./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d7688e-e808-4bd3-be44-bdf5596b1b7d/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d7688e-e808-4bd3-be44-bdf5596b1b7d/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d7688e-e808-4bd3-be44-bdf5596b1b7d/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d7688e-e808-4bd3-be44-bdf5596b1b7d/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d7688e-e808-4bd3-be44-bdf5596b1b7d/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d7688e-e808-4bd3-be44-bdf5596b1b7d/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 23b299466df567728bd01cdd7606fd8853010375cabd6f3e05e43d9cfc96a45f --- 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-2329fc7 [2022-12-14 10:58:56,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:58:56,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:58:56,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:58:56,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:58:56,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:58:56,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:58:56,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:58:56,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:58:56,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:58:56,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:58:56,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:58:56,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:58:56,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:58:56,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:58:56,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:58:56,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:58:56,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:58:56,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:58:56,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:58:56,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:58:56,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:58:56,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:58:56,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:58:56,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:58:56,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:58:56,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:58:56,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:58:56,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:58:56,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:58:56,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:58:56,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:58:56,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:58:56,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:58:56,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:58:56,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:58:56,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:58:56,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:58:56,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:58:56,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:58:56,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:58:56,289 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d7688e-e808-4bd3-be44-bdf5596b1b7d/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 10:58:56,303 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:58:56,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:58:56,303 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:58:56,303 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:58:56,304 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:58:56,304 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:58:56,304 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:58:56,304 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:58:56,304 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:58:56,305 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 10:58:56,305 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:58:56,305 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:58:56,305 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 10:58:56,305 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 10:58:56,305 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:58:56,305 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 10:58:56,306 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 10:58:56,306 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 10:58:56,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:58:56,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:58:56,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:58:56,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:58:56,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:58:56,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:58:56,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:58:56,307 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:58:56,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:58:56,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:58:56,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:58:56,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:58:56,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:58:56,308 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 10:58:56,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:58:56,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:58:56,308 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 10:58:56,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 10:58:56,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:58:56,309 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:58:56,309 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_05d7688e-e808-4bd3-be44-bdf5596b1b7d/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d7688e-e808-4bd3-be44-bdf5596b1b7d/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b299466df567728bd01cdd7606fd8853010375cabd6f3e05e43d9cfc96a45f [2022-12-14 10:58:56,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:58:56,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:58:56,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:58:56,485 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:58:56,485 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:58:56,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d7688e-e808-4bd3-be44-bdf5596b1b7d/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2022-12-14 10:58:59,053 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:58:59,347 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:58:59,348 