./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 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7151c4418a9328c011b7156ec8483a0f7556e371 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7151c4418a9328c011b7156ec8483a0f7556e371 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 19:17:05,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 19:17:05,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 19:17:06,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 19:17:06,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 19:17:06,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 19:17:06,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 19:17:06,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 19:17:06,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 19:17:06,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 19:17:06,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 19:17:06,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 19:17:06,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 19:17:06,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 19:17:06,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 19:17:06,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 19:17:06,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 19:17:06,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 19:17:06,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 19:17:06,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 19:17:06,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 19:17:06,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 19:17:06,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 19:17:06,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 19:17:06,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 19:17:06,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 19:17:06,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 19:17:06,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 19:17:06,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 19:17:06,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 19:17:06,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 19:17:06,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 19:17:06,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 19:17:06,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 19:17:06,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 19:17:06,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 19:17:06,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 19:17:06,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 19:17:06,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 19:17:06,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 19:17:06,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 19:17:06,063 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-08-26 19:17:06,098 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 19:17:06,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 19:17:06,099 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 19:17:06,099 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 19:17:06,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 19:17:06,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 19:17:06,101 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 19:17:06,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 19:17:06,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 19:17:06,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 19:17:06,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 19:17:06,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 19:17:06,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 19:17:06,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 19:17:06,103 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 19:17:06,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 19:17:06,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 19:17:06,103 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 19:17:06,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 19:17:06,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 19:17:06,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 19:17:06,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 19:17:06,104 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 19:17:06,104 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 19:17:06,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 19:17:06,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 19:17:06,105 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 19:17:06,105 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7151c4418a9328c011b7156ec8483a0f7556e371 [2021-08-26 19:17:06,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 19:17:06,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 19:17:06,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 19:17:06,483 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 19:17:06,484 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 19:17:06,485 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2021-08-26 19:17:06,553 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad6f7684c/26659fec4eb0440cad3ad72c1a00e8f5/FLAGd7c29a64c [2021-08-26 19:17:07,145 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 19:17:07,146 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 [2021-08-26 19:17:07,179 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad6f7684c/26659fec4eb0440cad3ad72c1a00e8f5/FLAGd7c29a64c [2021-08-26 19:17:07,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad6f7684c/26659fec4eb0440cad3ad72c1a00e8f5 [2021-08-26 19:17:07,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 19:17:07,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 19:17:07,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 19:17:07,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 19:17:07,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 19:17:07,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 07:17:07" (1/1) ... [2021-08-26 19:17:07,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47c0695d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:17:07, skipping insertion in model container [2021-08-26 19:17:07,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 07:17:07" (1/1) ... [2021-08-26 19:17:07,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 19:17:07,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 19:17:08,074 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i[90555,90568] [2021-08-26 19:17:08,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 19:17:08,121 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 19:17:08,259 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i[90555,90568] [2021-08-26 19:17:08,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 19:17:08,330 INFO L208 MainTranslator]: Completed translation [2021-08-26 19:17:08,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:17:08 WrapperNode [2021-08-26 19:17:08,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 19:17:08,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 19:17:08,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 19:17:08,333 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 19:17:08,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:17:08" (1/1) ... [2021-08-26 19:17:08,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:17:08" (1/1) ... [2021-08-26 19:17:08,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 19:17:08,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 19:17:08,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 19:17:08,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 19:17:08,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:17:08" (1/1) ... [2021-08-26 19:17:08,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:17:08" (1/1) ... [2021-08-26 19:17:08,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:17:08" (1/1) ... [2021-08-26 19:17:08,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:17:08" (1/1) ... [2021-08-26 19:17:08,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:17:08" (1/1) ... [2021-08-26 19:17:08,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:17:08" (1/1) ... [2021-08-26 19:17:08,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:17:08" (1/1) ... [2021-08-26 19:17:08,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 19:17:08,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 19:17:08,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 19:17:08,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 19:17:08,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:17:08" (1/1) ... [2021-08-26 19:17:08,550 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 19:17:08,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 19:17:08,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 19:17:08,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 19:17:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-26 19:17:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 19:17:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-26 19:17:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-26 19:17:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-26 19:17:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-26 19:17:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-26 19:17:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 19:17:08,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-26 19:17:08,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 19:17:08,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 19:17:09,976 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 19:17:09,977 INFO L299 CfgBuilder]: Removed 188 assume(true) statements. [2021-08-26 19:17:09,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 07:17:09 BoogieIcfgContainer [2021-08-26 19:17:09,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 19:17:09,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 19:17:09,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 19:17:09,983 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 19:17:09,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 07:17:07" (1/3) ... [2021-08-26 19:17:09,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f15bfdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 07:17:09, skipping insertion in model container [2021-08-26 19:17:09,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:17:08" (2/3) ... [2021-08-26 19:17:09,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f15bfdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 07:17:09, skipping insertion in model container [2021-08-26 19:17:09,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 07:17:09" (3/3) ... [2021-08-26 19:17:09,986 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2021-08-26 19:17:09,991 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 19:17:09,991 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-08-26 19:17:10,033 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 19:17:10,038 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 19:17:10,039 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-26 19:17:10,056 INFO L276 IsEmpty]: Start isEmpty. Operand has 184 states, 179 states have (on average 1.4636871508379887) internal successors, (262), 183 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:10,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-08-26 19:17:10,062 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 19:17:10,063 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 19:17:10,063 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-26 19:17:10,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 19:17:10,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1062036949, now seen corresponding path program 1 times [2021-08-26 19:17:10,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 19:17:10,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866389007] [2021-08-26 19:17:10,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 19:17:10,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 19:17:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 19:17:10,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 19:17:10,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 19:17:10,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866389007] [2021-08-26 19:17:10,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866389007] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 19:17:10,357 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 19:17:10,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 19:17:10,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317648399] [2021-08-26 19:17:10,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 