./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro --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 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:26:33,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:26:33,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:26:33,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:26:33,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:26:33,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:26:33,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:26:33,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:26:33,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:26:33,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:26:33,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:26:33,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:26:33,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:26:33,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:26:33,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:26:33,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:26:33,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:26:33,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:26:33,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:26:33,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:26:33,298 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:26:33,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:26:33,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:26:33,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:26:33,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:26:33,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:26:33,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:26:33,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:26:33,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:26:33,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:26:33,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:26:33,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:26:33,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:26:33,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:26:33,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:26:33,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:26:33,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:26:33,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:26:33,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:26:33,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:26:33,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:26:33,323 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:26:33,371 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:26:33,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:26:33,372 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:26:33,372 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:26:33,374 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:26:33,374 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:26:33,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:26:33,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:26:33,376 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:26:33,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:26:33,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:26:33,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:26:33,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:26:33,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:26:33,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:26:33,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:26:33,379 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:26:33,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:26:33,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:26:33,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:26:33,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:26:33,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:26:33,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:26:33,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:26:33,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:26:33,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:26:33,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:26:33,382 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:26:33,382 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:26:33,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:26:33,383 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 [2022-11-18 20:26:33,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:26:33,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:26:33,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:26:33,694 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:26:33,695 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:26:33,696 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-11-18 20:26:33,776 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/data/75d42d4c2/3499f2a7aadb49d68dc2521283d5c12e/FLAG19f461bf4 [2022-11-18 20:26:34,695 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:26:34,695 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-11-18 20:26:34,737 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/data/75d42d4c2/3499f2a7aadb49d68dc2521283d5c12e/FLAG19f461bf4 [2022-11-18 20:26:35,201 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/data/75d42d4c2/3499f2a7aadb49d68dc2521283d5c12e [2022-11-18 20:26:35,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:26:35,206 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:26:35,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:26:35,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:26:35,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:26:35,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:26:35" (1/1) ... [2022-11-18 20:26:35,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14f24885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:35, skipping insertion in model container [2022-11-18 20:26:35,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:26:35" (1/1) ... [2022-11-18 20:26:35,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:26:35,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:26:36,897 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2022-11-18 20:26:37,010 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-18 20:26:37,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:26:37,040 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:26:37,506 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2022-11-18 20:26:37,537 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-18 20:26:37,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:26:37,648 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:26:37,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:37 WrapperNode [2022-11-18 20:26:37,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:26:37,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:26:37,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:26:37,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:26:37,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:37" (1/1) ... [2022-11-18 20:26:37,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:37" (1/1) ... [2022-11-18 20:26:37,862 INFO L138 Inliner]: procedures = 259, calls = 1866, calls flagged for inlining = 99, calls inlined = 32, statements flattened = 1592 [2022-11-18 20:26:37,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:26:37,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:26:37,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:26:37,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:26:37,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:37" (1/1) ... [2022-11-18 20:26:37,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:37" (1/1) ... [2022-11-18 20:26:37,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:37" (1/1) ... [2022-11-18 20:26:37,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:37" (1/1) ... [2022-11-18 20:26:37,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:37" (1/1) ... [2022-11-18 20:26:37,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:37" (1/1) ... [2022-11-18 20:26:38,009 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:37" (1/1) ... [2022-11-18 20:26:38,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:37" (1/1) ... [2022-11-18 20:26:38,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:26:38,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:26:38,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:26:38,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:26:38,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:37" (1/1) ... [2022-11-18 20:26:38,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:26:38,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:26:38,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:26:38,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:26:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure ir_lookup_by_scancode [2022-11-18 20:26:38,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_lookup_by_scancode [2022-11-18 20:26:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 20:26:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 20:26:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ir_raw_handler_lock [2022-11-18 20:26:38,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ir_raw_handler_lock [2022-11-18 20:26:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 20:26:38,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 20:26:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_uevent [2022-11-18 20:26:38,182 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_uevent [2022-11-18 20:26:38,182 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 20:26:38,183 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 20:26:38,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 20:26:38,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 20:26:38,183 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-18 20:26:38,184 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-18 20:26:38,184 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 20:26:38,184 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 20:26:38,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:26:38,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:26:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 20:26:38,185 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 20:26:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:26:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2022-11-18 20:26:38,185 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2022-11-18 20:26:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:26:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-18 20:26:38,186 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-18 20:26:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-18 20:26:38,186 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-18 20:26:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_rc_dev [2022-11-18 20:26:38,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_rc_dev [2022-11-18 20:26:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 20:26:38,187 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 20:26:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_rc_dev [2022-11-18 20:26:38,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_rc_dev [2022-11-18 20:26:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 20:26:38,188 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_release [2022-11-18 20:26:38,188 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_release [2022-11-18 20:26:38,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 20:26:38,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:26:38,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 20:26:38,189 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 20:26:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-18 20:26:38,189 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-18 20:26:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ir_raw_handler_lock [2022-11-18 20:26:38,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ir_raw_handler_lock [2022-11-18 20:26:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:26:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 20:26:38,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 20:26:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:26:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:26:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:26:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure input_scancode_to_scalar [2022-11-18 20:26:38,192 INFO L138 BoogieDeclarations]: Found implementation of procedure input_scancode_to_scalar [2022-11-18 20:26:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 20:26:38,193 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 20:26:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 20:26:38,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 20:26:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-18 20:26:38,194 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-18 20:26:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:26:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:26:38,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:26:38,622 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:26:38,625 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:26:40,868 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:26:40,876 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:26:40,879 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:26:40,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:26:40 BoogieIcfgContainer [2022-11-18 20:26:40,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:26:40,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:26:40,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:26:40,892 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:26:40,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:26:35" (1/3) ... [2022-11-18 20:26:40,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dfcc6fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:26:40, skipping insertion in model container [2022-11-18 20:26:40,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:37" (2/3) ... [2022-11-18 20:26:40,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dfcc6fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:26:40, skipping insertion in model container [2022-11-18 20:26:40,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:26:40" (3/3) ... [2022-11-18 20:26:40,895 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-11-18 20:26:40,916 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:26:40,916 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:26:41,004 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:26:41,014 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@72d94aba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:26:41,014 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:26:41,020 INFO L276 IsEmpty]: Start isEmpty. Operand has 320 states, 242 states have (on average 1.4173553719008265) internal successors, (343), 253 states have internal predecessors, (343), 52 states have call successors, (52), 24 states have call predecessors, (52), 24 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-11-18 20:26:41,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-18 20:26:41,032 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:41,033 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:41,033 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:26:41,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:41,041 INFO L85 PathProgramCache]: Analyzing trace with hash 284676365, now seen corresponding path program 1 times [2022-11-18 20:26:41,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:41,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935970416] [2022-11-18 20:26:41,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:41,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:41,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:41,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:41,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935970416] [2022-11-18 20:26:41,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935970416] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:41,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:41,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:26:41,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325166135] [2022-11-18 20:26:41,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:41,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:26:41,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:41,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:26:41,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:41,769 INFO L87 Difference]: Start difference. First operand has 320 states, 242 states have (on average 1.4173553719008265) internal successors, (343), 253 states have internal predecessors, (343), 52 states have call successors, (52), 24 states have call predecessors, (52), 24 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:41,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:42,003 INFO L93 Difference]: Finished difference Result 742 states and 1054 transitions. [2022-11-18 20:26:42,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:26:42,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-18 20:26:42,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:42,022 INFO L225 Difference]: With dead ends: 742 [2022-11-18 20:26:42,023 INFO L226 Difference]: Without dead ends: 417 [2022-11-18 20:26:42,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:42,042 INFO L413 NwaCegarLoop]: 444 mSDtfsCounter, 142 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:42,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 867 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:26:42,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2022-11-18 20:26:42,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 402. [2022-11-18 20:26:42,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 309 states have (on average 1.4271844660194175) internal successors, (441), 319 states have internal predecessors, (441), 62 states have call successors, (62), 31 states have call predecessors, (62), 30 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2022-11-18 20:26:42,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 556 transitions. [2022-11-18 20:26:42,120 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 556 transitions. Word has length 17 [2022-11-18 20:26:42,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:42,120 INFO L495 AbstractCegarLoop]: Abstraction has 402 states and 556 transitions. [2022-11-18 20:26:42,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:42,121 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 556 transitions. [2022-11-18 20:26:42,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-18 20:26:42,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:42,123 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:42,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:26:42,124 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:26:42,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:42,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1659834637, now seen corresponding path program 1 times [2022-11-18 20:26:42,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:42,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374984131] [2022-11-18 20:26:42,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:42,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:42,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:42,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:42,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374984131] [2022-11-18 20:26:42,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374984131] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:42,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:42,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:26:42,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317641088] [2022-11-18 20:26:42,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:42,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:26:42,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:42,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:26:42,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:42,389 INFO L87 Difference]: Start difference. First operand 402 states and 556 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:42,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:42,499 INFO L93 Difference]: Finished difference Result 404 states and 557 transitions. [2022-11-18 20:26:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:26:42,500 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-18 20:26:42,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:42,510 INFO L225 Difference]: With dead ends: 404 [2022-11-18 20:26:42,510 INFO L226 Difference]: Without dead ends: 401 [2022-11-18 20:26:42,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:42,513 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 413 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:42,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 428 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:26:42,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2022-11-18 20:26:42,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2022-11-18 20:26:42,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 309 states have (on average 1.4239482200647249) internal successors, (440), 318 states have internal predecessors, (440), 61 states have call successors, (61), 31 states have call predecessors, (61), 30 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2022-11-18 20:26:42,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 554 transitions. [2022-11-18 20:26:42,554 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 554 transitions. Word has length 19 [2022-11-18 20:26:42,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:42,554 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 554 transitions. [2022-11-18 20:26:42,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:42,555 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 554 transitions. [2022-11-18 20:26:42,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-18 20:26:42,556 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:42,557 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:42,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:26:42,557 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:26:42,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:42,558 INFO L85 PathProgramCache]: Analyzing trace with hash 84547819, now seen corresponding path program 1 times [2022-11-18 20:26:42,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:42,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900709365] [2022-11-18 20:26:42,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:42,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:42,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:42,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:42,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900709365] [2022-11-18 20:26:42,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900709365] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:42,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:42,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:26:42,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35829313] [2022-11-18 20:26:42,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:42,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:26:42,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:42,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:26:42,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:42,841 INFO L87 Difference]: Start difference. First operand 401 states and 554 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:42,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:42,937 INFO L93 Difference]: Finished difference Result 408 states and 558 transitions. [2022-11-18 20:26:42,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:26:42,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-18 20:26:42,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:42,941 INFO L225 Difference]: With dead ends: 408 [2022-11-18 20:26:42,941 INFO L226 Difference]: Without dead ends: 404 [2022-11-18 20:26:42,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:42,945 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 396 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:42,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 434 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:26:42,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2022-11-18 20:26:43,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 402. [2022-11-18 20:26:43,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 311 states have (on average 1.414790996784566) internal successors, (440), 318 states have internal predecessors, (440), 59 states have call successors, (59), 32 states have call predecessors, (59), 31 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2022-11-18 20:26:43,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 552 transitions. [2022-11-18 20:26:43,025 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 552 transitions. Word has length 20 [2022-11-18 20:26:43,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:43,026 INFO L495 AbstractCegarLoop]: Abstraction has 402 states and 552 transitions. [2022-11-18 20:26:43,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:43,027 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 552 transitions. [2022-11-18 20:26:43,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-18 20:26:43,031 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:43,031 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:43,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:26:43,031 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:26:43,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:43,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1674166026, now seen corresponding path program 1 times [2022-11-18 20:26:43,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:43,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950761664] [2022-11-18 20:26:43,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:43,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:43,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:43,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:43,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950761664] [2022-11-18 20:26:43,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950761664] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:43,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:43,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:26:43,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464006883] [2022-11-18 20:26:43,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:43,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:26:43,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:43,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:26:43,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:43,294 INFO L87 Difference]: Start difference. First operand 402 states and 552 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:43,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:43,371 INFO L93 Difference]: Finished difference Result 404 states and 553 transitions. [2022-11-18 20:26:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:26:43,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-11-18 20:26:43,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:43,379 INFO L225 Difference]: With dead ends: 404 [2022-11-18 20:26:43,379 INFO L226 Difference]: Without dead ends: 401 [2022-11-18 20:26:43,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:43,388 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 405 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:43,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 422 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:26:43,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2022-11-18 20:26:43,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2022-11-18 20:26:43,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 311 states have (on average 1.4115755627009647) internal successors, (439), 317 states have internal predecessors, (439), 58 states have call successors, (58), 32 states have call predecessors, (58), 31 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2022-11-18 20:26:43,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 550 transitions. [2022-11-18 20:26:43,438 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 550 transitions. Word has length 21 [2022-11-18 20:26:43,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:43,439 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 550 transitions. [2022-11-18 20:26:43,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:43,439 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 550 transitions. [2022-11-18 20:26:43,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-18 20:26:43,442 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:43,442 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:43,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:26:43,443 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:26:43,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:43,443 INFO L85 PathProgramCache]: Analyzing trace with hash -359715506, now seen corresponding path program 1 times [2022-11-18 20:26:43,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:43,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17767068] [2022-11-18 20:26:43,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:43,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:43,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:43,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:43,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17767068] [2022-11-18 20:26:43,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17767068] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:43,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:43,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:26:43,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286461978] [2022-11-18 20:26:43,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:43,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:26:43,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:43,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:26:43,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:43,660 INFO L87 Difference]: Start difference. First operand 401 states and 550 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:43,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:43,768 INFO L93 Difference]: Finished difference Result 607 states and 839 transitions. [2022-11-18 20:26:43,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:26:43,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-18 20:26:43,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:43,773 INFO L225 Difference]: With dead ends: 607 [2022-11-18 20:26:43,773 INFO L226 Difference]: Without dead ends: 603 [2022-11-18 20:26:43,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:43,775 INFO L413 NwaCegarLoop]: 433 mSDtfsCounter, 152 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:43,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 836 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:26:43,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2022-11-18 20:26:43,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 601. [2022-11-18 20:26:43,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 474 states have (on average 1.4303797468354431) internal successors, (678), 482 states have internal predecessors, (678), 80 states have call successors, (80), 48 states have call predecessors, (80), 46 states have return successors, (75), 71 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-18 20:26:43,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 833 transitions. [2022-11-18 20:26:43,838 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 833 transitions. Word has length 22 [2022-11-18 20:26:43,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:43,838 INFO L495 AbstractCegarLoop]: Abstraction has 601 states and 833 transitions. [2022-11-18 20:26:43,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:43,839 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 833 transitions. [2022-11-18 20:26:43,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-18 20:26:43,841 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:43,841 INFO L195 NwaCegarLoop]: 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] [2022-11-18 20:26:43,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:26:43,842 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:26:43,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:43,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1733549817, now seen corresponding path program 1 times [2022-11-18 20:26:43,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:43,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706529229] [2022-11-18 20:26:43,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:43,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:44,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:44,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:44,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706529229] [2022-11-18 20:26:44,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706529229] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:44,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:44,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:26:44,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322790199] [2022-11-18 20:26:44,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:44,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:26:44,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:44,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:26:44,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:44,018 INFO L87 Difference]: Start difference. First operand 601 states and 833 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:44,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:44,119 INFO L93 Difference]: Finished difference Result 603 states and 834 transitions. [2022-11-18 20:26:44,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:26:44,122 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-18 20:26:44,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:44,125 INFO L225 Difference]: With dead ends: 603 [2022-11-18 20:26:44,125 INFO L226 Difference]: Without dead ends: 578 [2022-11-18 20:26:44,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:44,126 INFO L413 NwaCegarLoop]: 421 mSDtfsCounter, 401 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:44,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 421 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:26:44,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2022-11-18 