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d7688e-e808-4bd3-be44-bdf5596b1b7d/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2022-12-14 10:58:59,367 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d7688e-e808-4bd3-be44-bdf5596b1b7d/bin/utaipan-gh47qXpMRh/data/2241ed74a/d1fda00e19494cd082fd963f509b6918/FLAGdc437ee76 [2022-12-14 10:58:59,612 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d7688e-e808-4bd3-be44-bdf5596b1b7d/bin/utaipan-gh47qXpMRh/data/2241ed74a/d1fda00e19494cd082fd963f509b6918 [2022-12-14 10:58:59,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:58:59,615 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:58:59,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:58:59,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:58:59,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:58:59,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:58:59" (1/1) ... [2022-12-14 10:58:59,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@483bed32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:58:59, skipping insertion in model container [2022-12-14 10:58:59,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:58:59" (1/1) ... [2022-12-14 10:58:59,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:58:59,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:58:59,890 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2395] [2022-12-14 10:58:59,891 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2396-2397] [2022-12-14 10:58:59,939 WARN L237 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_05d7688e-e808-4bd3-be44-bdf5596b1b7d/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i[74571,74584] [2022-12-14 10:58:59,977 WARN L623 FunctionHandler]: Unknown extern function hid_open_report [2022-12-14 10:58:59,983 WARN L623 FunctionHandler]: Unknown extern function hid_connect [2022-12-14 10:58:59,986 WARN L623 FunctionHandler]: Unknown extern function hid_disconnect [2022-12-14 10:58:59,995 WARN L623 FunctionHandler]: Unknown extern function __hid_request [2022-12-14 10:58:59,999 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:00,003 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:00,007 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:59:00,010 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:59:00,011 WARN L623 FunctionHandler]: Unknown extern function input_ff_create_memless [2022-12-14 10:59:00,012 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 10:59:00,012 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:59:00,016 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:59:00,017 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:59:00,018 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:59:00,019 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:59:00,019 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:59:00,026 WARN L623 FunctionHandler]: Unknown extern function __hid_register_driver [2022-12-14 10:59:00,029 WARN L623 FunctionHandler]: Unknown extern function hid_unregister_driver [2022-12-14 10:59:00,036 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 10:59:00,039 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-14 10:59:00,044 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-14 10:59:00,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:59:00,071 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:59:00,120 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2395] [2022-12-14 10:59:00,121 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2396-2397] [2022-12-14 10:59:00,125 WARN L237 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_05d7688e-e808-4bd3-be44-bdf5596b1b7d/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i[74571,74584] [2022-12-14 10:59:00,128 WARN L623 FunctionHandler]: Unknown extern function hid_open_report [2022-12-14 10:59:00,131 WARN L623 FunctionHandler]: Unknown extern function hid_connect [2022-12-14 10:59:00,161 WARN L623 FunctionHandler]: Unknown extern function hid_disconnect [2022-12-14 10:59:00,166 WARN L623 FunctionHandler]: Unknown extern function __hid_request [2022-12-14 10:59:00,167 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:00,169 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:00,171 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:59:00,172 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:59:00,173 WARN L623 FunctionHandler]: Unknown extern function input_ff_create_memless [2022-12-14 10:59:00,173 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 10:59:00,174 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:59:00,176 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:59:00,176 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:59:00,177 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:59:00,177 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:59:00,177 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:59:00,179 WARN L623 FunctionHandler]: Unknown extern function __hid_register_driver [2022-12-14 10:59:00,180 WARN L623 FunctionHandler]: Unknown extern function hid_unregister_driver [2022-12-14 10:59:00,180 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 10:59:00,182 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-14 10:59:00,190 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-14 10:59:00,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:59:00,212 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:59:00,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:00 WrapperNode [2022-12-14 10:59:00,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:59:00,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:59:00,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:59:00,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:59:00,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:00" (1/1) ... [2022-12-14 10:59:00,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:00" (1/1) ... [2022-12-14 10:59:00,263 INFO L138 Inliner]: procedures = 76, calls = 196, calls flagged for inlining = 30, calls inlined = 26, statements flattened = 526 [2022-12-14 10:59:00,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:59:00,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:59:00,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:59:00,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:59:00,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:00" (1/1) ... [2022-12-14 10:59:00,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:00" (1/1) ... [2022-12-14 