19:17:10,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 19:17:10,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 19:17:10,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 19:17:10,383 INFO L87 Difference]: Start difference. First operand has 184 states, 179 states have (on average 1.4636871508379887) internal successors, (262), 183 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:10,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 19:17:10,529 INFO L93 Difference]: Finished difference Result 528 states and 760 transitions. [2021-08-26 19:17:10,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 19:17:10,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-08-26 19:17:10,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 19:17:10,548 INFO L225 Difference]: With dead ends: 528 [2021-08-26 19:17:10,548 INFO L226 Difference]: Without dead ends: 327 [2021-08-26 19:17:10,552 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 19:17:10,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2021-08-26 19:17:10,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 321. [2021-08-26 19:17:10,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 317 states have (on average 1.4100946372239747) internal successors, (447), 320 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:10,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 447 transitions. [2021-08-26 19:17:10,625 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 447 transitions. Word has length 13 [2021-08-26 19:17:10,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 19:17:10,625 INFO L470 AbstractCegarLoop]: Abstraction has 321 states and 447 transitions. [2021-08-26 19:17:10,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:10,626 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 447 transitions. [2021-08-26 19:17:10,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-26 19:17:10,627 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 19:17:10,627 INFO L512 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] [2021-08-26 19:17:10,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 19:17:10,628 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-26 19:17:10,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 19:17:10,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1756927926, now seen corresponding path program 1 times [2021-08-26 19:17:10,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 19:17:10,630 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651102974] [2021-08-26 19:17:10,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 19:17:10,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 19:17:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 19:17:10,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 19:17:10,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 19:17:10,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651102974] [2021-08-26 19:17:10,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651102974] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 19:17:10,764 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 19:17:10,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 19:17:10,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273271153] [2021-08-26 19:17:10,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 19:17:10,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 19:17:10,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 19:17:10,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 19:17:10,772 INFO L87 Difference]: Start difference. First operand 321 states and 447 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:10,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 19:17:10,810 INFO L93 Difference]: Finished difference Result 327 states and 451 transitions. [2021-08-26 19:17:10,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 19:17:10,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-08-26 19:17:10,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 19:17:10,813 INFO L225 Difference]: With dead ends: 327 [2021-08-26 19:17:10,813 INFO L226 Difference]: Without dead ends: 324 [2021-08-26 19:17:10,814 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 19:17:10,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2021-08-26 19:17:10,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 321. [2021-08-26 19:17:10,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 317 states have (on average 1.4069400630914826) internal successors, (446), 320 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:10,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 446 transitions. [2021-08-26 19:17:10,836 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 446 transitions. Word has length 22 [2021-08-26 19:17:10,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 19:17:10,837 INFO L470 AbstractCegarLoop]: Abstraction has 321 states and 446 transitions. [2021-08-26 19:17:10,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:10,837 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 446 transitions. [2021-08-26 19:17:10,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-26 19:17:10,842 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 19:17:10,843 INFO L512 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] [2021-08-26 19:17:10,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 19:17:10,843 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-26 19:17:10,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 19:17:10,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1756868344, now seen corresponding path program 1 times [2021-08-26 19:17:10,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 19:17:10,846 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165470291] [2021-08-26 19:17:10,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 19:17:10,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 19:17:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 19:17:10,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 19:17:10,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 19:17:10,959 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165470291] [2021-08-26 19:17:10,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165470291] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 19:17:10,959 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 19:17:10,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 19:17:10,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369311448] [2021-08-26 19:17:10,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 19:17:10,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 19:17:10,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 19:17:10,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 19:17:10,962 INFO L87 Difference]: Start difference. First operand 321 states and 446 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:10,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 19:17:10,982 INFO L93 Difference]: Finished difference Result 631 states and 882 transitions. [2021-08-26 19:17:10,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 19:17:10,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-08-26 19:17:10,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 19:17:10,985 INFO L225 Difference]: With dead ends: 631 [2021-08-26 19:17:10,985 INFO L226 Difference]: Without dead ends: 310 [2021-08-26 19:17:10,987 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 19:17:10,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-08-26 19:17:10,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 307. [2021-08-26 19:17:10,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 304 states have (on average 1.3980263157894737) internal successors, (425), 306 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:10,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 425 transitions. [2021-08-26 19:17:10,999 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 425 transitions. Word has length 22 [2021-08-26 19:17:10,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 19:17:10,999 INFO L470 AbstractCegarLoop]: Abstraction has 307 states and 425 transitions. [2021-08-26 19:17:11,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:11,000 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 425 transitions. [2021-08-26 19:17:11,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-26 19:17:11,001 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 19:17:11,001 INFO L512 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] [2021-08-26 19:17:11,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 19:17:11,001 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-26 19:17:11,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 19:17:11,002 INFO L82 PathProgramCache]: Analyzing trace with hash -2000431289, now seen corresponding path program 1 times [2021-08-26 19:17:11,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 19:17:11,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273366078] [2021-08-26 19:17:11,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 19:17:11,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 19:17:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 19:17:11,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 19:17:11,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 19:17:11,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273366078] [2021-08-26 19:17:11,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273366078] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 19:17:11,046 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 19:17:11,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 19:17:11,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938778056] [2021-08-26 19:17:11,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 19:17:11,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 19:17:11,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 19:17:11,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 19:17:11,048 INFO L87 Difference]: Start difference. First operand 307 states and 425 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:11,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 19:17:11,092 INFO L93 Difference]: Finished difference Result 726 states and 1010 transitions. [2021-08-26 19:17:11,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 19:17:11,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-08-26 19:17:11,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 19:17:11,095 INFO L225 Difference]: With dead ends: 726 [2021-08-26 19:17:11,095 INFO L226 Difference]: Without dead ends: 422 [2021-08-26 19:17:11,096 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 19:17:11,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2021-08-26 19:17:11,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 420. [2021-08-26 19:17:11,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 417 states have (on average 1.4004796163069544) internal successors, (584), 419 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:11,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 584 transitions. [2021-08-26 19:17:11,110 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 584 transitions. Word has length 23 [2021-08-26 19:17:11,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 19:17:11,110 INFO L470 AbstractCegarLoop]: Abstraction has 420 states and 584 transitions. [2021-08-26 19:17:11,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:11,111 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 584 transitions. [2021-08-26 19:17:11,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-08-26 19:17:11,112 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 19:17:11,112 INFO L512 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] [2021-08-26 19:17:11,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 19:17:11,112 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-26 19:17:11,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 19:17:11,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1614174000, now seen corresponding path program 1 times [2021-08-26 19:17:11,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 19:17:11,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688950890] [2021-08-26 19:17:11,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 19:17:11,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 19:17:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 19:17:11,232 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 19:17:11,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 19:17:11,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688950890] [2021-08-26 19:17:11,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688950890] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 