20:26:44,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 578. [2022-11-18 20:26:44,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 460 states have (on average 1.432608695652174) internal successors, (659), 466 states have internal predecessors, (659), 73 states have call successors, (73), 46 states have call predecessors, (73), 44 states have return successors, (69), 66 states have call predecessors, (69), 69 states have call successors, (69) [2022-11-18 20:26:44,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 801 transitions. [2022-11-18 20:26:44,170 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 801 transitions. Word has length 23 [2022-11-18 20:26:44,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:44,171 INFO L495 AbstractCegarLoop]: Abstraction has 578 states and 801 transitions. [2022-11-18 20:26:44,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:44,171 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 801 transitions. [2022-11-18 20:26:44,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-18 20:26:44,173 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:44,173 INFO L195 NwaCegarLoop]: 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, 1] [2022-11-18 20:26:44,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:26:44,173 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:26:44,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:44,174 INFO L85 PathProgramCache]: Analyzing trace with hash -529150309, now seen corresponding path program 1 times [2022-11-18 20:26:44,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:44,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116063857] [2022-11-18 20:26:44,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:44,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:44,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-18 20:26:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:44,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-18 20:26:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:44,504 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 20:26:44,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:44,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116063857] [2022-11-18 20:26:44,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116063857] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:44,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:44,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:26:44,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507629561] [2022-11-18 20:26:44,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:44,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:26:44,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:44,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:26:44,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:26:44,507 INFO L87 Difference]: Start difference. First operand 578 states and 801 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:26:45,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:45,260 INFO L93 Difference]: Finished difference Result 1152 states and 1598 transitions. [2022-11-18 20:26:45,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:26:45,260 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-11-18 20:26:45,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:45,264 INFO L225 Difference]: With dead ends: 1152 [2022-11-18 20:26:45,264 INFO L226 Difference]: Without dead ends: 577 [2022-11-18 20:26:45,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:26:45,266 INFO L413 NwaCegarLoop]: 356 mSDtfsCounter, 462 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:45,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 754 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-18 20:26:45,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2022-11-18 20:26:45,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2022-11-18 20:26:45,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 460 states have (on average 1.4282608695652175) internal successors, (657), 465 states have internal predecessors, (657), 72 states have call successors, (72), 46 states have call predecessors, (72), 44 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2022-11-18 20:26:45,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 796 transitions. [2022-11-18 20:26:45,316 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 796 transitions. Word has length 45 [2022-11-18 20:26:45,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:45,317 INFO L495 AbstractCegarLoop]: Abstraction has 577 states and 796 transitions. [2022-11-18 20:26:45,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:26:45,318 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 796 transitions. [2022-11-18 20:26:45,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-18 20:26:45,319 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:45,320 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:45,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:26:45,320 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:26:45,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:45,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1100707500, now seen corresponding path program 1 times [2022-11-18 20:26:45,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:45,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759896152] [2022-11-18 20:26:45,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:45,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:45,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:26:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:45,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 20:26:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:45,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:26:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:45,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:26:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:45,647 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-18 20:26:45,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:45,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759896152] [2022-11-18 20:26:45,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759896152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:45,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:45,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:26:45,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488828065] [2022-11-18 20:26:45,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:45,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:26:45,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:45,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:26:45,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:26:45,650 INFO L87 Difference]: Start difference. First operand 577 states and 796 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 20:26:46,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:46,491 INFO L93 Difference]: Finished difference Result 579 states and 797 transitions. [2022-11-18 20:26:46,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 20:26:46,492 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2022-11-18 20:26:46,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:46,495 INFO L225 Difference]: With dead ends: 579 [2022-11-18 20:26:46,495 INFO L226 Difference]: Without dead ends: 576 [2022-11-18 20:26:46,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:26:46,497 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 238 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:46,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 916 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-18 20:26:46,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2022-11-18 20:26:46,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 576. [2022-11-18 20:26:46,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 460 states have (on average 1.4260869565217391) internal successors, (656), 464 states have internal predecessors, (656), 71 states have call successors, (71), 46 states have call predecessors, (71), 44 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2022-11-18 20:26:46,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 794 transitions. [2022-11-18 20:26:46,554 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 794 transitions. Word has length 54 [2022-11-18 20:26:46,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:46,554 INFO L495 AbstractCegarLoop]: Abstraction has 576 states and 794 transitions. [2022-11-18 20:26:46,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 20:26:46,555 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 794 transitions. [2022-11-18 20:26:46,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-18 20:26:46,557 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:46,558 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 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] [2022-11-18 20:26:46,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 20:26:46,558 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:26:46,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:46,559 INFO L85 PathProgramCache]: Analyzing trace with hash 47347167, now seen corresponding path program 1 times [2022-11-18 20:26:46,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:46,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413512157] [2022-11-18 20:26:46,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:46,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:47,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:26:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:47,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 20:26:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:47,145 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-18 20:26:47,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:47,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413512157] [2022-11-18 20:26:47,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413512157] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:47,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:47,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:26:47,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584001730] [2022-11-18 20:26:47,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:47,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:26:47,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:47,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:26:47,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:26:47,149 INFO L87 Difference]: Start difference. First operand 576 states and 794 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:26:48,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:48,135 INFO L93 Difference]: Finished difference Result 1177 states and 1619 transitions. [2022-11-18 20:26:48,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:26:48,135 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 53 [2022-11-18 20:26:48,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:48,138 INFO L225 Difference]: With dead ends: 1177 [2022-11-18 20:26:48,139 INFO L226 Difference]: Without dead ends: 596 [2022-11-18 20:26:48,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:26:48,141 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 150 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 983 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:48,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 983 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-18 20:26:48,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2022-11-18 20:26:48,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 528. [2022-11-18 20:26:48,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 428 states have (on average 1.441588785046729) internal successors, (617), 431 states have internal predecessors, (617), 62 states have call successors, (62), 39 states have call predecessors, (62), 37 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2022-11-18 20:26:48,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 737 transitions. [2022-11-18 20:26:48,178 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 737 transitions. Word has length 53 [2022-11-18 20:26:48,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:48,179 INFO L495 AbstractCegarLoop]: Abstraction has 528 states and 737 transitions. [2022-11-18 20:26:48,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:26:48,179 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 737 transitions. [2022-11-18 20:26:48,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-18 20:26:48,182 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:48,182 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:48,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 20:26:48,182 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:26:48,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:48,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1628136216, now seen corresponding path program 1 times [2022-11-18 20:26:48,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:48,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333097613] [2022-11-18 20:26:48,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:48,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:26:48,379 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:26:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:26:48,647 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:26:48,647 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 20:26:48,648 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 20:26:48,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 20:26:48,654 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:48,658 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:26:48,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:26:48 BoogieIcfgContainer [2022-11-18 20:26:48,854 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:26:48,854 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:26:48,854 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:26:48,855 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:26:48,855 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:26:40" (3/4) ... [2022-11-18 20:26:48,858 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:26:48,858 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:26:48,859 INFO L158 Benchmark]: Toolchain (without parser) took 13653.59ms. Allocated memory was 88.1MB in the beginning and 308.3MB in the end (delta: 220.2MB). Free memory was 45.1MB in the beginning and 63.4MB in the end (delta: -18.4MB). Peak memory consumption was 200.2MB. Max. memory is 16.1GB. [2022-11-18 20:26:48,859 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:26:48,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2442.22ms. Allocated memory was 88.1MB in the beginning and 138.4MB in the end (delta: 50.3MB). Free memory was 44.9MB in the beginning and 80.8MB in the end (delta: -35.9MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2022-11-18 20:26:48,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 212.94ms. Allocated memory is still 138.4MB. Free memory was 80.8MB in the beginning and 69.0MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:26:48,861 INFO L158 Benchmark]: Boogie Preprocessor took 182.95ms. Allocated memory is still 138.4MB. Free memory was 69.0MB in the beginning and 59.8MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:26:48,861 INFO L158 Benchmark]: RCFGBuilder took 2835.49ms. Allocated memory was 138.4MB in the beginning and 199.2MB in the end (delta: 60.8MB). Free memory was 59.8MB in the beginning and 124.4MB in the end (delta: -64.6MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2022-11-18 20:26:48,862 INFO L158 Benchmark]: TraceAbstraction took 7965.65ms. Allocated memory was 199.2MB in the beginning and 308.3MB in the end (delta: 109.1MB). Free memory was 123.3MB in the beginning and 64.5MB in the end (delta: 58.9MB). Peak memory consumption was 169.0MB. Max. memory is 16.1GB. [2022-11-18 20:26:48,862 INFO L158 Benchmark]: Witness Printer took 4.28ms. Allocated memory is still 308.3MB. Free memory was 64.5MB in the beginning and 63.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:26:48,864 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2442.22ms. Allocated memory was 88.1MB in the beginning and 138.4MB in the end (delta: 50.3MB). Free memory was 44.9MB in the beginning and 80.8MB in the end (delta: -35.9MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 212.94ms. Allocated memory is still 138.4MB. Free memory was 80.8MB in the beginning and 69.0MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 182.95ms. Allocated memory is still 138.4MB. Free memory was 69.0MB in the beginning and 59.8MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2835.49ms. Allocated memory was 138.4MB in the beginning and 199.2MB in the end (delta: 60.8MB). Free memory was 59.8MB in the beginning and 124.4MB in the end (delta: -64.6MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. * TraceAbstraction took 7965.65ms. Allocated memory was 199.2MB in the beginning and 308.3MB in the end (delta: 109.1MB). Free memory was 123.3MB in the beginning and 64.5MB in the end (delta: 58.9MB). Peak memory consumption was 169.0MB. Max. memory is 16.1GB. * Witness Printer took 4.28ms. Allocated memory is still 308.3MB. Free memory was 64.5MB in the beginning and 63.