10:59:00,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:00" (1/1) ... [2022-12-14 10:59:00,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:00" (1/1) ... [2022-12-14 10:59:00,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:00" (1/1) ... [2022-12-14 10:59:00,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:00" (1/1) ... [2022-12-14 10:59:00,311 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:00" (1/1) ... [2022-12-14 10:59:00,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:00" (1/1) ... [2022-12-14 10:59:00,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:59:00,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:59:00,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:59:00,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:59:00,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:00" (1/1) ... [2022-12-14 10:59:00,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:59:00,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d7688e-e808-4bd3-be44-bdf5596b1b7d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:59:00,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d7688e-e808-4bd3-be44-bdf5596b1b7d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:59:00,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d7688e-e808-4bd3-be44-bdf5596b1b7d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:59:00,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:59:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_request [2022-12-14 10:59:00,374 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_request [2022-12-14 10:59:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 10:59:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 10:59:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 10:59:00,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 10:59:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 10:59:00,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 10:59:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 10:59:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 10:59:00,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 10:59:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 10:59:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_stop [2022-12-14 10:59:00,375 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_stop [2022-12-14 10:59:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure ax_remove [2022-12-14 10:59:00,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_remove [2022-12-14 10:59:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 10:59:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 10:59:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_close [2022-12-14 10:59:00,376 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_close [2022-12-14 10:59:00,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 10:59:00,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 10:59:00,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 10:59:00,376 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 10:59:00,376 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 10:59:00,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 10:59:00,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 10:59:00,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 10:59:00,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 10:59:00,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:59:00,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:59:00,535 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:59:00,536 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:59:00,619 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 10:59:00,865 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:59:00,959 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:59:00,959 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 10:59:00,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:59:00 BoogieIcfgContainer [2022-12-14 10:59:00,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:59:00,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:59:00,963 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:59:00,965 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:59:00,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:58:59" (1/3) ... [2022-12-14 10:59:00,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79464fb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:59:00, skipping insertion in model container [2022-12-14 10:59:00,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:00" (2/3) ... [2022-12-14 10:59:00,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79464fb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:59:00, skipping insertion in model container [2022-12-14 10:59:00,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:59:00" (3/3) ... [2022-12-14 10:59:00,967 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2022-12-14 10:59:00,981 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:59:00,981 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 10:59:01,019 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 10:59:01,023 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@384ad5b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 10:59:01,023 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 10:59:01,027 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 67 states have (on average 1.462686567164179) internal successors, (98), 72 states have internal predecessors, (98), 18 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-14 10:59:01,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 10:59:01,033 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:59:01,034 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, 1, 1, 1, 1] [2022-12-14 10:59:01,034 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:59:01,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:59:01,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1955931040, now seen corresponding path program 1 times [2022-12-14 10:59:01,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:59:01,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652161918] [2022-12-14 10:59:01,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:59:01,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:59:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:59:01,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 10:59:01,336 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:59:01,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652161918] [2022-12-14 