19:17:11,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831450552] [2021-08-26 19:17:11,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 19:17:11,233 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 19:17:11,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 19:17:11,237 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 19:17:11,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-26 19:17:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 19:17:11,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-26 19:17:11,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 19:17:11,792 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-26 19:17:11,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831450552] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 19:17:11,793 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-26 19:17:11,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-08-26 19:17:11,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947878101] [2021-08-26 19:17:11,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 19:17:11,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 19:17:11,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 19:17:11,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 19:17:11,795 INFO L87 Difference]: Start difference. First operand 420 states and 584 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:11,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 19:17:11,863 INFO L93 Difference]: Finished difference Result 1180 states and 1650 transitions. [2021-08-26 19:17:11,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 19:17:11,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-08-26 19:17:11,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 19:17:11,867 INFO L225 Difference]: With dead ends: 1180 [2021-08-26 19:17:11,871 INFO L226 Difference]: Without dead ends: 763 [2021-08-26 19:17:11,872 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 40.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 19:17:11,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2021-08-26 19:17:11,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 760. [2021-08-26 19:17:11,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 757 states have (on average 1.404227212681638) internal successors, (1063), 759 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:11,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1063 transitions. [2021-08-26 19:17:11,925 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1063 transitions. Word has length 40 [2021-08-26 19:17:11,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 19:17:11,925 INFO L470 AbstractCegarLoop]: Abstraction has 760 states and 1063 transitions. [2021-08-26 19:17:11,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:11,926 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1063 transitions. [2021-08-26 19:17:11,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-08-26 19:17:11,927 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 19:17:11,927 INFO L512 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, 1, 1] [2021-08-26 19:17:11,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-26 19:17:12,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 19:17:12,141 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-26 19:17:12,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 19:17:12,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1175975864, now seen corresponding path program 1 times [2021-08-26 19:17:12,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 19:17:12,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142586386] [2021-08-26 19:17:12,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 19:17:12,142 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 19:17:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 19:17:12,311 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-26 19:17:12,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 19:17:12,312 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142586386] [2021-08-26 19:17:12,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142586386] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 19:17:12,319 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 19:17:12,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 19:17:12,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725923303] [2021-08-26 19:17:12,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 19:17:12,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 19:17:12,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 19:17:12,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 19:17:12,321 INFO L87 Difference]: Start difference. First operand 760 states and 1063 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:12,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 19:17:12,460 INFO L93 Difference]: Finished difference Result 2832 states and 3961 transitions. [2021-08-26 19:17:12,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 19:17:12,460 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-08-26 19:17:12,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 19:17:12,469 INFO L225 Difference]: With dead ends: 2832 [2021-08-26 19:17:12,470 INFO L226 Difference]: Without dead ends: 2075 [2021-08-26 19:17:12,472 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 51.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 19:17:12,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2075 states. [2021-08-26 19:17:12,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2075 to 772. [2021-08-26 19:17:12,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 769 states have (on average 1.3979193758127437) internal successors, (1075), 771 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:12,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1075 transitions. [2021-08-26 19:17:12,547 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1075 transitions. Word has length 42 [2021-08-26 19:17:12,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 19:17:12,548 INFO L470 AbstractCegarLoop]: Abstraction has 772 states and 1075 transitions. [2021-08-26 19:17:12,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:12,548 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1075 transitions. [2021-08-26 19:17:12,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-08-26 19:17:12,550 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 19:17:12,550 INFO L512 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, 1, 1, 1, 1] [2021-08-26 19:17:12,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 19:17:12,551 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-26 19:17:12,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 19:17:12,551 INFO L82 PathProgramCache]: Analyzing trace with hash -349191332, now seen corresponding path program 1 times [2021-08-26 19:17:12,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 19:17:12,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165453503] [2021-08-26 19:17:12,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 19:17:12,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 19:17:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 19:17:12,624 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-26 19:17:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 19:17:12,734 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-26 19:17:12,734 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-26 19:17:12,735 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 19:17:12,737 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 19:17:12,737 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 19:17:12,737 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 19:17:12,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 19:17:12,742 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 19:17:12,770 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,772 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,772 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,773 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,773 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,773 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,774 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,774 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,774 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,775 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,775 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,775 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,776 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,779 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,780 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,780 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,780 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,780 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,781 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,781 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,781 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,781 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,781 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,782 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,782 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,782 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,782 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,783 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,783 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,783 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,783 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,783 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,783 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,784 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,784 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,784 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,784 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,784 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,785 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,785 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,785 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,785 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,785 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,786 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,786 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,786 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,787 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,787 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,787 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,787 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,788 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,788 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,788 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,788 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,789 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,789 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,789 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,789 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,790 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,790 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,790 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,791 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,791 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,791 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,792 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,792 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,792 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,792 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:12,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 07:17:12 BoogieIcfgContainer [2021-08-26 19:17:12,899 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 19:17:12,899 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 19:17:12,900 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 19:17:12,900 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 19:17:12,901 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 07:17:09" (3/4) ... [2021-08-26 19:17:12,904 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-26 19:17:12,904 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 19:17:12,908 INFO L168 Benchmark]: Toolchain (without parser) took 5362.05 ms. Allocated memory was 62.9 MB in the beginning and 176.2 MB in the end (delta: 113.2 MB). Free memory was 38.8 MB in the beginning and 86.8 MB in the end (delta: -48.0 MB). Peak memory consumption was 64.5 MB. Max. memory is 16.1 GB. [2021-08-26 19:17:12,908 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 62.9 MB. Free memory is still 44.