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 6023]: 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 4578. Possible FailurePath: [L4581] static struct attribute *rc_dev_attrs[2U] = { & dev_attr_protocols.attr, 0}; [L4578-L4580] static struct device_attribute dev_attr_protocols = {{"protocols", 420U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & show_protocols, & store_protocols}; [L4584-L4585] static struct device_type rc_dev_type = {0, (struct attribute_group const **)(& rc_dev_attr_groups), & rc_dev_uevent, 0, & rc_dev_release, 0}; [L6040] static int ldv_mutex_cred_guard_mutex_of_signal_struct ; [L3552-L3559] static struct rc_map_list empty_map = {{0, 0}, {(struct rc_map_table *)(& empty), 1U, 0U, 0U, 0, "rc-empty", {{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}}}; [L4582] static struct attribute_group rc_dev_attr_grp = {0, 0, (struct attribute **)(& rc_dev_attrs)}; [L3551] static struct rc_map_table empty[1U] = { {42U, 152U}}; [L4892] struct device_attribute *dev_attr_protocols_group1 ; [L5303] static u64 available_protocols ; [L6245] static int ldv_mutex_lock ; [L4239-L4251] static struct __anonstruct_proto_names_168 proto_names[12U] = { {0ULL, (char *)"none"}, {2ULL, (char *)"other"}, {1ULL, (char *)"unknown"}, {24ULL, (char *)"rc-5"}, {1024ULL, (char *)"nec"}, {253952ULL, (char *)"rc-6"}, {64ULL, (char *)"jvc"}, {896ULL, (char *)"sony"}, {32ULL, (char *)"rc-5-sz"}, {2048ULL, (char *)"sanyo"}, {4096ULL, (char *)"mce_kbd"}, {4ULL, (char *)"lirc"}}; [L4885] struct device *dev_attr_protocols_group0 ; [L3301] int ref_cnt ; [L5298-L5301] static struct mutex ir_raw_handler_lock = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "ir_raw_handler_lock.wait_lock", 0, 0UL}}}}, {& ir_raw_handler_lock.wait_list, & ir_raw_handler_lock.wait_list}, 0, 0, (void *)(& ir_raw_handler_lock), {0, {0, 0}, "ir_raw_handler_lock", 0, 0UL}}; [L5302] static struct list_head ir_raw_handler_list = {& ir_raw_handler_list, & ir_raw_handler_list}; [L4583] static struct attribute_group const *rc_dev_attr_groups[2U] = { (struct attribute_group const *)(& rc_dev_attr_grp), 0}; [L4894] struct device *rc_dev_type_group0 ; [L3472] static struct list_head rc_map_list = {& rc_map_list, & rc_map_list}; [L3412] int rc_core_debug ; [L4895] umode_t *ldvarg2 ; [L4884] char *ldvarg3 ; [L4237-L4238] static struct class ir_input_class = {"rc", 0, 0, 0, 0, 0, 0, & ir_devnode, 0, 0, 0, 0, 0, 0, 0, 0}; [L4886] struct kobj_uevent_env *ldvarg0 ; [L4888] struct device *ldvarg1 ; [L5304] static struct work_struct wq_load ; [L4890] size_t ldvarg4 ; [L4887] char *ldvarg5 ; [L3473-L3474] static spinlock_t rc_map_lock = {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "rc_map_lock", 0, 0UL}}}}; [L6143] static int ldv_mutex_ir_raw_handler_lock ; [L4889] int ldv_retval_0 ; [L5297] static struct list_head ir_raw_client_list = {& ir_raw_client_list, & ir_raw_client_list}; [L6347] static int ldv_mutex_lock_of_rc_dev ; [L3300] int ldv_state_variable_2 ; [L3298] int ldv_state_variable_3 ; [L3302] int ldv_state_variable_0 ; [L6449] static int ldv_mutex_mutex_of_device ; [L3299] int ldv_state_variable_1 ; VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:0}, dev_attr_protocols_group1={0:0}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=0, ldv_mutex_ir_raw_handler_lock=0, ldv_mutex_lock=0, ldv_mutex_lock_of_rc_dev=0, ldv_mutex_mutex_of_device=0, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:0}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L4898] int tmp ; [L4899] int tmp___0 ; [L4900] int tmp___1 ; [L4901] int tmp___2 ; [L4902] int tmp___3 ; [L4904] ldvarg0 = (struct kobj_uevent_env*) __VERIFIER_nondet_long () [L4905] ldvarg1 = (struct device*) __VERIFIER_nondet_long () [L4906] ldvarg2 = (umode_t *) __VERIFIER_nondet_long () [L4907] ldvarg3 = (char*) __VERIFIER_nondet_long () [L4908] ldvarg4 = (size_t) __VERIFIER_nondet_long () [L4909] ldvarg5 = (char*) __VERIFIER_nondet_long () [L4910] dev_attr_protocols_group0 = (struct device *)__VERIFIER_nondet_long () [L4911] dev_attr_protocols_group1 = (struct device_attribute *)__VERIFIER_nondet_long () [L4912] rc_dev_type_group0 = (struct device*) __VERIFIER_nondet_long () [L4913] CALL ldv_initialize() [L6554] ldv_mutex_cred_guard_mutex_of_signal_struct = 1 [L6555] ldv_mutex_ir_raw_handler_lock = 1 [L6556] ldv_mutex_lock = 1 [L6557] ldv_mutex_lock_of_rc_dev = 1 [L6558] ldv_mutex_mutex_of_device = 1 VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L4913] RET ldv_initialize() [L4914] ldv_state_variable_1 = 0 [L4915] ref_cnt = 0 [L4916] ldv_state_variable_0 = 1 [L4917] ldv_state_variable_3 = 0 [L4918] ldv_state_variable_2 = 0 VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=1, wq_load={199:0}] [L4962] COND TRUE ldv_state_variable_0 != 0 [L4963] tmp___1 = __VERIFIER_nondet_int() [L4965] case 0: [L4973] case 1: VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={199:0}] [L4974] COND TRUE ldv_state_variable_0 == 1 [L4975] CALL, EXPR rc_core_init() [L4861] int rc ; [L4862] struct lock_class_key __key ; [L4863] int tmp ; [L4865] CALL, EXPR __class_register(& ir_input_class, & __key) [L6590] return __VERIFIER_nondet_int(); [L4865] RET, EXPR __class_register(& ir_input_class, & __key) [L4865] tmp = __class_register(& ir_input_class, & __key) [L4866] rc = tmp VAL [__key={203:0}, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={193:0}, rc=0, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=0, wq_load={199:0}] [L4867] COND FALSE !(rc != 0) [L4872] CALL rc_map_register(& empty_map) [L3536] CALL spin_lock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L3319] FCALL _raw_spin_lock(& lock->ldv_5961.rlock) [L3536] RET spin_lock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, map={190:0}, map={190:0}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L3537] CALL list_add_tail(& map->list, & rc_map_list) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L3236] EXPR head->prev [L3236] FCALL __list_add(new, head->prev, head) [L3537] RET list_add_tail(& map->list, & rc_map_list) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, map={190:0}, map={190:0}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L3538] CALL spin_unlock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L3326] FCALL _raw_spin_unlock(& lock->ldv_5961.rlock) [L3538] RET spin_unlock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, map={190:0}, map={190:0}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L3539] return (0); VAL [\result=0, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, map={190:0}, map={190:0}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L4872] RET rc_map_register(& empty_map) [L4873] return (0); [L4873] return (0); VAL [\result=0, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={193:0}, rc=0, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=0, wq_load={199:0}] [L4975] RET, EXPR rc_core_init() [L4975] ldv_retval_0 = rc_core_init() [L4976] COND TRUE ldv_retval_0 == 0 [L4977] ldv_state_variable_0 = 3 [L4978] ldv_state_variable_2 = 1 [L4979] ldv_state_variable_3 = 1 [L4980] ldv_state_variable_1 = 1 VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={199:0}] [L4983] COND FALSE !(ldv_retval_0 != 0) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={199:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: [L4998] case 2: [L5016] case 3: VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=3, tmp___1=1, wq_load={199:0}] [L5017] COND TRUE ldv_state_variable_2 != 0 [L5018] tmp___3 = __VERIFIER_nondet_int() [L5020] case 0: [L5028] case 1: VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={199:0}] [L5029] COND TRUE ldv_state_variable_2 == 1 [L5030] CALL show_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, ldvarg3) [L4254] struct rc_dev *dev ; [L4255] struct device const *__mptr ; [L4256] u64 allowed ; [L4257] u64 enabled ; [L4258] char *tmp ; [L4259] int i ; [L4260] struct _ddebug descriptor ; [L4261] long tmp___0 ; [L4262] int tmp___1 ; [L4263] int tmp___2 ; [L4265] __mptr = (struct device const *)device [L4266] dev = (struct rc_dev *)__mptr [L4267] tmp = buf VAL [__mptr={0:-1227}, available_protocols=0, buf={0:-5}, buf={0:-5}, descriptor={204:0}, dev={0:-1227}, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, device={0:-1227}, device={0:-1227}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, mattr={0:-4}, mattr={0:-4}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp={0:-5}, wq_load={199:0}] [L4268] COND FALSE !((unsigned long )dev == (unsigned long )((struct rc_dev *)0)) [L4272] CALL ldv_mutex_lock_6(& dev->lock) [L5099] CALL ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) VAL [\old(ldv_mutex_lock_of_rc_dev)=1, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, lock={0:0}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L6383] COND TRUE ldv_mutex_lock_of_rc_dev == 1 VAL [\old(ldv_mutex_lock_of_rc_dev)=1, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, lock={0:0}, lock={0:0}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L6387] ldv_mutex_lock_of_rc_dev = 2 VAL [\old(ldv_mutex_lock_of_rc_dev)=1, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, lock={0:0}, lock={0:0}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L5099] RET ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_func_arg1={0:0}, ldv_func_arg1={0:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L5100] FCALL mutex_lock(ldv_func_arg1) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_func_arg1={0:0}, ldv_func_arg1={0:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L4272] RET ldv_mutex_lock_6(& dev->lock) [L4273] EXPR dev->driver_type VAL [__mptr={0:-1227}, available_protocols=0, buf={0:-5}, buf={0:-5}, descriptor={204:0}, dev={0:-1227}, dev->driver_type=4294967297, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, device={0:-1227}, device={0:-1227}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, mattr={0:-4}, mattr={0:-4}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp={0:-5}, wq_load={199:0}] [L4273] COND FALSE !((unsigned int )dev->driver_type == 0U) [L4277] EXPR dev->raw VAL [__mptr={0:-1227}, available_protocols=0, buf={0:-5}, buf={0:-5}, descriptor={204:0}, dev={0:-1227}, dev->raw={0:0}, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, device={0:-1227}, device={0:-1227}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, mattr={0:-4}, mattr={0:-4}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp={0:-5}, wq_load={199:0}] [L4277] COND FALSE !((unsigned long )dev->raw != (unsigned long )((struct ir_raw_event_ctrl *)0)) [L4281] return (-19L); [L4281] return (-19L); VAL [\result=-19, __mptr={0:-1227}, available_protocols=0, buf={0:-5}, buf={0:-5}, dev={0:-1227}, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, device={0:-1227}, device={0:-1227}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, mattr={0:-4}, mattr={0:-4}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp={0:-5}, wq_load={199:0}] [L5030] RET show_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, ldvarg3) [L5031] ldv_state_variable_2 = 1 VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={199:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: [L4998] case 2: [L5016] case 3: VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={199:0}] [L5017] COND TRUE ldv_state_variable_2 != 0 [L5018] tmp___3 = __VERIFIER_nondet_int() [L5020] case 0: VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=0, wq_load={199:0}] [L5021] COND TRUE ldv_state_variable_2 == 1 [L5022-L5023] CALL store_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, (char const *)ldvarg5, ldvarg4) [L4333] struct rc_dev *dev ; [L4334] struct device const *__mptr ; [L4335] bool enable ; [L4336] bool disable ; [L4337] char const *tmp ; [L4338] u64 type ; [L4339] u64 mask ; [L4340] int rc ; [L4341] int i ; [L4342] int count ; [L4343] unsigned long flags ; [L4344] ssize_t ret ; [L4345] struct _ddebug descriptor ; [L4346] long tmp___0 ; [L4347] int tmp___1 ; [L4348] struct _ddebug descriptor___0 ; [L4349] long tmp___2 ; [L4350] char *tmp___3 ; [L4351] struct _ddebug descriptor___1 ; [L4352] long tmp___4 ; [L4353] struct _ddebug descriptor___2 ; [L4354] long tmp___5 ; [L4355] raw_spinlock_t *tmp___6 ; [L4356] struct _ddebug descriptor___3 ; [L4357] long tmp___7 ; [L4359] __mptr = (struct device const *)device [L4360] dev = (struct rc_dev *)__mptr [L4361] count = 0 VAL [\old(len)=18446744073709551613, __mptr={0:-1227}, available_protocols=0, count=0, data={210:0}, data={0:-2}, descriptor={202:0}, descriptor___0={208:0}, descriptor___1={206:0}, descriptor___2={207:0}, descriptor___3={209:0}, dev={0:-1227}, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, device={0:-1227}, device={0:-1227}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, len=18446744073709551613, mattr={0:-4}, mattr={0:-4}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, type={205:0}, wq_load={199:0}] [L4362] COND FALSE !((unsigned long )dev == (unsigned long )((struct rc_dev *)0)) [L4366] CALL ldv_mutex_lock_8(& dev->lock) [L5115] CALL ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, lock={0:0}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L6383] COND FALSE !(ldv_mutex_lock_of_rc_dev == 1) VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, lock={0:0}, lock={0:0}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L6385] CALL ldv_error() VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L6023] reach_error() VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 320 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.7s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2795 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2759 mSDsluCounter, 6061 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2583 mSDsCounter, 235 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1227 IncrementalHoareTripleChecker+Invalid, 1462 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 235 mSolverCounterUnsat, 3478 mSDtfsCounter, 1227 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=601occurred in iteration=5, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 87 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 265 ConstructedInterpolants, 0 QuantifiedInterpolants, 509 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 24/24 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 [2022-11-18 20:26:48,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro --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 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:26:51,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:26:51,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:26:51,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:26:51,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:26:51,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:26:51,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:26:51,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:26:51,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:26:51,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:26:51,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:26:51,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:26:51,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:26:51,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:26:51,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:26:51,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:26:51,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:26:51,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:26:51,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:26:51,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:26:51,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:26:51,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:26:51,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:26:51,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:26:51,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:26:51,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:26:51,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:26:51,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:26:51,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:26:51,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:26:51,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:26:51,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:26:51,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:26:51,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:26:51,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:26:51,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:26:51,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:26:51,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:26:51,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:26:51,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:26:51,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:26:51,490 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-18 20:26:51,531 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:26:51,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:26:51,532 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:26:51,533 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:26:51,534 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:26:51,534 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:26:51,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:26:51,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:26:51,536 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:26:51,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:26:51,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:26:51,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:26:51,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:26:51,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:26:51,539 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 20:26:51,539 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 20:26:51,539 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 