10:59:01,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652161918] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:59:01,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:59:01,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:59:01,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45776623] [2022-12-14 10:59:01,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:59:01,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:59:01,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:59:01,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:59:01,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:59:01,375 INFO L87 Difference]: Start difference. First operand has 96 states, 67 states have (on average 1.462686567164179) internal successors, (98), 72 states have internal predecessors, (98), 18 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 10:59:01,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:59:01,510 INFO L93 Difference]: Finished difference Result 192 states and 265 transitions. [2022-12-14 10:59:01,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:59:01,512 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), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 27 [2022-12-14 10:59:01,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:59:01,520 INFO L225 Difference]: With dead ends: 192 [2022-12-14 10:59:01,520 INFO L226 Difference]: Without dead ends: 89 [2022-12-14 10:59:01,524 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 [2022-12-14 10:59:01,527 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 37 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:59:01,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 172 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 10:59:01,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-12-14 10:59:01,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2022-12-14 10:59:01,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 74 states have (on average 1.4054054054054055) internal successors, (104), 74 states have internal predecessors, (104), 8 states have call successors, (8), 7 states have call predecessors, (8), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-14 10:59:01,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 119 transitions. [2022-12-14 10:59:01,571 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 119 transitions. Word has length 27 [2022-12-14 10:59:01,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:59:01,571 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 119 transitions. [2022-12-14 10:59:01,571 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), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 10:59:01,571 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 119 transitions. [2022-12-14 10:59:01,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 10:59:01,574 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:59:01,574 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] [2022-12-14 10:59:01,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 10:59:01,575 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:59:01,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:59:01,576 INFO L85 PathProgramCache]: Analyzing trace with hash 412520275, now seen corresponding path program 1 times [2022-12-14 10:59:01,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:59:01,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880763140] [2022-12-14 10:59:01,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:59:01,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:59:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:59:01,768 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 10:59:01,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:59:01,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880763140] [2022-12-14 10:59:01,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880763140] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:59:01,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:59:01,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:59:01,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436297231] [2022-12-14 10:59:01,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:59:01,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:59:01,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:59:01,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:59:01,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:59:01,772 INFO L87 Difference]: Start difference. First operand 89 states and 119 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 10:59:01,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:59:01,838 INFO L93 Difference]: Finished difference Result 89 states and 119 transitions. [2022-12-14 10:59:01,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:59:01,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2022-12-14 10:59:01,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:59:01,840 INFO L225 Difference]: With dead ends: 89 [2022-12-14 10:59:01,840 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 10:59:01,840 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 [2022-12-14 10:59:01,842 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 58 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:59:01,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 65 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 10:59:01,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 10:59:01,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 10:59:01,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:59:01,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 10:59:01,844 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2022-12-14 10:59:01,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:59:01,844 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 10:59:01,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 10:59:01,844 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 10:59:01,845 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 10:59:01,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 10:59:01,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 10:59:01,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 10:59:01,920 INFO L899 garLoopResultBuilder]: For program point hid_hw_requestEXIT(lines 2662 2675) no Hoare annotation was computed. [2022-12-14 10:59:01,920 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2662 2675) the Hoare annotation is: true [2022-12-14 10:59:01,920 