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 19:17:12,909 INFO L168 Benchmark]: CACSL2BoogieTranslator took 788.80 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 38.6 MB in the beginning and 50.0 MB in the end (delta: -11.4 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. [2021-08-26 19:17:12,912 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.81 ms. Allocated memory is still 77.6 MB. Free memory was 50.0 MB in the beginning and 44.1 MB in the end (delta: 5.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-08-26 19:17:12,912 INFO L168 Benchmark]: Boogie Preprocessor took 101.27 ms. Allocated memory is still 77.6 MB. Free memory was 44.1 MB in the beginning and 39.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 19:17:12,912 INFO L168 Benchmark]: RCFGBuilder took 1437.43 ms. Allocated memory was 77.6 MB in the beginning and 117.4 MB in the end (delta: 39.8 MB). Free memory was 39.1 MB in the beginning and 69.4 MB in the end (delta: -30.2 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. [2021-08-26 19:17:12,913 INFO L168 Benchmark]: TraceAbstraction took 2918.23 ms. Allocated memory was 117.4 MB in the beginning and 176.2 MB in the end (delta: 58.7 MB). Free memory was 68.7 MB in the beginning and 86.8 MB in the end (delta: -18.1 MB). Peak memory consumption was 40.5 MB. Max. memory is 16.1 GB. [2021-08-26 19:17:12,913 INFO L168 Benchmark]: Witness Printer took 4.53 ms. Allocated memory is still 176.2 MB. Free memory is still 86.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 19:17:12,916 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 62.9 MB. Free memory is still 44.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 788.80 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 38.6 MB in the beginning and 50.0 MB in the end (delta: -11.4 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.81 ms. Allocated memory is still 77.6 MB. Free memory was 50.0 MB in the beginning and 44.1 MB in the end (delta: 5.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 101.27 ms. Allocated memory is still 77.6 MB. Free memory was 44.1 MB in the beginning and 39.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1437.43 ms. Allocated memory was 77.6 MB in the beginning and 117.4 MB in the end (delta: 39.8 MB). Free memory was 39.1 MB in the beginning and 69.4 MB in the end (delta: -30.2 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2918.23 ms. Allocated memory was 117.4 MB in the beginning and 176.2 MB in the end (delta: 58.7 MB). Free memory was 68.7 MB in the beginning and 86.8 MB in the end (delta: -18.1 MB). Peak memory consumption was 40.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.53 ms. Allocated memory is still 176.2 MB. Free memory is still 86.8 MB. There was no memory consumed. Max. memory is 16.1 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 - 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: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 3317]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 2959, overapproximation of bitwiseOr at line 2678. Possible FailurePath: [L2766] int ldv_irq_1_2 = 0; [L2767] int LDV_IN_INTERRUPT = 1; [L2768] int ldv_irq_1_3 = 0; [L2769] void *ldv_irq_data_1_1 ; [L2770] int ldv_irq_1_1 = 0; [L2771] int ldv_irq_1_0 = 0; [L2772] int probed_2 = 0; [L2773] int ldv_irq_line_1_3 ; [L2774] void *ldv_irq_data_1_0 ; [L2775] int ldv_state_variable_0 ; [L2776] int ldv_irq_line_1_0 ; [L2777] int ldv_state_variable_2 ; [L2778] void *ldv_irq_data_1_3 ; [L2779] int ref_cnt ; [L2780] int ldv_irq_line_1_1 ; [L2781] struct platform_device *iio_interrupt_trigger_driver_group1 ; [L2782] void *ldv_irq_data_1_2 ; [L2783] int ldv_state_variable_1 ; [L2784] int ldv_irq_line_1_2 ; [L2881] static struct iio_trigger_ops const iio_interrupt_trigger_ops = {& __this_module, 0, 0, 0}; [L2958-L2968] 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}; [L2984] int ldv_retval_0 ; [L2985] int ldv_retval_1 ; [L2988] int ldv_retval_2 ; [L3356] int ldv_module_refcounter = 1; VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={7:0}, 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] [L3137] int tmp ; [L3138] int tmp___0 ; [L3139] int tmp___1 ; VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={7:0}, 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] [L3142] ldv_state_variable_1 = 1 [L3143] ref_cnt = 0 [L3144] ldv_state_variable_0 = 1 [L3145] ldv_state_variable_2 = 0 VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={7:0}, 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] [L3147] tmp = __VERIFIER_nondet_int() [L3149] case 0: [L3155] case 1: VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={7:0}, 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] [L3156] COND TRUE ldv_state_variable_0 != 0 [L3157] tmp___0 = __VERIFIER_nondet_int() [L3159] case 0: [L3167] case 1: VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={7:0}, 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] [L3168] COND TRUE ldv_state_variable_0 == 1 [L2971] int tmp ; [L3294] ldv_func_ret_type___0 ldv_func_res ; [L3295] int tmp ; [L3424] return __VERIFIER_nondet_int(); [L3297] tmp = __platform_driver_register(ldv_func_arg1, ldv_func_arg2) [L3298] ldv_func_res = tmp [L3299] ldv_state_variable_2 = 1 [L3102] void *tmp ; [L2726] void *p ; [L2727] void *tmp ; [L2729] tmp = calloc(1UL, size) [L2730] p = tmp [L2688] COND FALSE !(!cond) VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={7:0}, 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] [L2732] return (p); VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={7:0}, 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] [L3104] tmp = ldv_init_zalloc(1472UL) [L3105] iio_interrupt_trigger_driver_group1 = (struct platform_device *)tmp VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, 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] [L3301] return (ldv_func_res); VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, 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] [L2973] tmp = ldv___platform_driver_register_10(& iio_interrupt_trigger_driver, & __this_module) [L2974] return (tmp); VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, 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] [L3169] ldv_retval_0 = iio_interrupt_trigger_driver_init() [L3170] COND TRUE ldv_retval_0 == 0 [L3171] ldv_state_variable_0 = 3 VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, 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] [L3174] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, 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] [L3147] tmp = __VERIFIER_nondet_int() [L3149] case 0: [L3155] case 1: [L3189] case 2: VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, 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] [L3190] COND TRUE ldv_state_variable_2 != 0 [L3191] tmp___1 = __VERIFIER_nondet_int() [L3193] case 0: VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, 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] [L3194] COND TRUE ldv_state_variable_2 == 1 [L2884] struct iio_interrupt_trigger_info *trig_info ; [L2885] struct iio_trigger *trig ; [L2886] unsigned long irqflags ; [L2887] struct resource *irq_res ; [L2888] int irq ; [L2889] int ret ; [L2890] void *tmp ; [L2892] ret = 0 [L2692] void *p ; [L2693] void *tmp ; [L2694] int tmp___0 ; [L2696] tmp___0 = __VERIFIER_nondet_int() [L2697] COND FALSE !(tmp___0 != 0) [L2700] tmp = malloc(size) [L2701] p = tmp [L2688] COND FALSE !(!cond) VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, 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] [L2703] return (p); VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, 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] [L3452] return ldv_malloc(sizeof(struct resource)); [L2893] irq_res = platform_get_resource(pdev, 1024U, 0U) [L2894] COND FALSE !((unsigned long )irq_res == (unsigned long )((struct resource *)0)) [L2898] EXPR irq_res->flags [L2898] irqflags = (irq_res->flags & 15UL) | 128UL [L2899] EXPR irq_res->start [L2899] irq = (int )irq_res->start [L2900] trig = iio_trigger_alloc("irqtrig%d", irq) VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, 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] [L2901] COND FALSE !((unsigned long )trig == (unsigned long )((struct iio_trigger *)0)) [L2676] void *tmp ; [L2667] void *tmp___2 ; [L2692] void *p ; [L2693] void *tmp ; [L2694] int tmp___0 ; [L2696] tmp___0 = __VERIFIER_nondet_int() [L2697] COND TRUE tmp___0 != 0 [L2698] return ((void *)0); VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, 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] [L2662] return ldv_malloc(size); [L2669] tmp___2 = __kmalloc(size, flags) [L2670] return (tmp___2); VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, 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] [L2678] tmp = kmalloc(size, flags | 32768U) [L2679] return (tmp); VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, 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] [L2906] tmp = kzalloc(4UL, 208U) [L2907] trig_info = (struct iio_interrupt_trigger_info *)tmp VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, 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] [L2908] COND TRUE (unsigned long )trig_info == (unsigned long )((struct iio_interrupt_trigger_info *)0) [L2909] ret = -12 VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, 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] [L2850] EXPR trig->ops [L2850] (trig->ops)->owner [L3387] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, 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] [L3388] COND TRUE ldv_module_refcounter <= 1 VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, 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] [L3317] reach_error() VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, 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] - UnprovableResult [Line: 3317]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3317]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3317]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 184 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2710.1ms, OverallIterations: 7, TraceHistogramMax: 2, EmptinessCheckTime: 21.5ms, AutomataDifference: 539.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1482 SDtfs, 1576 SDslu, 1625 SDs, 0 SdLazy, 62 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 120.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 109.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=772occurred in iteration=6, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 236.2ms AutomataMinimizationTime, 6 MinimizatonAttempts, 1320 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 81.3ms SsaConstructionTime, 318.0ms SatisfiabilityAnalysisTime, 782.6ms InterpolantComputationTime, 246 NumberOfCodeBlocks, 246 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 195 ConstructedInterpolants, 0 QuantifiedInterpolants, 414 SizeOfPredicates, 0 NumberOfNonLiveVariables, 547 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 7/9 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-08-26 19:17:12,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 19:17:14,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 19:17:14,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 19:17:14,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 19:17:14,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 19:17:14,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 19:17:14,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 19:17:14,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 19:17:14,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 19:17:14,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 19:17:14,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 19:17:14,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 19:17:14,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 19:17:14,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 19:17:14,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 19:17:14,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 19:17:14,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 19:17:14,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 19:17:14,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 19:17:14,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 19:17:14,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 19:17:14,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 19:17:14,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 19:17:14,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 