20:26:51,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:26:51,539 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:26:51,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:26:51,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:26:51,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:26:51,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:26:51,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:26:51,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:26:51,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:26:51,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:26:51,542 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 20:26:51,542 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 20:26:51,542 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:26:51,542 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:26:51,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:26:51,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 20:26:51,543 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 [2022-11-18 20:26:51,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:26:51,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:26:52,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:26:52,002 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:26:52,002 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:26:52,004 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-11-18 20:26:52,077 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/data/9b4e8a057/7195dbc93a74423e82f86fb53b334025/FLAG26b8e88d5 [2022-11-18 20:26:52,878 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:26:52,880 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-11-18 20:26:52,930 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/data/9b4e8a057/7195dbc93a74423e82f86fb53b334025/FLAG26b8e88d5 [2022-11-18 20:26:53,406 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/data/9b4e8a057/7195dbc93a74423e82f86fb53b334025 [2022-11-18 20:26:53,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:26:53,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:26:53,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:26:53,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:26:53,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:26:53,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:26:53" (1/1) ... [2022-11-18 20:26:53,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1574d68b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:53, skipping insertion in model container [2022-11-18 20:26:53,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:26:53" (1/1) ... [2022-11-18 20:26:53,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:26:53,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:26:55,005 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2022-11-18 20:26:55,172 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-18 20:26:55,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:26:55,240 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-18 20:26:55,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:26:55,637 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2022-11-18 20:26:55,652 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-18 20:26:55,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:26:55,675 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:26:56,078 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2022-11-18 20:26:56,095 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-18 20:26:56,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:26:56,206 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:26:56,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:56 WrapperNode [2022-11-18 20:26:56,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:26:56,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:26:56,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:26:56,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:26:56,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:56" (1/1) ... [2022-11-18 20:26:56,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:56" (1/1) ... [2022-11-18 20:26:56,452 INFO L138 Inliner]: procedures = 274, calls = 1866, calls flagged for inlining = 99, calls inlined = 32, statements flattened = 1547 [2022-11-18 20:26:56,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:26:56,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:26:56,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:26:56,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:26:56,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:56" (1/1) ... [2022-11-18 20:26:56,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:56" (1/1) ... [2022-11-18 20:26:56,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:56" (1/1) ... [2022-11-18 20:26:56,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:56" (1/1) ... [2022-11-18 20:26:56,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:56" (1/1) ... [2022-11-18 20:26:56,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:56" (1/1) ... [2022-11-18 20:26:56,592 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:56" (1/1) ... [2022-11-18 20:26:56,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:56" (1/1) ... [2022-11-18 20:26:56,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:26:56,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:26:56,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:26:56,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:26:56,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:56" (1/1) ... [2022-11-18 20:26:56,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:26:56,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:26:56,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:26:56,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:26:56,704 INFO L130 BoogieDeclarations]: Found specification of procedure ir_lookup_by_scancode [2022-11-18 20:26:56,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_lookup_by_scancode [2022-11-18 20:26:56,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-18 20:26:56,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-18 20:26:56,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-18 20:26:56,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 20:26:56,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-18 20:26:56,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 20:26:56,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ir_raw_handler_lock [2022-11-18 20:26:56,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ir_raw_handler_lock [2022-11-18 20:26:56,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 20:26:56,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 20:26:56,706 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_uevent [2022-11-18 20:26:56,706 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_uevent [2022-11-18 20:26:56,706 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 20:26:56,706 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 20:26:56,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 20:26:56,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 20:26:56,706 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-18 20:26:56,707 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-18 20:26:56,707 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 20:26:56,707 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 20:26:56,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:26:56,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:26:56,707 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 20:26:56,707 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 20:26:56,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-18 20:26:56,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-18 20:26:56,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-18 20:26:56,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:26:56,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-18 20:26:56,708 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2022-11-18 20:26:56,709 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2022-11-18 20:26:56,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:26:56,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-18 20:26:56,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-18 20:26:56,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-18 20:26:56,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-18 20:26:56,709 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-18 20:26:56,709 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-18 20:26:56,710 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-18 20:26:56,710 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-18 20:26:56,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_rc_dev [2022-11-18 20:26:56,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_rc_dev [2022-11-18 20:26:56,711 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 20:26:56,711 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 20:26:56,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_rc_dev [2022-11-18 20:26:56,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_rc_dev [2022-11-18 20:26:56,713 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_release [2022-11-18 20:26:56,713 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_release [2022-11-18 20:26:56,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 20:26:56,714 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 20:26:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-18 20:26:56,714 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-18 20:26:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ir_raw_handler_lock [2022-11-18 20:26:56,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ir_raw_handler_lock [2022-11-18 20:26:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-18 20:26:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-18 20:26:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-18 20:26:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-18 20:26:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-18 20:26:56,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-18 20:26:56,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 20:26:56,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 20:26:56,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:26:56,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:26:56,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:26:56,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-18 20:26:56,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-18 20:26:56,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-18 20:26:56,717 INFO L130 BoogieDeclarations]: Found specification of procedure input_scancode_to_scalar [2022-11-18 20:26:56,717 INFO L138 BoogieDeclarations]: Found implementation of procedure input_scancode_to_scalar [2022-11-18 20:26:56,718 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 20:26:56,718 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 20:26:56,718 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-18 20:26:56,718 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-18 20:26:56,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-18 20:26:56,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:26:56,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:26:57,222 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:26:57,225 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:27:05,764 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:27:05,775 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:27:05,775 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:27:05,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:27:05 BoogieIcfgContainer [2022-11-18 20:27:05,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:27:05,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:27:05,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:27:05,784 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:27:05,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:26:53" (1/3) ... [2022-11-18 20:27:05,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0083b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:27:05, skipping insertion in model container [2022-11-18 20:27:05,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:56" (2/3) ... [2022-11-18 20:27:05,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0083b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:27:05, skipping insertion in model container [2022-11-18 20:27:05,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:27:05" (3/3) ... [2022-11-18 20:27:05,788 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-11-18 20:27:05,807 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:27:05,807 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:27:05,874 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:27:05,881 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4c99f29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:27:05,882 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:27:05,888 INFO L276 IsEmpty]: Start isEmpty. Operand has 317 states, 239 states have (on average 1.4142259414225942) internal successors, (338), 250 states have internal predecessors, (338), 52 states have call successors, (52), 24 states have call predecessors, (52), 24 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-11-18 20:27:05,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-18 20:27:05,901 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:05,902 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:05,903 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:27:05,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:05,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1403411196, now seen corresponding path program 1 times [2022-11-18 20:27:05,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:27:05,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1803212104] [2022-11-18 20:27:05,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:05,932 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:27:05,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:27:05,939 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:27:05,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-18 20:27:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:06,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 1330 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:27:06,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:27:07,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:07,030 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:27:07,031 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:27:07,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1803212104] [2022-11-18 20:27:07,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1803212104] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:07,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:07,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:27:07,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350539020] [2022-11-18 20:27:07,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:07,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:27:07,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:27:07,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:27:07,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:27:07,087 INFO L87 Difference]: Start difference. First operand has 317 states, 239 states have (on average 1.4142259414225942) internal successors, (338), 250 states have internal predecessors, (338), 52 states have call successors, (52), 24 states have call predecessors, (52), 24 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:07,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:07,438 INFO L93 Difference]: Finished difference Result 736 states and 1044 transitions. [2022-11-18 20:27:07,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:27:07,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-18 20:27:07,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:07,454 INFO L225 Difference]: With dead ends: 736 [2022-11-18 20:27:07,455 INFO L226 Difference]: Without dead ends: 414 [2022-11-18 20:27:07,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:27:07,464 INFO L413 NwaCegarLoop]: 461 mSDtfsCounter, 142 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:07,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 879 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:27:07,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2022-11-18 20:27:07,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 399. [2022-11-18 20:27:07,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 306 states have (on average 1.4248366013071896) internal successors, (436), 316 states have internal predecessors, (436), 62 states have call successors, (62), 31 states have call predecessors, (62), 30 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2022-11-18 20:27:07,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 551 transitions. [2022-11-18 20:27:07,550 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 551 transitions. Word has length 17 [2022-11-18 20:27:07,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:07,550 INFO L495 AbstractCegarLoop]: Abstraction has 399 states and 551 transitions. [2022-11-18 20:27:07,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:07,551 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 551 transitions. [2022-11-18 20:27:07,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-18 20:27:07,553 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:07,553 