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2639 2646) the Hoare annotation is: true [2022-12-14 10:59:01,920 INFO L899 garLoopResultBuilder]: For program point hid_hw_stopEXIT(lines 2639 2646) no Hoare annotation was computed. [2022-12-14 10:59:01,920 INFO L899 garLoopResultBuilder]: For program point L2643-1(line 2643) no Hoare annotation was computed. [2022-12-14 10:59:01,920 INFO L902 garLoopResultBuilder]: At program point L2643(line 2643) the Hoare annotation is: true [2022-12-14 10:59:01,921 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2499 2501) the Hoare annotation is: true [2022-12-14 10:59:01,921 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 2499 2501) no Hoare annotation was computed. [2022-12-14 10:59:01,921 INFO L899 garLoopResultBuilder]: For program point L2658-1(line 2658) no Hoare annotation was computed. [2022-12-14 10:59:01,921 INFO L899 garLoopResultBuilder]: For program point hid_hw_closeEXIT(lines 2655 2661) no Hoare annotation was computed. [2022-12-14 10:59:01,921 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2655 2661) the Hoare annotation is: true [2022-12-14 10:59:01,921 INFO L902 garLoopResultBuilder]: At program point L2658(line 2658) the Hoare annotation is: true [2022-12-14 10:59:01,921 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 2552 2558) the Hoare annotation is: true [2022-12-14 10:59:01,922 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2556) no Hoare annotation was computed. [2022-12-14 10:59:01,922 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 2552 2558) no Hoare annotation was computed. [2022-12-14 10:59:01,922 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-12-14 10:59:01,922 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-12-14 10:59:01,922 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2022-12-14 10:59:01,922 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-14 10:59:01,922 INFO L899 garLoopResultBuilder]: For program point L2526(lines 2526 2533) no Hoare annotation was computed. [2022-12-14 10:59:01,922 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2519 2535) the Hoare annotation is: true [2022-12-14 10:59:01,923 INFO L899 garLoopResultBuilder]: For program point ldv_zallocEXIT(lines 2519 2535) no Hoare annotation was computed. [2022-12-14 10:59:01,923 INFO L899 garLoopResultBuilder]: For program point ldv_zallocFINAL(lines 2519 2535) no Hoare annotation was computed. [2022-12-14 10:59:01,923 INFO L899 garLoopResultBuilder]: For program point L2531-1(line 2531) no Hoare annotation was computed. [2022-12-14 10:59:01,923 INFO L902 garLoopResultBuilder]: At program point L2531(line 2531) the Hoare annotation is: true [2022-12-14 10:59:01,923 INFO L902 garLoopResultBuilder]: At program point LDV_STOP(lines 2559 2565) the Hoare annotation is: true [2022-12-14 10:59:01,923 INFO L899 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 2559 2565) no Hoare annotation was computed. [2022-12-14 10:59:01,923 INFO L899 garLoopResultBuilder]: For program point L2843(lines 2843 2848) no Hoare annotation was computed. [2022-12-14 10:59:01,923 INFO L899 garLoopResultBuilder]: For program point L2926(line 2926) no Hoare annotation was computed. [2022-12-14 10:59:01,924 INFO L895 garLoopResultBuilder]: At program point L2794(lines 2794 2797) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-12-14 10:59:01,924 INFO L895 garLoopResultBuilder]: At program point L2927(lines 2927 2935) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-12-14 10:59:01,924 INFO L895 garLoopResultBuilder]: At program point ax_probe_returnLabel#1(lines 2807 2851) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-12-14 10:59:01,924 INFO L899 garLoopResultBuilder]: For program point L2845-1(line 2845) no Hoare annotation was computed. [2022-12-14 10:59:01,924 INFO L902 garLoopResultBuilder]: At program point L2845(line 2845) the Hoare annotation is: true [2022-12-14 10:59:01,925 INFO L899 garLoopResultBuilder]: For program point L3011(lines 3011 3014) no Hoare annotation was computed. [2022-12-14 10:59:01,925 INFO L899 garLoopResultBuilder]: For program point L2945(line 2945) no Hoare annotation was computed. [2022-12-14 10:59:01,925 INFO L899 garLoopResultBuilder]: For program point L2780-2(lines 2780 2785) no Hoare annotation was computed. [2022-12-14 10:59:01,925 INFO L899 garLoopResultBuilder]: For program point L2632(lines 2632 2635) no Hoare annotation was computed. [2022-12-14 10:59:01,925 INFO L899 garLoopResultBuilder]: For program point L2632-2(lines 2632 2635) no Hoare annotation was computed. [2022-12-14 10:59:01,925 INFO L902 garLoopResultBuilder]: At program point L2946(line 2946) the Hoare annotation is: true [2022-12-14 10:59:01,925 INFO L895 garLoopResultBuilder]: At program point L2913-1(line 2913) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0)) [2022-12-14 10:59:01,926 INFO L895 garLoopResultBuilder]: At program point L2913(line 2913) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0)) [2022-12-14 10:59:01,926 INFO L895 garLoopResultBuilder]: At program point L2831(lines 2831 2835) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-12-14 10:59:01,926 INFO L899 garLoopResultBuilder]: For program point L2633-1(line 2633) no Hoare annotation was computed. [2022-12-14 10:59:01,926 INFO L895 garLoopResultBuilder]: At program point axff_init_returnLabel#1(lines 2731 2806) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-12-14 10:59:01,926 INFO L902 garLoopResultBuilder]: At program point L2633(line 2633) the Hoare annotation is: true [2022-12-14 10:59:01,926 INFO L895 garLoopResultBuilder]: At program point L3013-1(lines 3008 3017) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-12-14 10:59:01,926 INFO L895 garLoopResultBuilder]: At program point L3013(line 3013) the Hoare annotation is: false [2022-12-14 10:59:01,927 INFO L899 garLoopResultBuilder]: For program point L2964(line 2964) no Hoare annotation was computed. [2022-12-14 10:59:01,927 INFO L899 garLoopResultBuilder]: For program point L2799-1(line 2799) no Hoare annotation was computed. [2022-12-14 10:59:01,927 INFO L895 garLoopResultBuilder]: At program point L2799(line 2799) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-12-14 10:59:01,927 INFO L899 garLoopResultBuilder]: For program point L2981(line 2981) no Hoare annotation was computed. [2022-12-14 10:59:01,927 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 10:59:01,927 INFO L895 garLoopResultBuilder]: At program point L2651-1(line 2651) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-12-14 10:59:01,927 INFO L895 garLoopResultBuilder]: At program point L2651(line 2651) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-12-14 10:59:01,928 INFO L895 garLoopResultBuilder]: At program point L2965(lines 2965 2979) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-12-14 10:59:01,928 INFO L902 garLoopResultBuilder]: At program point L2982(line 2982) the Hoare annotation is: true [2022-12-14 10:59:01,928 INFO L895 garLoopResultBuilder]: At program point L2900(line 2900) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-12-14 10:59:01,928 INFO L895 garLoopResultBuilder]: At program point L2900-1(line 2900) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-12-14 10:59:01,928 INFO L899 garLoopResultBuilder]: For program point L2967(lines 2967 2972) no Hoare annotation was computed. [2022-12-14 10:59:01,928 INFO L899 garLoopResultBuilder]: For program point L2967-2(lines 2965 2978) no Hoare annotation was computed. [2022-12-14 10:59:01,928 INFO L895 garLoopResultBuilder]: At program point L2769(lines 2746 2805) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-12-14 10:59:01,928 INFO L899 garLoopResultBuilder]: For program point L2753(lines 2753 2757) no Hoare annotation was computed. [2022-12-14 10:59:01,928 INFO L895 garLoopResultBuilder]: At program point L2770(lines 2770 2773) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-12-14 10:59:01,929 INFO L899 garLoopResultBuilder]: For program point L2952(line 2952) no Hoare annotation was computed. [2022-12-14 10:59:01,929 INFO L895 garLoopResultBuilder]: At program point L2919(lines 2912 2996) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-12-14 10:59:01,929 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 10:59:01,929 INFO L899 garLoopResultBuilder]: For program point L2953(lines 2953 2986) no Hoare annotation was computed. [2022-12-14 10:59:01,929 INFO L895 garLoopResultBuilder]: At program point L2788(lines 2788 2791) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-12-14 10:59:01,929 INFO L902 garLoopResultBuilder]: At program point main_ldv_final#1(lines 2912 2996) the Hoare annotation is: true [2022-12-14 10:59:01,929 INFO L899 garLoopResultBuilder]: For program point L2937(line 2937) no Hoare annotation was computed. [2022-12-14 10:59:01,929 INFO L899 garLoopResultBuilder]: For program point L2921(lines 2921 2990) no Hoare annotation was computed. [2022-12-14 10:59:01,929 INFO L899 garLoopResultBuilder]: For program point L2938(lines 2938 2943) no Hoare annotation was computed. [2022-12-14 10:59:01,929 INFO L899 garLoopResultBuilder]: For program point L2988(line 2988) no Hoare annotation was computed. [2022-12-14 10:59:01,930 INFO L899 garLoopResultBuilder]: For program point L2922(line 2922) no Hoare annotation was computed. [2022-12-14 10:59:01,930 INFO L899 garLoopResultBuilder]: For program point L2955(lines 2955 2983) no Hoare annotation was computed. [2022-12-14 10:59:01,930 INFO L899 garLoopResultBuilder]: For program point L2625-1(line 2625) no Hoare annotation was computed. [2022-12-14 10:59:01,930 INFO L895 garLoopResultBuilder]: At program point L2625(line 2625) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-12-14 10:59:01,930 INFO L899 garLoopResultBuilder]: For program point L2939-1(line 2939) no Hoare annotation was computed. [2022-12-14 10:59:01,930 INFO L902 garLoopResultBuilder]: At program point L2939(line 2939) the Hoare annotation is: true [2022-12-14 10:59:01,930 INFO L899 garLoopResultBuilder]: For program point L2956(line 2956) no Hoare annotation was computed. [2022-12-14 10:59:01,930 INFO L902 garLoopResultBuilder]: At program point L2989(line 2989) the Hoare annotation is: true [2022-12-14 10:59:01,930 INFO L899 garLoopResultBuilder]: For program point L2923(lines 2923 2950) no Hoare annotation was computed. [2022-12-14 10:59:01,930 INFO L895 garLoopResultBuilder]: At program point hid_hw_start_returnLabel#1(lines 2620 2638) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-12-14 10:59:01,930 INFO L895 garLoopResultBuilder]: At program point L2775(lines 2746 2805) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-12-14 10:59:01,931 INFO L895 garLoopResultBuilder]: At program point L2957(lines 2957 2962) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-12-14 10:59:01,931 INFO L899 garLoopResultBuilder]: For program point L2825(lines 2825 2829) no Hoare annotation was computed. [2022-12-14 10:59:01,931 INFO L895 garLoopResultBuilder]: At program point L2627(lines 2627 2630) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-12-14 10:59:01,931 INFO L895 garLoopResultBuilder]: At program point L2776(lines 2776 2779) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-12-14 10:59:01,931 INFO L899 garLoopResultBuilder]: For program point L2925(lines 2925 2947) no Hoare annotation was computed. [2022-12-14 10:59:01,931 INFO L899 garLoopResultBuilder]: For program point ax_removeFINAL(lines 2852 2859) no Hoare annotation was computed. [2022-12-14 10:59:01,931 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2852 2859) the Hoare annotation is: true [2022-12-14 10:59:01,931 INFO L899 garLoopResultBuilder]: For program point L2855-1(line 2855) no Hoare annotation was computed. [2022-12-14 10:59:01,931 INFO L902 garLoopResultBuilder]: At program point L2855(line 2855) the Hoare annotation is: true [2022-12-14 10:59:01,931 INFO L899 garLoopResultBuilder]: For program point ax_removeEXIT(lines 2852 2859) no Hoare annotation was computed. [2022-12-14 10:59:01,932 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-14 10:59:01,932 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~intEXIT(line -1) no Hoare annotation was computed. [2022-12-14 10:59:01,934 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 10:59:01,936 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 10:59:01,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 10:59:01 BoogieIcfgContainer [2022-12-14 10:59:01,946 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 10:59:01,947 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 10:59:01,947 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 10:59:01,947 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 10:59:01,947 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:59:00" (3/4) ... [2022-12-14 10:59:01,950 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 10:59:01,954 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-12-14 10:59:01,954 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hid_hw_request [2022-12-14 10:59:01,954 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2022-12-14 10:59:01,954 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2022-12-14 10:59:01,954 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2022-12-14 10:59:01,955 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hid_hw_stop [2022-12-14 10:59:01,955 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ax_remove [2022-12-14 10:59:01,955 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-14 10:59:01,955 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hid_hw_close [2022-12-14 10:59:01,955 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~int [2022-12-14 10:59:01,963 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 98 nodes and edges [2022-12-14 10:59:01,964 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2022-12-14 10:59:01,965 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 10:59:01,965 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 10:59:01,966 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 10:59:01,966 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 10:59:02,089 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d7688e-e808-4bd3-be44-bdf5596b1b7d/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 10:59:02,089 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 10:59:02,090 INFO L158 Benchmark]: Toolchain (without parser) took 2475.25ms. Allocated memory was 172.0MB in the beginning and 239.1MB in the end (delta: 67.1MB). Free memory was 136.9MB in the beginning and 146.8MB in the end (delta: -10.0MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. [2022-12-14 10:59:02,090 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 10:59:02,090 INFO L158 Benchmark]: CACSL2BoogieTranslator took 597.49ms. Allocated memory is still 172.0MB. Free memory was 136.6MB in the beginning and 126.6MB in the end (delta: 10.1MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2022-12-14 10:59:02,091 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.36ms. Allocated memory is still 172.0MB. Free memory was 125.7MB in the beginning and 121.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 10:59:02,091 INFO L158 Benchmark]: Boogie Preprocessor took 56.87ms. Allocated memory is still 172.0MB. Free memory was 121.5MB in the beginning and 118.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 10:59:02,091 INFO L158 Benchmark]: RCFGBuilder took 639.14ms. Allocated memory is still 172.0MB. Free memory was 118.2MB in the beginning and 113.7MB in the end (delta: 4.5MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2022-12-14 10:59:02,091 INFO L158 Benchmark]: TraceAbstraction took 983.90ms. Allocated memory was 172.0MB in the beginning and 239.1MB in the end (delta: 67.1MB). Free memory was 113.6MB in the beginning and 157.3MB in the end (delta: -43.7MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2022-12-14 10:59:02,092 INFO L158 Benchmark]: Witness Printer took 142.63ms. Allocated memory is still 239.1MB. Free memory was 157.3MB in the beginning and 146.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 10:59:02,093 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 597.49ms. Allocated memory is still 172.0MB. Free memory was 136.6MB in the beginning and 126.6MB in the end (delta: 10.1MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.36ms. Allocated memory is still 172.0MB. Free memory was 125.7MB in the beginning and 121.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.87ms. Allocated memory is still 172.0MB. Free memory was 121.5MB in the beginning and 118.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 639.14ms. Allocated memory is still 172.0MB. Free memory was 118.2MB in the beginning and 113.7MB in the end (delta: 4.5MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. * TraceAbstraction took 983.90ms. Allocated memory was 172.0MB in the beginning and 239.1MB in the end (delta: 67.1MB). Free memory was 113.6MB in the beginning and 157.3MB in the end (delta: -43.7MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * Witness Printer took 142.63ms. Allocated memory is still 239.1MB. Free memory was 157.3MB in the beginning and 146.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * 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 - PositiveResult [Line: 2556]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 97 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 95 mSDsluCounter, 237 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 82 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 71 IncrementalHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 155 mSDtfsCounter, 71 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 85 PreInvPairs, 120 NumberOfFragments, 103 HoareAnnotationTreeSize, 85 FomulaSimplifications, 24 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 47 FomulaSimplificationsInter, 45 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 131 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 6/6 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 2913]: Loop Invariant Derived loop invariant: ldv_spin == 0 && ldv_state_variable_1 == 0 - InvariantResult [Line: 2912]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2620]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2957]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2746]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2807]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2627]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2639]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2731]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2559]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2794]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 3008]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2770]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2912]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2746]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2927]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2900]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2776]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2831]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2788]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2965]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2651]: Loop Invariant Derived loop invariant: ldv_spin == 0 RESULT: Ultimate proved your program to be correct! [2022-12-14 10:59:02,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d7688e-e808-4bd3-be44-bdf5596b1b7d/bin/utaipan-gh47qXpMRh/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: TRUE