19:17:14,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 19:17:14,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 19:17:14,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 19:17:14,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 19:17:14,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 19:17:14,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 19:17:14,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 19:17:14,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 19:17:14,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 19:17:14,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 19:17:14,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 19:17:14,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 19:17:14,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 19:17:14,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 19:17:14,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 19:17:14,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 19:17:14,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 19:17:14,935 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-08-26 19:17:14,972 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 19:17:14,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 19:17:14,973 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 19:17:14,973 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 19:17:14,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 19:17:14,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 19:17:14,975 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 19:17:14,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 19:17:14,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 19:17:14,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 19:17:14,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 19:17:14,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 19:17:14,977 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-26 19:17:14,978 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-26 19:17:14,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 19:17:14,978 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 19:17:14,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 19:17:14,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 19:17:14,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 19:17:14,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 19:17:14,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 19:17:14,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 19:17:14,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 19:17:14,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 19:17:14,980 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-26 19:17:14,980 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-26 19:17:14,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 19:17:14,980 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 19:17:14,980 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-26 19:17:14,981 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7151c4418a9328c011b7156ec8483a0f7556e371 [2021-08-26 19:17:15,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 19:17:15,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 19:17:15,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 19:17:15,355 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 19:17:15,356 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 19:17:15,357 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2021-08-26 19:17:15,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49bac101e/d9eb1b86a3e3479ea4cf56271c8f5cf3/FLAG9f40e2ef4 [2021-08-26 19:17:15,959 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 19:17:15,961 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 [2021-08-26 19:17:15,993 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49bac101e/d9eb1b86a3e3479ea4cf56271c8f5cf3/FLAG9f40e2ef4 [2021-08-26 19:17:16,441 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49bac101e/d9eb1b86a3e3479ea4cf56271c8f5cf3 [2021-08-26 19:17:16,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 19:17:16,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 19:17:16,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 19:17:16,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 19:17:16,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 19:17:16,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 07:17:16" (1/1) ... [2021-08-26 19:17:16,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c03297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:17:16, skipping insertion in model container [2021-08-26 19:17:16,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 07:17:16" (1/1) ... [2021-08-26 19:17:16,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 19:17:16,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 19:17:17,126 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i[90555,90568] [2021-08-26 19:17:17,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 19:17:17,186 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 19:17:17,335 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i[90555,90568] [2021-08-26 19:17:17,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 19:17:17,382 INFO L208 MainTranslator]: Completed translation [2021-08-26 19:17:17,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:17:17 WrapperNode [2021-08-26 19:17:17,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 19:17:17,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 19:17:17,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 19:17:17,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 19:17:17,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:17:17" (1/1) ... [2021-08-26 19:17:17,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:17:17" (1/1) ... [2021-08-26 19:17:17,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 19:17:17,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 19:17:17,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 19:17:17,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 19:17:17,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:17:17" (1/1) ... [2021-08-26 19:17:17,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:17:17" (1/1) ... [2021-08-26 19:17:17,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:17:17" (1/1) ... [2021-08-26 19:17:17,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:17:17" (1/1) ... [2021-08-26 19:17:17,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:17:17" (1/1) ... [2021-08-26 19:17:17,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:17:17" (1/1) ... [2021-08-26 19:17:17,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:17:17" (1/1) ... [2021-08-26 19:17:17,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 19:17:17,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 19:17:17,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 19:17:17,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 19:17:17,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:17:17" (1/1) ... [2021-08-26 19:17:17,646 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 19:17:17,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 19:17:17,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 19:17:17,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 19:17:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-26 19:17:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 19:17:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-08-26 19:17:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-08-26 19:17:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-26 19:17:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-26 19:17:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-08-26 19:17:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-26 19:17:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-08-26 19:17:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-08-26 19:17:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-26 19:17:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 19:17:17,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 19:17:18,959 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 19:17:18,959 INFO L299 CfgBuilder]: Removed 188 assume(true) statements. [2021-08-26 19:17:18,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 07:17:18 BoogieIcfgContainer [2021-08-26 19:17:18,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 19:17:18,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 19:17:18,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 19:17:18,976 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 19:17:18,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 07:17:16" (1/3) ... [2021-08-26 19:17:18,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f2b9742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 07:17:18, skipping insertion in model container [2021-08-26 19:17:18,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:17:17" (2/3) ... [2021-08-26 19:17:18,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f2b9742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 07:17:18, skipping insertion in model container [2021-08-26 19:17:18,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 07:17:18" (3/3) ... [2021-08-26 19:17:18,979 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2021-08-26 19:17:18,984 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 19:17:18,984 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-08-26 19:17:19,035 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 19:17:19,040 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 19:17:19,040 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-26 19:17:19,055 INFO L276 IsEmpty]: Start isEmpty. Operand has 184 states, 179 states have (on average 1.4636871508379887) internal successors, (262), 183 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:19,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-08-26 19:17:19,061 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 19:17:19,061 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 19:17:19,062 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-26 19:17:19,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 19:17:19,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1062036949, now seen corresponding path program 1 times [2021-08-26 19:17:19,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 19:17:19,078 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1303793552] [2021-08-26 19:17:19,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 19:17:19,079 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 19:17:19,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 19:17:19,081 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-26 19:17:19,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-26 19:17:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 19:17:19,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-26 19:17:19,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 19:17:19,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 19:17:19,567 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 19:17:19,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 19:17:19,684 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 19:17:19,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1303793552] [2021-08-26 19:17:19,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1303793552] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 19:17:19,685 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 19:17:19,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-08-26 19:17:19,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447314930] [2021-08-26 19:17:19,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 19:17:19,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 19:17:19,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 19:17:19,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-26 19:17:19,703 INFO L87 Difference]: Start difference. First operand has 184 states, 179 states have (on average 1.4636871508379887) internal successors, (262), 183 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:19,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 19:17:19,849 INFO L93 Difference]: Finished difference Result 690 states and 997 transitions. [2021-08-26 19:17:19,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 19:17:19,851 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-08-26 19:17:19,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 19:17:19,863 INFO L225 Difference]: With dead ends: 690 [2021-08-26 19:17:19,863 INFO L226 Difference]: Without dead ends: 481 [2021-08-26 19:17:19,867 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-26 