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:07,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-18 20:27:07,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:27:07,770 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:27:07,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:07,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1255176370, now seen corresponding path program 1 times [2022-11-18 20:27:07,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:27:07,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1267978633] [2022-11-18 20:27:07,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:07,773 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:27:07,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:27:07,775 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:27:07,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-18 20:27:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:08,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 1257 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:27:08,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:27:08,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:08,762 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:27:08,762 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:27:08,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1267978633] [2022-11-18 20:27:08,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1267978633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:08,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:08,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:27:08,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318534759] [2022-11-18 20:27:08,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:08,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:27:08,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:27:08,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:27:08,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:27:08,766 INFO L87 Difference]: Start difference. First operand 399 states and 551 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:09,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:09,037 INFO L93 Difference]: Finished difference Result 826 states and 1142 transitions. [2022-11-18 20:27:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:27:09,037 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-18 20:27:09,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:09,042 INFO L225 Difference]: With dead ends: 826 [2022-11-18 20:27:09,042 INFO L226 Difference]: Without dead ends: 430 [2022-11-18 20:27:09,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:27:09,046 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 41 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 1275 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:09,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 1275 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:27:09,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2022-11-18 20:27:09,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 373. [2022-11-18 20:27:09,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 290 states have (on average 1.4379310344827587) internal successors, (417), 299 states have internal predecessors, (417), 56 states have call successors, (56), 27 states have call predecessors, (56), 26 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-11-18 20:27:09,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 520 transitions. [2022-11-18 20:27:09,085 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 520 transitions. Word has length 19 [2022-11-18 20:27:09,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:09,086 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 520 transitions. [2022-11-18 20:27:09,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:09,086 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 520 transitions. [2022-11-18 20:27:09,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-18 20:27:09,093 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:09,093 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:09,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-11-18 20:27:09,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:27:09,307 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:27:09,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:09,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1312434672, now seen corresponding path program 1 times [2022-11-18 20:27:09,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:27:09,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1272796623] [2022-11-18 20:27:09,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:09,311 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:27:09,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:27:09,318 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:27:09,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-18 20:27:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:10,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 1253 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:27:10,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:27:10,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:10,223 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:27:10,223 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:27:10,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1272796623] [2022-11-18 20:27:10,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1272796623] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:10,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:10,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:27:10,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682592197] [2022-11-18 20:27:10,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:10,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:27:10,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:27:10,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:27:10,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:27:10,225 INFO L87 Difference]: Start difference. First operand 373 states and 520 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:10,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:10,377 INFO L93 Difference]: Finished difference Result 375 states and 521 transitions. [2022-11-18 20:27:10,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:27:10,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-18 20:27:10,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:10,380 INFO L225 Difference]: With dead ends: 375 [2022-11-18 20:27:10,380 INFO L226 Difference]: Without dead ends: 372 [2022-11-18 20:27:10,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:27:10,382 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 408 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:10,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [408 Valid, 423 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:27:10,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2022-11-18 20:27:10,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2022-11-18 20:27:10,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 290 states have (on average 1.4344827586206896) internal successors, (416), 298 states have internal predecessors, (416), 55 states have call successors, (55), 27 states have call predecessors, (55), 26 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-11-18 20:27:10,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 518 transitions. [2022-11-18 20:27:10,407 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 518 transitions. Word has length 19 [2022-11-18 20:27:10,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:10,408 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 518 transitions. [2022-11-18 20:27:10,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:10,408 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 518 transitions. [2022-11-18 20:27:10,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-18 20:27:10,410 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:10,410 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:10,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:10,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:27:10,623 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:27:10,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:10,624 INFO L85 PathProgramCache]: Analyzing trace with hash 2030613114, now seen corresponding path program 1 times [2022-11-18 20:27:10,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:27:10,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [916854440] [2022-11-18 20:27:10,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:10,627 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:27:10,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:27:10,628 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:27:10,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-18 20:27:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:11,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:27:11,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:27:11,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:11,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:27:11,612 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:27:11,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [916854440] [2022-11-18 20:27:11,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [916854440] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:11,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:11,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:27:11,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160010144] [2022-11-18 20:27:11,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:11,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:27:11,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:27:11,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:27:11,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:27:11,614 INFO L87 Difference]: Start difference. First operand 372 states and 518 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:11,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:11,771 INFO L93 Difference]: Finished difference Result 379 states and 522 transitions. [2022-11-18 20:27:11,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:27:11,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-18 20:27:11,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:11,774 INFO L225 Difference]: With dead ends: 379 [2022-11-18 20:27:11,775 INFO L226 Difference]: Without dead ends: 375 [2022-11-18 20:27:11,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:27:11,776 INFO L413 NwaCegarLoop]: 418 mSDtfsCounter, 391 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:11,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 429 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:27:11,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2022-11-18 20:27:11,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 373. [2022-11-18 20:27:11,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 292 states have (on average 1.4246575342465753) internal successors, (416), 298 states have internal predecessors, (416), 53 states have call successors, (53), 28 states have call predecessors, (53), 27 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-11-18 20:27:11,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 516 transitions. [2022-11-18 20:27:11,804 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 516 transitions. Word has length 20 [2022-11-18 20:27:11,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:11,805 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 516 transitions. [2022-11-18 20:27:11,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:11,805 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 516 transitions. [2022-11-18 20:27:11,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-18 20:27:11,807 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:11,807 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:11,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:12,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:27:12,025 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:27:12,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:12,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1475654093, now seen corresponding path program 1 times [2022-11-18 20:27:12,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:27:12,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [760311865] [2022-11-18 20:27:12,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:12,027 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:27:12,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:27:12,029 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:27:12,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-18 20:27:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:12,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 1255 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:27:12,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:27:12,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:12,913 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:27:12,913 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:27:12,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [760311865] [2022-11-18 20:27:12,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [760311865] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:12,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:12,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:27:12,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704164670] [2022-11-18 20:27:12,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:12,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:27:12,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:27:12,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:27:12,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:27:12,916 INFO L87 Difference]: Start difference. First operand 373 states and 516 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:13,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:13,055 INFO L93 Difference]: Finished difference Result 375 states and 517 transitions. [2022-11-18 20:27:13,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:27:13,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-11-18 20:27:13,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:13,058 INFO L225 Difference]: With dead ends: 375 [2022-11-18 20:27:13,058 INFO L226 Difference]: Without dead ends: 372 [2022-11-18 20:27:13,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:27:13,060 INFO L413 NwaCegarLoop]: 417 mSDtfsCounter, 400 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:13,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 417 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:27:13,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2022-11-18 20:27:13,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2022-11-18 20:27:13,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 292 states have (on average 1.4212328767123288) internal successors, (415), 297 states have internal predecessors, (415), 52 states have call successors, (52), 28 states have call predecessors, (52), 27 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-11-18 20:27:13,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 514 transitions. [2022-11-18 20:27:13,092 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 514 transitions. Word has length 21 [2022-11-18 20:27:13,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:13,092 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 514 transitions. [2022-11-18 20:27:13,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:13,093 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 514 transitions. [2022-11-18 20:27:13,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-18 20:27:13,094 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:13,094 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:13,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:13,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:27:13,302 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:27:13,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:13,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1499217053, now seen corresponding path program 1 times [2022-11-18 20:27:13,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:27:13,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1636732515] [2022-11-18 20:27:13,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:13,304 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:27:13,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:27:13,305 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:27:13,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-18 20:27:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:14,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 1256 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:27:14,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:27:14,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:14,241 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:27:14,241 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:27:14,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1636732515] [2022-11-18 20:27:14,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1636732515] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:14,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:14,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:27:14,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656702686] [2022-11-18 