019-11-28 19:20:14,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 752 states. [2019-11-28 19:20:14,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1055 transitions. [2019-11-28 19:20:14,493 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1055 transitions. Word has length 40 [2019-11-28 19:20:14,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 19:20:14,493 INFO L462 AbstractCegarLoop]: Abstraction has 752 states and 1055 transitions. [2019-11-28 19:20:14,493 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 19:20:14,494 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1055 transitions. [2019-11-28 19:20:14,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-28 19:20:14,495 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 19:20:14,495 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 19:20:14,708 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-28 19:20:14,711 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 19:20:14,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 19:20:14,712 INFO L82 PathProgramCache]: Analyzing trace with hash 388762065, now seen corresponding path program 1 times [2019-11-28 19:20:14,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 19:20:14,714 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [416571750] [2019-11-28 19:20:14,714 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-11-28 19:20:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 19:20:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 19:20:15,357 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-28 19:20:15,358 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 19:20:15,572 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-28 19:20:15,614 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,615 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,616 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,617 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,618 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,619 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,620 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,620 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,621 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,622 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,623 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,623 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,625 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,625 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,626 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,626 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,627 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,627 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,629 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,629 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,630 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,630 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,631 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,632 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,632 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,633 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,633 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,634 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,635 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,635 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,636 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,638 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,639 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,639 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,640 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,640 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,643 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,644 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,644 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,645 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,645 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,646 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,648 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,649 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,649 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,649 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,650 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,650 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,651 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,652 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,652 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,653 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,653 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,654 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,654 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,655 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,655 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,656 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,656 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,656 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-28 19:20:15,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:20:15 BoogieIcfgContainer [2019-11-28 19:20:15,755 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 19:20:15,755 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 19:20:15,756 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 19:20:15,756 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 19:20:15,757 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:20:10" (3/4) ... [2019-11-28 19:20:15,761 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 19:20:15,761 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 19:20:15,764 INFO L168 Benchmark]: Toolchain (without parser) took 8255.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 213.4 MB). Free memory was 952.3 MB in the beginning and 765.8 MB in the end (delta: 186.5 MB). Peak memory consumption was 399.9 MB. Max. memory is 11.5 GB. [2019-11-28 19:20:15,765 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 19:20:15,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1300.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -80.3 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2019-11-28 19:20:15,771 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 19:20:15,772 INFO L168 Benchmark]: Boogie Preprocessor took 117.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-28 19:20:15,774 INFO L168 Benchmark]: RCFGBuilder took 1465.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 923.0 MB in the end (delta: 102.6 MB). Peak memory consumption was 102.6 MB. Max. memory is 11.5 GB. [2019-11-28 19:20:15,778 INFO L168 Benchmark]: TraceAbstraction took 5216.41 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 112.2 MB). Free memory was 923.0 MB in the beginning and 765.8 MB in the end (delta: 157.2 MB). Peak memory consumption was 269.4 MB. Max. memory is 11.5 GB. [2019-11-28 19:20:15,778 INFO L168 Benchmark]: Witness Printer took 5.54 ms. Allocated memory is still 1.2 GB. Free memory is still 765.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 19:20:15,791 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1300.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -80.3 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 142.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 117.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1465.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 923.0 MB in the end (delta: 102.6 MB). Peak memory consumption was 102.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5216.41 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 112.2 MB). Free memory was 923.0 MB in the beginning and 765.8 MB in the end (delta: 157.2 MB). Peak memory consumption was 269.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.54 ms. Allocated memory is still 1.2 GB. Free memory is still 765.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3303]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 2886. Possible FailurePath: [L2752] int ldv_irq_1_2 = 0; [L2753] int LDV_IN_INTERRUPT = 1; [L2754] int ldv_irq_1_3 = 0; [L2755] void *ldv_irq_data_1_1 ; [L2756] int ldv_irq_1_1 = 0; [L2757] int ldv_irq_1_0 = 0; [L2758] int probed_2 = 0; [L2759] int ldv_irq_line_1_3 ; [L2760] void *ldv_irq_data_1_0 ; [L2761] int ldv_state_variable_0 ; [L2762] int ldv_irq_line_1_0 ; [L2763] int ldv_state_variable_2 ; [L2764] void *ldv_irq_data_1_3 ; [L2765] int ref_cnt ; [L2766] int ldv_irq_line_1_1 ; [L2767] struct platform_device *iio_interrupt_trigger_driver_group1 ; [L2768] void *ldv_irq_data_1_2 ; [L2769] int ldv_state_variable_1 ; [L2770] int ldv_irq_line_1_2 ; [L2867] static struct iio_trigger_ops const iio_interrupt_trigger_ops = {& __this_module, 0, 0, 0}; [L2944-L2954] static struct platform_driver iio_interrupt_trigger_driver = {& iio_interrupt_trigger_probe, & iio_interrupt_trigger_remove, 0, 0, 0, {"iio_interrupt_trigger", 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0, (_Bool)0}; [L2970] int ldv_retval_0 ; [L2971] int ldv_retval_1 ; [L2974] int ldv_retval_2 ; [L3342] int ldv_module_refcounter = 1; VAL [__this_module={0:0}, iio_interrupt_trigger_driver={15:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={1610612751:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, probed_2=0, ref_cnt=0] [L3123] int tmp ; [L3124] int tmp___0 ; [L3125] int tmp___1 ; VAL [__this_module={0:0}, iio_interrupt_trigger_driver={15:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={1610612751:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, probed_2=0, ref_cnt=0] [L3128] ldv_state_variable_1 = 1 [L3129] ref_cnt = 0 [L3130] ldv_state_variable_0 = 1 [L3131] ldv_state_variable_2 = 0 VAL [__this_module={0:0}, iio_interrupt_trigger_driver={15:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={1610612751:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, probed_2=0, ref_cnt=0] [L3133] tmp = __VERIFIER_nondet_int() [L3135] case 0: [L3141] case 1: VAL [__this_module={0:0}, iio_interrupt_trigger_driver={15:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={1610612751:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, probed_2=0, ref_cnt=0] [L3142] COND TRUE ldv_state_variable_0 != 0 [L3143] tmp___0 = __VERIFIER_nondet_int() [L3145] case 0: [L3153] case 1: VAL [__this_module={0:0}, iio_interrupt_trigger_driver={15:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={1610612751:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, probed_2=0, ref_cnt=0] [L3154] COND TRUE ldv_state_variable_0 == 1 [L2957] int tmp ; [L3280] ldv_func_ret_type___0 ldv_func_res ; [L3281] int tmp ; [L3410] return __VERIFIER_nondet_int(); [L3283] tmp = __platform_driver_register(ldv_func_arg1, ldv_func_arg2) [L3284] ldv_func_res = tmp [L3285] ldv_state_variable_2 = 1 [L3088] void *tmp ; [L2712] void *p ; [L2713] void *tmp ; [L2715] tmp = calloc(1UL, size) [L2716] p = tmp [L2718] return (p); VAL [__this_module={0:0}, iio_interrupt_trigger_driver={15:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={1610612751:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3090] tmp = ldv_init_zalloc(1472UL) [L3091] iio_interrupt_trigger_driver_group1 = (struct platform_device *)tmp VAL [__this_module={0:0}, iio_interrupt_trigger_driver={15:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={1610612751:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3287] return (ldv_func_res); VAL [__this_module={0:0}, iio_interrupt_trigger_driver={15:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={1610612751:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2959] tmp = ldv___platform_driver_register_10(& iio_interrupt_trigger_driver, & __this_module) [L2960] return (tmp); VAL [__this_module={0:0}, iio_interrupt_trigger_driver={15:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={1610612751:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3155] ldv_retval_0 = iio_interrupt_trigger_driver_init() [L3156] COND TRUE ldv_retval_0 == 0 [L3157] ldv_state_variable_0 = 3 VAL [__this_module={0:0}, iio_interrupt_trigger_driver={15:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={1610612751:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3160] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={0:0}, iio_interrupt_trigger_driver={15:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={1610612751:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3133] tmp = __VERIFIER_nondet_int() [L3135] case 0: [L3141] case 1: [L3175] case 2: VAL [__this_module={0:0}, iio_interrupt_trigger_driver={15:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={1610612751:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3176] COND TRUE ldv_state_variable_2 != 0 [L3177] tmp___1 = __VERIFIER_nondet_int() [L3179] case 0: VAL [__this_module={0:0}, iio_interrupt_trigger_driver={15:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={1610612751:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3180] COND TRUE ldv_state_variable_2 == 1 [L2870] struct iio_interrupt_trigger_info *trig_info ; [L2871] struct iio_trigger *trig ; [L2872] unsigned long irqflags ; [L2873] struct resource *irq_res ; [L2874] int irq ; [L2875] int ret ; [L2876] void *tmp ; [L2878] ret = 0 [L2678] void *p ; [L2679] void *tmp ; [L2680] int tmp___0 ; [L2682] tmp___0 = __VERIFIER_nondet_int() [L2683] COND FALSE !(tmp___0 != 0) [L2686] tmp = malloc(size) [L2687] p = tmp [L2689] return (p); VAL [__this_module={0:0}, iio_interrupt_trigger_driver={15:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={1610612751:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3438] return ldv_malloc(sizeof(struct resource)); [L2879] irq_res = platform_get_resource(pdev, 1024U, 0U) [L2880] COND FALSE !((unsigned long )irq_res == (unsigned long )((struct resource *)0)) [L2884] EXPR irq_res->flags [L2884] irqflags = (irq_res->flags & 15UL) | 128UL [L2885] EXPR irq_res->start [L2885] irq = (int )irq_res->start [L2886] trig = iio_trigger_alloc("irqtrig%d", irq) VAL [__this_module={0:0}, iio_interrupt_trigger_driver={15:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={1610612751:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2887] COND FALSE !((unsigned long )trig == (unsigned long )((struct iio_trigger *)0)) [L2665] void *tmp ; [L2656] void *tmp___2 ; [L2678] void *p ; [L2679] void *tmp ; [L2680] int tmp___0 ; [L2682] tmp___0 = __VERIFIER_nondet_int() [L2683] COND TRUE tmp___0 != 0 [L2684] return ((void *)0); VAL [__this_module={0:0}, iio_interrupt_trigger_driver={15:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={1610612751:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2651] return ldv_malloc(size); [L2658] tmp___2 = __kmalloc(size, flags) [L2659] return (tmp___2); VAL [__this_module={0:0}, iio_interrupt_trigger_driver={15:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={1610612751:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2667] tmp = kmalloc(size, flags | 32768U) [L2668] return (tmp); VAL [__this_module={0:0}, iio_interrupt_trigger_driver={15:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={1610612751:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2892] tmp = kzalloc(4UL, 208U) [L2893] trig_info = (struct iio_interrupt_trigger_info *)tmp VAL [__this_module={0:0}, iio_interrupt_trigger_driver={15:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={1610612751:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2894] COND TRUE (unsigned long )trig_info == (unsigned long )((struct iio_interrupt_trigger_info *)0) [L2895] ret = -12 VAL [__this_module={0:0}, iio_interrupt_trigger_driver={15:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={1610612751:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2836] EXPR trig->ops [L2836] (trig->ops)->owner [L3373] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [__this_module={0:0}, iio_interrupt_trigger_driver={15:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={1610612751:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3374] COND TRUE ldv_module_refcounter <= 1 VAL [__this_module={0:0}, iio_interrupt_trigger_driver={15:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={1610612751:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3303] __VERIFIER_error() VAL [__this_module={0:0}, iio_interrupt_trigger_driver={15:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={1610612751:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 178 locations, 4 error locations. Result: UNSAFE, OverallTime: 4.9s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1444 SDtfs, 2448 SDslu, 2907 SDs, 0 SdLazy, 84 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 299 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=752occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 2041 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 19854 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1248 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: 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 Received shutdown request...