19:17:19,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2021-08-26 19:17:19,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 469. [2021-08-26 19:17:19,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 465 states have (on average 1.4172043010752688) internal successors, (659), 468 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:19,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 659 transitions. [2021-08-26 19:17:19,935 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 659 transitions. Word has length 13 [2021-08-26 19:17:19,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 19:17:19,935 INFO L470 AbstractCegarLoop]: Abstraction has 469 states and 659 transitions. [2021-08-26 19:17:19,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:19,936 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 659 transitions. [2021-08-26 19:17:19,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-26 19:17:19,939 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 19:17:19,939 INFO L512 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] [2021-08-26 19:17:19,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-08-26 19:17:20,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 19:17:20,141 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-26 19:17:20,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 19:17:20,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1756927926, now seen corresponding path program 1 times [2021-08-26 19:17:20,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 19:17:20,143 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [91676869] [2021-08-26 19:17:20,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 19:17:20,144 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 19:17:20,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 19:17:20,145 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-26 19:17:20,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-26 19:17:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 19:17:20,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-26 19:17:20,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 19:17:20,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 19:17:20,557 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 19:17:20,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 19:17:20,613 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 19:17:20,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [91676869] [2021-08-26 19:17:20,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [91676869] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 19:17:20,614 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 19:17:20,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-08-26 19:17:20,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080742710] [2021-08-26 19:17:20,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 19:17:20,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 19:17:20,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 19:17:20,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 19:17:20,621 INFO L87 Difference]: Start difference. First operand 469 states and 659 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:20,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 19:17:20,681 INFO L93 Difference]: Finished difference Result 475 states and 663 transitions. [2021-08-26 19:17:20,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 19:17:20,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-08-26 19:17:20,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 19:17:20,686 INFO L225 Difference]: With dead ends: 475 [2021-08-26 19:17:20,686 INFO L226 Difference]: Without dead ends: 472 [2021-08-26 19:17:20,688 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 19:17:20,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2021-08-26 19:17:20,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 469. [2021-08-26 19:17:20,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 465 states have (on average 1.4150537634408602) internal successors, (658), 468 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:20,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 658 transitions. [2021-08-26 19:17:20,762 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 658 transitions. Word has length 22 [2021-08-26 19:17:20,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 19:17:20,762 INFO L470 AbstractCegarLoop]: Abstraction has 469 states and 658 transitions. [2021-08-26 19:17:20,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:20,763 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 658 transitions. [2021-08-26 19:17:20,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-26 19:17:20,769 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 19:17:20,769 INFO L512 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] [2021-08-26 19:17:20,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-08-26 19:17:20,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 19:17:20,983 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-26 19:17:20,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 19:17:20,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1756868344, now seen corresponding path program 1 times [2021-08-26 19:17:20,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 19:17:20,984 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1601898194] [2021-08-26 19:17:20,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 19:17:20,985 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 19:17:20,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 19:17:20,986 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-26 19:17:20,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-08-26 19:17:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 19:17:21,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-26 19:17:21,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 19:17:21,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 19:17:21,305 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 19:17:21,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 19:17:21,419 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 19:17:21,420 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1601898194] [2021-08-26 19:17:21,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1601898194] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 19:17:21,420 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 19:17:21,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-08-26 19:17:21,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77820086] [2021-08-26 19:17:21,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 19:17:21,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 19:17:21,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 19:17:21,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 19:17:21,425 INFO L87 Difference]: Start difference. First operand 469 states and 658 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:21,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 19:17:21,472 INFO L93 Difference]: Finished difference Result 924 states and 1303 transitions. [2021-08-26 19:17:21,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 19:17:21,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-08-26 19:17:21,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 19:17:21,475 INFO L225 Difference]: With dead ends: 924 [2021-08-26 19:17:21,476 INFO L226 Difference]: Without dead ends: 455 [2021-08-26 19:17:21,477 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 19:17:21,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2021-08-26 19:17:21,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 307. [2021-08-26 19:17:21,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 304 states have (on average 1.3980263157894737) internal successors, (425), 306 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:21,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 425 transitions. [2021-08-26 19:17:21,497 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 425 transitions. Word has length 22 [2021-08-26 19:17:21,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 19:17:21,498 INFO L470 AbstractCegarLoop]: Abstraction has 307 states and 425 transitions. [2021-08-26 19:17:21,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:21,498 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 425 transitions. [2021-08-26 19:17:21,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-26 19:17:21,499 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 19:17:21,499 INFO L512 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] [2021-08-26 19:17:21,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-08-26 19:17:21,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 19:17:21,710 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-26 19:17:21,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 19:17:21,710 INFO L82 PathProgramCache]: Analyzing trace with hash -2000431289, now seen corresponding path program 1 times [2021-08-26 19:17:21,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 19:17:21,711 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1191545389] [2021-08-26 19:17:21,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 19:17:21,712 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 19:17:21,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 19:17:21,714 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-26 19:17:21,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-08-26 19:17:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 19:17:21,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-26 19:17:21,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 19:17:22,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 19:17:22,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 19:17:22,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 19:17:22,105 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 19:17:22,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1191545389] [2021-08-26 19:17:22,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1191545389] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 19:17:22,106 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 19:17:22,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-08-26 19:17:22,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165463031] [2021-08-26 19:17:22,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 19:17:22,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 19:17:22,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 19:17:22,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 19:17:22,107 INFO L87 Difference]: Start difference. First operand 307 states and 425 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:22,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 19:17:22,171 INFO L93 Difference]: Finished difference Result 726 states and 1010 transitions. [2021-08-26 19:17:22,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 19:17:22,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-08-26 19:17:22,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 19:17:22,173 INFO L225 Difference]: With dead ends: 726 [2021-08-26 19:17:22,173 INFO L226 Difference]: Without dead ends: 422 [2021-08-26 19:17:22,174 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 19:17:22,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2021-08-26 19:17:22,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 420. [2021-08-26 19:17:22,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 417 states have (on average 1.4004796163069544) internal successors, (584), 419 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:22,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 584 transitions. [2021-08-26 19:17:22,196 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 584 transitions. Word has length 23 [2021-08-26 19:17:22,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 19:17:22,197 INFO L470 AbstractCegarLoop]: Abstraction has 420 states and 584 transitions. [2021-08-26 19:17:22,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:22,198 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 584 transitions. [2021-08-26 19:17:22,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-08-26 19:17:22,199 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 19:17:22,199 INFO L512 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] [2021-08-26 19:17:22,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-08-26 19:17:22,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 19:17:22,415 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-26 19:17:22,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 19:17:22,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1614174000, now seen corresponding path program 1 times [2021-08-26 19:17:22,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 19:17:22,417 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [420949161] [2021-08-26 19:17:22,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 19:17:22,417 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 19:17:22,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 19:17:22,418 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-26 19:17:22,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-08-26 19:17:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 19:17:22,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-26 19:17:22,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 19:17:22,822 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-26 19:17:22,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 19:17:22,959 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-26 19:17:22,960 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 19:17:22,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [420949161] [2021-08-26 19:17:22,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [420949161] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 19:17:22,965 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 19:17:22,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-08-26 19:17:22,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363847373] [2021-08-26 19:17:22,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 19:17:22,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 19:17:22,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 19:17:22,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-26 19:17:22,968 INFO L87 Difference]: Start difference. First operand 420 states and 584 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:23,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 19:17:23,029 INFO L93 Difference]: Finished difference Result 1180 states and 1650 transitions. [2021-08-26 19:17:23,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 19:17:23,030 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-08-26 19:17:23,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 19:17:23,034 INFO L225 Difference]: With dead ends: 1180 [2021-08-26 19:17:23,034 INFO L226 Difference]: Without dead ends: 763 [2021-08-26 19:17:23,035 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-26 19:17:23,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2021-08-26 19:17:23,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 760. [2021-08-26 19:17:23,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 757 states have (on average 1.404227212681638) internal successors, (1063), 759 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:23,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1063 transitions. [2021-08-26 19:17:23,089 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1063 transitions. Word has length 40 [2021-08-26 19:17:23,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 19:17:23,090 INFO L470 AbstractCegarLoop]: Abstraction has 760 states and 1063 transitions. [2021-08-26 19:17:23,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:23,090 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1063 transitions. [2021-08-26 19:17:23,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-08-26 19:17:23,093 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 19:17:23,093 INFO L512 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, 1, 1] [2021-08-26 19:17:23,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-08-26 19:17:23,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 19:17:23,315 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-26 19:17:23,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 19:17:23,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1175975864, now seen corresponding path program 1 times [2021-08-26 19:17:23,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 19:17:23,317 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1625350699] [2021-08-26 19:17:23,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 19:17:23,317 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 19:17:23,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 19:17:23,318 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-26 19:17:23,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-08-26 19:17:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 19:17:23,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-26 19:17:23,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 19:17:23,752 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-26 19:17:23,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 19:17:23,909 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-26 19:17:23,912 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 19:17:23,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1625350699] [2021-08-26 19:17:23,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1625350699] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 19:17:23,913 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 19:17:23,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-08-26 19:17:23,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745618116] [2021-08-26 19:17:23,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-26 19:17:23,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 19:17:23,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-26 19:17:23,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-26 19:17:23,916 INFO L87 Difference]: Start difference. First operand 760 states and 1063 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:24,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 19:17:24,119 INFO L93 Difference]: Finished difference Result 3418 states and 4779 transitions. [2021-08-26 19:17:24,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 19:17:24,120 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-08-26 19:17:24,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 19:17:24,132 INFO L225 Difference]: With dead ends: 3418 [2021-08-26 19:17:24,132 INFO L226 Difference]: Without dead ends: 2661 [2021-08-26 19:17:24,136 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 81.1ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-08-26 19:17:24,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2661 states. [2021-08-26 19:17:24,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2661 to 772. [2021-08-26 19:17:24,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 769 states have (on average 1.3979193758127437) internal successors, (1075), 771 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:24,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1075 transitions. [2021-08-26 19:17:24,224 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1075 transitions. Word has length 42 [2021-08-26 19:17:24,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 19:17:24,225 INFO L470 AbstractCegarLoop]: Abstraction has 772 states and 1075 transitions. [2021-08-26 19:17:24,226 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 19:17:24,226 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1075 transitions. [2021-08-26 19:17:24,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-08-26 19:17:24,227 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 19:17:24,227 INFO L512 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, 1, 1, 1, 1] [2021-08-26 19:17:24,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-08-26 19:17:24,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 19:17:24,439 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-26 19:17:24,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 19:17:24,440 INFO L82 PathProgramCache]: Analyzing trace with hash -349191332, now seen corresponding path program 1 times [2021-08-26 19:17:24,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 19:17:24,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1350777498] [2021-08-26 19:17:24,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 19:17:24,441 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 19:17:24,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 19:17:24,443 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-26 19:17:24,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-08-26 19:17:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 19:17:24,875 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-26 19:17:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 19:17:25,293 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-08-26 19:17:25,294 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-26 19:17:25,295 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 19:17:25,297 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 19:17:25,297 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 19:17:25,297 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 19:17:25,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-08-26 19:17:25,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 19:17:25,519 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 19:17:25,534 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,535 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,535 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,535 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,540 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,540 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,540 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,541 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,541 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,541 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,542 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,542 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,543 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,543 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,543 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,544 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,544 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,544 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,545 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,545 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,545 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,546 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,546 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,546 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,547 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,547 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,547 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,548 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,548 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,548 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,549 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,549 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,550 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,550 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,550 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,551 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,551 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,552 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,552 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,560 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,560 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,561 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,561 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,562 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,562 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,562 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,563 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,563 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,563 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,563 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,564 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,564 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,564 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,565 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,565 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,565 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,565 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,566 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,566 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,566 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,568 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,569 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,569 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,570 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,570 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,570 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,571 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,571 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-08-26 19:17:25,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 07:17:25 BoogieIcfgContainer [2021-08-26 19:17:25,637 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 19:17:25,638 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 19:17:25,638 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 19:17:25,638 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 19:17:25,638 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 07:17:18" (3/4) ... [2021-08-26 19:17:25,650 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-26 19:17:25,650 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 19:17:25,652 INFO L168 Benchmark]: Toolchain (without parser) took 9205.11 ms. Allocated memory was 60.8 MB in the beginning and 239.1 MB in the end (delta: 178.3 MB). Free memory was 35.7 MB in the beginning and 168.2 MB in the end (delta: -132.5 MB). Peak memory consumption was 46.2 MB. Max. memory is 16.1 GB. [2021-08-26 19:17:25,652 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 60.8 MB. Free memory was 43.3 MB in the beginning and 43.3 MB in the end (delta: 44.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 19:17:25,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 937.18 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 35.6 MB in the beginning and 36.9 MB in the end (delta: -1.3 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. [2021-08-26 19:17:25,655 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.19 ms. Allocated memory is still 79.7 MB. Free memory was 36.9 MB in the beginning and 47.2 MB in the end (delta: -10.3 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2021-08-26 19:17:25,657 INFO L168 Benchmark]: Boogie Preprocessor took 115.07 ms. Allocated memory is still 79.7 MB. Free memory was 47.2 MB in the beginning and 42.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 19:17:25,657 INFO L168 Benchmark]: RCFGBuilder took 1326.44 ms. Allocated memory was 79.7 MB in the beginning and 130.0 MB in the end (delta: 50.3 MB). Free memory was 42.1 MB in the beginning and 62.1 MB in the end (delta: -20.0 MB). Peak memory consumption was 33.5 MB. Max. memory is 16.1 GB. [2021-08-26 19:17:25,657 INFO L168 Benchmark]: TraceAbstraction took 6671.13 ms. Allocated memory was 130.0 MB in the beginning and 239.1 MB in the end (delta: 109.1 MB). Free memory was 61.4 MB in the beginning and 168.2 MB in the end (delta: -106.8 MB). Peak memory consumption was 84.1 MB. Max. memory is 16.1 GB. [2021-08-26 19:17:25,658 INFO L168 Benchmark]: Witness Printer took 13.02 ms. Allocated memory is still 239.1 MB. Free memory was 168.2 MB in the beginning and 168.2 MB in the end (delta: 2.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 19:17:25,660 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 60.8 MB. Free memory was 43.3 MB in the beginning and 43.3 MB in the end (delta: 44.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 937.18 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 35.6 MB in the beginning and 36.9 MB in the end (delta: -1.3 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 136.19 ms. Allocated memory is still 79.7 MB. Free memory was 36.9 MB in the beginning and 47.2 MB in the end (delta: -10.3 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 115.07 ms. Allocated memory is still 79.7 MB. Free memory was 47.2 MB in the beginning and 42.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1326.44 ms. Allocated memory was 79.7 MB in the beginning and 130.0 MB in the end (delta: 50.3 MB). Free memory was 42.1 MB in the beginning and 62.1 MB in the end (delta: -20.0 MB). Peak memory consumption was 33.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6671.13 ms. Allocated memory was 130.0 MB in the beginning and 239.1 MB in the end (delta: 109.1 MB). Free memory was 61.4 MB in the beginning and 168.2 MB in the end (delta: -106.8 MB). Peak memory consumption was 84.1 MB. Max. memory is 16.1 GB. * Witness Printer took 13.02 ms. Allocated memory is still 239.1 MB. Free memory was 168.2 MB in the beginning and 168.2 MB in the end (delta: 2.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 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 - 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: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 3317]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 2900. Possible FailurePath: [L2766] int ldv_irq_1_2 = 0; [L2767] int LDV_IN_INTERRUPT = 1; [L2768] int ldv_irq_1_3 = 0; [L2769] void *ldv_irq_data_1_1 ; [L2770] int ldv_irq_1_1 = 0; [L2771] int ldv_irq_1_0 = 0; [L2772] int probed_2 = 0; [L2773] int ldv_irq_line_1_3 ; [L2774] void *ldv_irq_data_1_0 ; [L2775] int ldv_state_variable_0 ; [L2776] int ldv_irq_line_1_0 ; [L2777] int ldv_state_variable_2 ; [L2778] void *ldv_irq_data_1_3 ; [L2779] int ref_cnt ; [L2780] int ldv_irq_line_1_1 ; [L2781] struct platform_device *iio_interrupt_trigger_driver_group1 ; [L2782] void *ldv_irq_data_1_2 ; [L2783] int ldv_state_variable_1 ; [L2784] int ldv_irq_line_1_2 ; [L2881] static struct iio_trigger_ops const iio_interrupt_trigger_ops = {& __this_module, 0, 0, 0}; [L2958-L2968] 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}; [L2984] int ldv_retval_0 ; [L2985] int ldv_retval_1 ; [L2988] int ldv_retval_2 ; [L3356] int ldv_module_refcounter = 1; VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={-2147483641:0}, 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] [L3137] int tmp ; [L3138] int tmp___0 ; [L3139] int tmp___1 ; VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={-2147483641:0}, 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] [L3142] ldv_state_variable_1 = 1 [L3143] ref_cnt = 0 [L3144] ldv_state_variable_0 = 1 [L3145] ldv_state_variable_2 = 0 VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={-2147483641:0}, 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] [L3147] tmp = __VERIFIER_nondet_int() [L3149] case 0: [L3155] case 1: VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={-2147483641:0}, 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] [L3156] COND TRUE ldv_state_variable_0 != 0 [L3157] tmp___0 = __VERIFIER_nondet_int() [L3159] case 0: [L3167] case 1: VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={-2147483641:0}, 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] [L3168] COND TRUE ldv_state_variable_0 == 1 [L2971] int tmp ; [L3294] ldv_func_ret_type___0 ldv_func_res ; [L3295] int tmp ; [L3424] return __VERIFIER_nondet_int(); [L3297] tmp = __platform_driver_register(ldv_func_arg1, ldv_func_arg2) [L3298] ldv_func_res = tmp [L3299] ldv_state_variable_2 = 1 [L3102] void *tmp ; [L2726] void *p ; [L2727] void *tmp ; [L2729] tmp = calloc(1UL, size) [L2730] p = tmp [L2688] COND FALSE !(!cond) VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={-2147483641:0}, 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] [L2732] return (p); VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={-2147483641:0}, 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] [L3104] tmp = ldv_init_zalloc(1472UL) [L3105] iio_interrupt_trigger_driver_group1 = (struct platform_device *)tmp VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, 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] [L3301] return (ldv_func_res); VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, 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] [L2973] tmp = ldv___platform_driver_register_10(& iio_interrupt_trigger_driver, & __this_module) [L2974] return (tmp); VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, 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] [L3169] ldv_retval_0 = iio_interrupt_trigger_driver_init() [L3170] COND TRUE ldv_retval_0 == 0 [L3171] ldv_state_variable_0 = 3 VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, 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] [L3174] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, 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] [L3147] tmp = __VERIFIER_nondet_int() [L3149] case 0: [L3155] case 1: [L3189] case 2: VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, 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] [L3190] COND TRUE ldv_state_variable_2 != 0 [L3191] tmp___1 = __VERIFIER_nondet_int() [L3193] case 0: VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, 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] [L3194] COND TRUE ldv_state_variable_2 == 1 [L2884] struct iio_interrupt_trigger_info *trig_info ; [L2885] struct iio_trigger *trig ; [L2886] unsigned long irqflags ; [L2887] struct resource *irq_res ; [L2888] int irq ; [L2889] int ret ; [L2890] void *tmp ; [L2892] ret = 0 [L2692] void *p ; [L2693] void *tmp ; [L2694] int tmp___0 ; [L2696] tmp___0 = __VERIFIER_nondet_int() [L2697] COND FALSE !(tmp___0 != 0) [L2700] tmp = malloc(size) [L2701] p = tmp [L2688] COND FALSE !(!cond) VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, 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] [L2703] return (p); VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, 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] [L3452] return ldv_malloc(sizeof(struct resource)); [L2893] irq_res = platform_get_resource(pdev, 1024U, 0U) [L2894] COND FALSE !((unsigned long )irq_res == (unsigned long )((struct resource *)0)) [L2898] EXPR irq_res->flags [L2898] irqflags = (irq_res->flags & 15UL) | 128UL [L2899] EXPR irq_res->start [L2899] irq = (int )irq_res->start [L2900] trig = iio_trigger_alloc("irqtrig%d", irq) VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, 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] [L2901] COND FALSE !((unsigned long )trig == (unsigned long )((struct iio_trigger *)0)) [L2676] void *tmp ; [L2667] void *tmp___2 ; [L2692] void *p ; [L2693] void *tmp ; [L2694] int tmp___0 ; [L2696] tmp___0 = __VERIFIER_nondet_int() [L2697] COND TRUE tmp___0 != 0 [L2698] return ((void *)0); VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, 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] [L2662] return ldv_malloc(size); [L2669] tmp___2 = __kmalloc(size, flags) [L2670] return (tmp___2); VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, 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] [L2678] tmp = kmalloc(size, flags | 32768U) [L2679] return (tmp); VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, 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] [L2906] tmp = kzalloc(4UL, 208U) [L2907] trig_info = (struct iio_interrupt_trigger_info *)tmp VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, 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] [L2908] COND TRUE (unsigned long )trig_info == (unsigned long )((struct iio_interrupt_trigger_info *)0) [L2909] ret = -12 VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, 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] [L2850] EXPR trig->ops [L2850] (trig->ops)->owner [L3387] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, 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] [L3388] COND TRUE ldv_module_refcounter <= 1 VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, 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] [L3317] reach_error() VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, 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] - UnprovableResult [Line: 3317]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3317]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3317]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 184 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 6484.8ms, OverallIterations: 7, TraceHistogramMax: 2, EmptinessCheckTime: 25.2ms, AutomataDifference: 659.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1482 SDtfs, 2502 SDslu, 2849 SDs, 0 SdLazy, 81 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 161.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 315 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 112.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=772occurred in iteration=6, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 314.2ms AutomataMinimizationTime, 6 MinimizatonAttempts, 2057 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 218.6ms SsaConstructionTime, 605.7ms SatisfiabilityAnalysisTime, 1407.7ms InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 312 ConstructedInterpolants, 0 QuantifiedInterpolants, 614 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1316 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-08-26 19:17:25,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...