20:27:14,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:14,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:27:14,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:27:14,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:27:14,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:27:14,243 INFO L87 Difference]: Start difference. First operand 372 states and 514 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:14,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:14,436 INFO L93 Difference]: Finished difference Result 552 states and 772 transitions. [2022-11-18 20:27:14,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:27:14,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-18 20:27:14,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:14,439 INFO L225 Difference]: With dead ends: 552 [2022-11-18 20:27:14,440 INFO L226 Difference]: Without dead ends: 548 [2022-11-18 20:27:14,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:27:14,441 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 152 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:14,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 826 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:27:14,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2022-11-18 20:27:14,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 546. [2022-11-18 20:27:14,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 439 states have (on average 1.4464692482915718) internal successors, (635), 445 states have internal predecessors, (635), 68 states have call successors, (68), 40 states have call predecessors, (68), 38 states have return successors, (63), 61 states have call predecessors, (63), 63 states have call successors, (63) [2022-11-18 20:27:14,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 766 transitions. [2022-11-18 20:27:14,486 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 766 transitions. Word has length 22 [2022-11-18 20:27:14,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:14,487 INFO L495 AbstractCegarLoop]: Abstraction has 546 states and 766 transitions. [2022-11-18 20:27:14,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:14,487 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 766 transitions. [2022-11-18 20:27:14,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-18 20:27:14,488 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:14,488 INFO L195 NwaCegarLoop]: 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] [2022-11-18 20:27:14,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:14,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:27:14,710 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:27:14,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:14,711 INFO L85 PathProgramCache]: Analyzing trace with hash -769053066, now seen corresponding path program 1 times [2022-11-18 20:27:14,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:27:14,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1403589848] [2022-11-18 20:27:14,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:14,712 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:27:14,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:27:14,713 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:27:14,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-18 20:27:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:15,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 1257 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:27:15,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:27:15,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:15,613 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:27:15,613 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:27:15,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1403589848] [2022-11-18 20:27:15,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1403589848] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:15,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:15,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:27:15,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933928209] [2022-11-18 20:27:15,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:15,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:27:15,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:27:15,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:27:15,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:27:15,615 INFO L87 Difference]: Start difference. First operand 546 states and 766 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:15,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:15,768 INFO L93 Difference]: Finished difference Result 548 states and 767 transitions. [2022-11-18 20:27:15,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:27:15,786 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-18 20:27:15,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:15,788 INFO L225 Difference]: With dead ends: 548 [2022-11-18 20:27:15,789 INFO L226 Difference]: Without dead ends: 527 [2022-11-18 20:27:15,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:27:15,790 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 396 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:15,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 416 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:27:15,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2022-11-18 20:27:15,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 527. [2022-11-18 20:27:15,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 425 states have (on average 1.4470588235294117) internal successors, (615), 430 states have internal predecessors, (615), 64 states have call successors, (64), 39 states have call predecessors, (64), 37 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2022-11-18 20:27:15,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 739 transitions. [2022-11-18 20:27:15,849 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 739 transitions. Word has length 23 [2022-11-18 20:27:15,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:15,849 INFO L495 AbstractCegarLoop]: Abstraction has 527 states and 739 transitions. [2022-11-18 20:27:15,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:15,850 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 739 transitions. [2022-11-18 20:27:15,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-18 20:27:15,852 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:15,852 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:15,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:16,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:27:16,067 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:27:16,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:16,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1664175646, now seen corresponding path program 1 times [2022-11-18 20:27:16,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:27:16,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [84926176] [2022-11-18 20:27:16,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:16,069 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:27:16,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:27:16,070 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:27:16,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-18 20:27:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:17,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 1458 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:27:17,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:27:17,288 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 20:27:17,288 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:27:17,288 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:27:17,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [84926176] [2022-11-18 20:27:17,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [84926176] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:17,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:17,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:27:17,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955873425] [2022-11-18 20:27:17,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:17,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:27:17,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:27:17,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:27:17,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:27:17,290 INFO L87 Difference]: Start difference. First operand 527 states and 739 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 20:27:17,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:17,480 INFO L93 Difference]: Finished difference Result 1050 states and 1474 transitions. [2022-11-18 20:27:17,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:27:17,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 62 [2022-11-18 20:27:17,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:17,484 INFO L225 Difference]: With dead ends: 1050 [2022-11-18 20:27:17,484 INFO L226 Difference]: Without dead ends: 526 [2022-11-18 20:27:17,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:27:17,486 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 384 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:17,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 690 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:27:17,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2022-11-18 20:27:17,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2022-11-18 20:27:17,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 425 states have (on average 1.4423529411764706) internal successors, (613), 429 states have internal predecessors, (613), 63 states have call successors, (63), 39 states have call predecessors, (63), 37 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2022-11-18 20:27:17,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 734 transitions. [2022-11-18 20:27:17,533 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 734 transitions. Word has length 62 [2022-11-18 20:27:17,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:17,533 INFO L495 AbstractCegarLoop]: Abstraction has 526 states and 734 transitions. [2022-11-18 20:27:17,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 20:27:17,534 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 734 transitions. [2022-11-18 20:27:17,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-18 20:27:17,536 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:17,536 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:17,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-11-18 20:27:17,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:27:17,776 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:27:17,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:17,777 INFO L85 PathProgramCache]: Analyzing trace with hash -656103517, now seen corresponding path program 1 times [2022-11-18 20:27:17,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:27:17,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777238349] [2022-11-18 20:27:17,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:17,778 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:27:17,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:27:17,780 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:27:17,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-18 20:27:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:18,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 1417 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:27:18,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:27:18,739 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 20:27:18,739 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:27:18,739 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:27:18,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777238349] [2022-11-18 20:27:18,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1777238349] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:18,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:18,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:27:18,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413037627] [2022-11-18 20:27:18,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:18,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:27:18,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:27:18,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:27:18,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:27:18,742 INFO L87 Difference]: Start difference. First operand 526 states and 734 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 20:27:18,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:18,912 INFO L93 Difference]: Finished difference Result 528 states and 735 transitions. [2022-11-18 20:27:18,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:27:18,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 71 [2022-11-18 20:27:18,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:18,916 INFO L225 Difference]: With dead ends: 528 [2022-11-18 20:27:18,916 INFO L226 Difference]: Without dead ends: 525 [2022-11-18 20:27:18,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:27:18,917 INFO L413 NwaCegarLoop]: 412 mSDtfsCounter, 1 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:18,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 809 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:27:18,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2022-11-18 20:27:18,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 525. [2022-11-18 20:27:18,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 425 states have (on average 1.44) internal successors, (612), 428 states have internal predecessors, (612), 62 states have call successors, (62), 39 states have call predecessors, (62), 37 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2022-11-18 20:27:19,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 732 transitions. [2022-11-18 20:27:19,002 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 732 transitions. Word has length 71 [2022-11-18 20:27:19,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:19,003 INFO L495 AbstractCegarLoop]: Abstraction has 525 states and 732 transitions. [2022-11-18 20:27:19,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 20:27:19,004 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 732 transitions. [2022-11-18 20:27:19,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-18 20:27:19,006 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:19,007 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:19,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:19,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:27:19,231 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:27:19,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:19,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1176347224, now seen corresponding path program 1 times [2022-11-18 20:27:19,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:27:19,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1272736966] [2022-11-18 20:27:19,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:19,234 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:27:19,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:27:19,241 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:27:19,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-18 20:27:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:27:51,799 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:12,587 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-18 20:29:12,587 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 20:29:12,588 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 20:29:12,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:12,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:29:12,810 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:29:12,814 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:29:13,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:29:13 BoogieIcfgContainer [2022-11-18 20:29:13,062 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:29:13,063 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:29:13,063 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:29:13,063 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:29:13,064 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:27:05" (3/4) ... [2022-11-18 20:29:13,067 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:29:13,067 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:29:13,067 INFO L158 Benchmark]: Toolchain (without parser) took 139657.24ms. Allocated memory was 79.7MB in the beginning and 264.2MB in the end (delta: 184.5MB). Free memory was 55.3MB in the beginning and 182.1MB in the end (delta: -126.8MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2022-11-18 20:29:13,068 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 79.7MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:29:13,068 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2790.89ms. Allocated memory was 79.7MB in the beginning and 146.8MB in the end (delta: 67.1MB). Free memory was 55.1MB in the beginning and 60.6MB in the end (delta: -5.5MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. [2022-11-18 20:29:13,068 INFO L158 Benchmark]: Boogie Procedure Inliner took 244.65ms. Allocated memory is still 146.8MB. Free memory was 60.6MB in the beginning and 90.6MB in the end (delta: -30.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2022-11-18 20:29:13,069 INFO L158 Benchmark]: Boogie Preprocessor took 171.03ms. Allocated memory is still 146.8MB. Free memory was 90.6MB in the beginning and 80.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:29:13,069 INFO L158 Benchmark]: RCFGBuilder took 9153.12ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 80.1MB in the beginning and 102.1MB in the end (delta: -22.0MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2022-11-18 20:29:13,070 INFO L158 Benchmark]: TraceAbstraction took 127281.78ms. Allocated memory was 182.5MB in the beginning and 264.2MB in the end (delta: 81.8MB). Free memory was 102.1MB in the beginning and 182.1MB in the end (delta: -80.1MB). Peak memory consumption was 111.3MB. Max. memory is 16.1GB. [2022-11-18 20:29:13,070 INFO L158 Benchmark]: Witness Printer took 4.01ms. Allocated memory is still 264.2MB. Free memory is still 182.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:29:13,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 79.7MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2790.89ms. Allocated memory was 79.7MB in the beginning and 146.8MB in the end (delta: 67.1MB). Free memory was 55.1MB in the beginning and 60.6MB in the end (delta: -5.5MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 244.65ms. Allocated memory is still 146.8MB. Free memory was 60.6MB in the beginning and 90.6MB in the end (delta: -30.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 171.03ms. Allocated memory is still 146.8MB. Free memory was 90.6MB in the beginning and 80.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 9153.12ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 80.1MB in the beginning and 102.1MB in the end (delta: -22.0MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * TraceAbstraction took 127281.78ms. Allocated memory was 182.5MB in the beginning and 264.2MB in the end (delta: 81.8MB). Free memory was 102.1MB in the beginning and 182.1MB in the end (delta: -80.1MB). Peak memory consumption was 111.3MB. Max. memory is 16.1GB. * Witness Printer took 4.01ms. Allocated memory is still 264.2MB. Free memory is still 182.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 6023]: 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 4578. Possible FailurePath: [L4581] static struct attribute *rc_dev_attrs[2U] = { & dev_attr_protocols.attr, 0}; [L4578-L4580] static struct device_attribute dev_attr_protocols = {{"protocols", 420U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & show_protocols, & store_protocols}; [L4584-L4585] static struct device_type rc_dev_type = {0, (struct attribute_group const **)(& rc_dev_attr_groups), & rc_dev_uevent, 0, & rc_dev_release, 0}; [L6040] static int ldv_mutex_cred_guard_mutex_of_signal_struct ; [L3552-L3559] static struct rc_map_list empty_map = {{0, 0}, {(struct rc_map_table *)(& empty), 1U, 0U, 0U, 0, "rc-empty", {{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}}}; [L4582] static struct attribute_group rc_dev_attr_grp = {0, 0, (struct attribute **)(& rc_dev_attrs)}; [L3551] static struct rc_map_table empty[1U] = { {42U, 152U}}; [L4892] struct device_attribute *dev_attr_protocols_group1 ; [L5303] static u64 available_protocols ; [L6245] static int ldv_mutex_lock ; [L4239-L4251] static struct __anonstruct_proto_names_168 proto_names[12U] = { {0ULL, (char *)"none"}, {2ULL, (char *)"other"}, {1ULL, (char *)"unknown"}, {24ULL, (char *)"rc-5"}, {1024ULL, (char *)"nec"}, {253952ULL, (char *)"rc-6"}, {64ULL, (char *)"jvc"}, {896ULL, (char *)"sony"}, {32ULL, (char *)"rc-5-sz"}, {2048ULL, (char *)"sanyo"}, {4096ULL, (char *)"mce_kbd"}, {4ULL, (char *)"lirc"}}; [L4885] struct device *dev_attr_protocols_group0 ; [L3301] int ref_cnt ; [L5298-L5301] static struct mutex ir_raw_handler_lock = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "ir_raw_handler_lock.wait_lock", 0, 0UL}}}}, {& ir_raw_handler_lock.wait_list, & ir_raw_handler_lock.wait_list}, 0, 0, (void *)(& ir_raw_handler_lock), {0, {0, 0}, "ir_raw_handler_lock", 0, 0UL}}; [L5302] static struct list_head ir_raw_handler_list = {& ir_raw_handler_list, & ir_raw_handler_list}; [L4583] static struct attribute_group const *rc_dev_attr_groups[2U] = { (struct attribute_group const *)(& rc_dev_attr_grp), 0}; [L4894] struct device *rc_dev_type_group0 ; [L3472] static struct list_head rc_map_list = {& rc_map_list, & rc_map_list}; [L3412] int rc_core_debug ; [L4895] umode_t *ldvarg2 ; [L4884] char *ldvarg3 ; [L4237-L4238] static struct class ir_input_class = {"rc", 0, 0, 0, 0, 0, 0, & ir_devnode, 0, 0, 0, 0, 0, 0, 0, 0}; [L4886] struct kobj_uevent_env *ldvarg0 ; [L4888] struct device *ldvarg1 ; [L5304] static struct work_struct wq_load ; [L4890] size_t ldvarg4 ; [L4887] char *ldvarg5 ; [L3473-L3474] static spinlock_t rc_map_lock = {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "rc_map_lock", 0, 0UL}}}}; [L6143] static int ldv_mutex_ir_raw_handler_lock ; [L4889] int ldv_retval_0 ; [L5297] static struct list_head ir_raw_client_list = {& ir_raw_client_list, & ir_raw_client_list}; [L6347] static int ldv_mutex_lock_of_rc_dev ; [L3300] int ldv_state_variable_2 ; [L3298] int ldv_state_variable_3 ; [L3302] int ldv_state_variable_0 ; [L6449] static int ldv_mutex_mutex_of_device ; [L3299] int ldv_state_variable_1 ; VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:0}, dev_attr_protocols_group1={0:0}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=0, ldv_mutex_ir_raw_handler_lock=0, ldv_mutex_lock=0, ldv_mutex_lock_of_rc_dev=0, ldv_mutex_mutex_of_device=0, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:0}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0={0:0}, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L4898] int tmp ; [L4899] int tmp___0 ; [L4900] int tmp___1 ; [L4901] int tmp___2 ; [L4902] int tmp___3 ; [L4904] ldvarg0 = (struct kobj_uevent_env*) __VERIFIER_nondet_long () [L4905] ldvarg1 = (struct device*) __VERIFIER_nondet_long () [L4906] ldvarg2 = (umode_t *) __VERIFIER_nondet_long () [L4907] ldvarg3 = (char*) __VERIFIER_nondet_long () [L4908] ldvarg4 = (size_t) __VERIFIER_nondet_long () [L4909] ldvarg5 = (char*) __VERIFIER_nondet_long () [L4910] dev_attr_protocols_group0 = (struct device *)__VERIFIER_nondet_long () [L4911] dev_attr_protocols_group1 = (struct device_attribute *)__VERIFIER_nondet_long () [L4912] rc_dev_type_group0 = (struct device*) __VERIFIER_nondet_long () [L4913] CALL ldv_initialize() [L6554] ldv_mutex_cred_guard_mutex_of_signal_struct = 1 [L6555] ldv_mutex_ir_raw_handler_lock = 1 [L6556] ldv_mutex_lock = 1 [L6557] ldv_mutex_lock_of_rc_dev = 1 [L6558] ldv_mutex_mutex_of_device = 1 VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L4913] RET ldv_initialize() [L4914] ldv_state_variable_1 = 0 [L4915] ref_cnt = 0 [L4916] ldv_state_variable_0 = 1 [L4917] ldv_state_variable_3 = 0 [L4918] ldv_state_variable_2 = 0 VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=1, wq_load={199:0}] [L4962] COND TRUE ldv_state_variable_0 != 0 [L4963] tmp___1 = __VERIFIER_nondet_int() [L4965] case 0: [L4973] case 1: VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={199:0}] [L4974] COND TRUE ldv_state_variable_0 == 1 [L4975] CALL, EXPR rc_core_init() [L4861] int rc ; [L4862] struct lock_class_key __key ; [L4863] int tmp ; [L4865] CALL, EXPR __class_register(& ir_input_class, & __key) [L6590] return __VERIFIER_nondet_int(); [L4865] RET, EXPR __class_register(& ir_input_class, & __key) [L4865] tmp = __class_register(& ir_input_class, & __key) [L4866] rc = tmp VAL [__key={225:0}, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={193:0}, rc=0, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=0, wq_load={199:0}] [L4867] COND FALSE !(rc != 0) [L4872] CALL rc_map_register(& empty_map) [L3536] CALL spin_lock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L3319] FCALL _raw_spin_lock(& lock->ldv_5961.rlock) [L3536] RET spin_lock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, map={190:0}, map={190:0}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L3537] CALL list_add_tail(& map->list, & rc_map_list) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L3236] EXPR head->prev [L3236] FCALL __list_add(new, head->prev, head) [L3537] RET list_add_tail(& map->list, & rc_map_list) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, map={190:0}, map={190:0}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L3538] CALL spin_unlock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L3326] FCALL _raw_spin_unlock(& lock->ldv_5961.rlock) [L3538] RET spin_unlock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, map={190:0}, map={190:0}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L3539] return (0); VAL [\result=0, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, map={190:0}, map={190:0}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L4872] RET rc_map_register(& empty_map) [L4873] return (0); [L4873] return (0); VAL [\result=0, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={193:0}, rc=0, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=0, wq_load={199:0}] [L4975] RET, EXPR rc_core_init() [L4975] ldv_retval_0 = rc_core_init() [L4976] COND TRUE ldv_retval_0 == 0 [L4977] ldv_state_variable_0 = 3 [L4978] ldv_state_variable_2 = 1 [L4979] ldv_state_variable_3 = 1 [L4980] ldv_state_variable_1 = 1 VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={199:0}] [L4983] COND FALSE !(ldv_retval_0 != 0) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={199:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: [L4998] case 2: [L5016] case 3: VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=3, tmp___1=1, wq_load={199:0}] [L5017] COND TRUE ldv_state_variable_2 != 0 [L5018] tmp___3 = __VERIFIER_nondet_int() [L5020] case 0: [L5028] case 1: VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={199:0}] [L5029] COND TRUE ldv_state_variable_2 == 1 [L5030] CALL show_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, ldvarg3) [L4254] struct rc_dev *dev ; [L4255] struct device const *__mptr ; [L4256] u64 allowed ; [L4257] u64 enabled ; [L4258] char *tmp ; [L4259] int i ; [L4260] struct _ddebug descriptor ; [L4261] long tmp___0 ; [L4262] int tmp___1 ; [L4263] int tmp___2 ; [L4265] __mptr = (struct device const *)device [L4266] dev = (struct rc_dev *)__mptr [L4267] tmp = buf VAL [__mptr={0:6926538995811766661}, available_protocols=0, buf={0:202}, buf={0:202}, descriptor={225:0}, dev={0:6926538995811766661}, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, device={0:6926538995811766661}, device={0:6926538995811766661}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, mattr={0:203}, mattr={0:203}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp={0:202}, wq_load={199:0}] [L4268] COND FALSE !((unsigned long )dev == (unsigned long )((struct rc_dev *)0)) [L4272] CALL ldv_mutex_lock_6(& dev->lock) [L5099] CALL ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) VAL [\old(ldv_mutex_lock_of_rc_dev)=1, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, lock={0:6926538995811767888}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L6383] COND TRUE ldv_mutex_lock_of_rc_dev == 1 VAL [\old(ldv_mutex_lock_of_rc_dev)=1, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, lock={0:6926538995811767888}, lock={0:6926538995811767888}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L6387] ldv_mutex_lock_of_rc_dev = 2 VAL [\old(ldv_mutex_lock_of_rc_dev)=1, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, lock={0:6926538995811767888}, lock={0:6926538995811767888}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L5099] RET ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_func_arg1={0:6926538995811767888}, ldv_func_arg1={0:6926538995811767888}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L5100] FCALL mutex_lock(ldv_func_arg1) VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_func_arg1={0:6926538995811767888}, ldv_func_arg1={0:6926538995811767888}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L4272] RET ldv_mutex_lock_6(& dev->lock) [L4273] EXPR dev->driver_type VAL [__mptr={0:6926538995811766661}, available_protocols=0, buf={0:202}, buf={0:202}, descriptor={225:0}, dev={0:6926538995811766661}, dev->driver_type=-2147483648, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, device={0:6926538995811766661}, device={0:6926538995811766661}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, mattr={0:203}, mattr={0:203}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp={0:202}, wq_load={199:0}] [L4273] COND FALSE !((unsigned int )dev->driver_type == 0U) [L4277] EXPR dev->raw VAL [__mptr={0:6926538995811766661}, available_protocols=0, buf={0:202}, buf={0:202}, descriptor={225:0}, dev={0:6926538995811766661}, dev->raw={-216172782114046208:216172782114046208}, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, device={0:6926538995811766661}, device={0:6926538995811766661}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, mattr={0:203}, mattr={0:203}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp={0:202}, wq_load={199:0}] [L4277] COND FALSE !((unsigned long )dev->raw != (unsigned long )((struct ir_raw_event_ctrl *)0)) [L4281] return (-19L); [L4281] return (-19L); VAL [\result=-19, __mptr={0:6926538995811766661}, available_protocols=0, buf={0:202}, buf={0:202}, dev={0:6926538995811766661}, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, device={0:6926538995811766661}, device={0:6926538995811766661}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, mattr={0:203}, mattr={0:203}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp={0:202}, wq_load={199:0}] [L5030] RET show_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, ldvarg3) [L5031] ldv_state_variable_2 = 1 VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={199:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: [L4998] case 2: [L5016] case 3: VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={199:0}] [L5017] COND TRUE ldv_state_variable_2 != 0 [L5018] tmp___3 = __VERIFIER_nondet_int() [L5020] case 0: VAL [available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=0, wq_load={199:0}] [L5021] COND TRUE ldv_state_variable_2 == 1 [L5022-L5023] CALL store_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, (char const *)ldvarg5, ldvarg4) [L4333] struct rc_dev *dev ; [L4334] struct device const *__mptr ; [L4335] bool enable ; [L4336] bool disable ; [L4337] char const *tmp ; [L4338] u64 type ; [L4339] u64 mask ; [L4340] int rc ; [L4341] int i ; [L4342] int count ; [L4343] unsigned long flags ; [L4344] ssize_t ret ; [L4345] struct _ddebug descriptor ; [L4346] long tmp___0 ; [L4347] int tmp___1 ; [L4348] struct _ddebug descriptor___0 ; [L4349] long tmp___2 ; [L4350] char *tmp___3 ; [L4351] struct _ddebug descriptor___1 ; [L4352] long tmp___4 ; [L4353] struct _ddebug descriptor___2 ; [L4354] long tmp___5 ; [L4355] raw_spinlock_t *tmp___6 ; [L4356] struct _ddebug descriptor___3 ; [L4357] long tmp___7 ; [L4359] __mptr = (struct device const *)device [L4360] dev = (struct rc_dev *)__mptr [L4361] count = 0 VAL [\old(len)=204, __mptr={0:6926538995811766661}, available_protocols=0, count=0, data={225:0}, data={0:2}, descriptor={-9223363240224882480:0}, descriptor___0={4210724:0}, descriptor___1={220:0}, descriptor___2={224:0}, descriptor___3={2130094:0}, dev={0:6926538995811766661}, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, device={0:6926538995811766661}, device={0:6926538995811766661}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg4=204, ldvarg5={0:2}, len=204, mattr={0:203}, mattr={0:203}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, type={215:0}, wq_load={199:0}] [L4362] COND FALSE !((unsigned long )dev == (unsigned long )((struct rc_dev *)0)) [L4366] CALL ldv_mutex_lock_8(& dev->lock) [L5115] CALL ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg4=204, ldvarg5={0:2}, lock={0:6926538995811767888}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L6383] COND FALSE !(ldv_mutex_lock_of_rc_dev == 1) VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg4=204, ldvarg5={0:2}, lock={0:6926538995811767888}, lock={0:6926538995811767888}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L6385] CALL ldv_error() VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg4=204, ldvarg5={0:2}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] [L6023] reach_error() VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={188:0}, dev_attr_protocols_group0={0:6926538995811766661}, dev_attr_protocols_group1={0:203}, empty={192:0}, empty_map={190:0}, ir_input_class={198:0}, ir_raw_client_list={201:0}, ir_raw_handler_list={195:0}, ir_raw_handler_lock={194:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg4=204, ldvarg5={0:2}, proto_names={193:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={191:0}, rc_dev_attrs={187:0}, rc_dev_type={189:0}, rc_dev_type_group0=null, rc_map_list={197:0}, rc_map_lock={200:0}, ref_cnt=0, wq_load={199:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 317 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 127.0s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2315 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2315 mSDsluCounter, 6164 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2221 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 3943 mSDtfsCounter, 52 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 266 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=546occurred in iteration=6, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 76 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 38.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 265 ConstructedInterpolants, 0 QuantifiedInterpolants, 503 SizeOfPredicates, 4 NumberOfNonLiveVariables, 11737 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 9/9 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 [2022-11-18 20:29:13,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b30392-55ca-4e80-be2c-605fa6f973a0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample