./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows 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_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/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_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 88f19b088f98626e870666f9633d9e7e34156d2b7ba315c9b1bc3979a22f8d34 --- 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 14:36:15,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:36:15,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:36:15,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:36:15,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:36:15,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:36:15,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:36:15,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:36:15,293 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:36:15,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:36:15,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:36:15,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:36:15,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:36:15,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:36:15,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:36:15,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:36:15,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:36:15,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:36:15,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:36:15,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:36:15,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:36:15,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:36:15,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:36:15,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:36:15,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:36:15,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:36:15,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:36:15,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:36:15,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:36:15,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:36:15,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:36:15,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:36:15,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:36:15,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:36:15,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:36:15,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:36:15,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:36:15,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:36:15,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:36:15,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:36:15,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:36:15,329 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 14:36:15,349 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:36:15,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:36:15,349 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:36:15,349 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:36:15,350 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:36:15,350 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:36:15,350 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:36:15,351 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:36:15,351 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:36:15,351 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:36:15,351 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:36:15,351 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:36:15,351 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:36:15,352 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:36:15,352 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:36:15,352 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:36:15,352 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:36:15,352 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:36:15,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:36:15,353 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 14:36:15,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:36:15,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:36:15,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:36:15,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:36:15,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:36:15,354 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 14:36:15,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:36:15,354 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:36:15,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:36:15,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:36:15,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:36:15,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:36:15,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:36:15,355 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:36:15,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:36:15,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:36:15,356 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:36:15,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:36:15,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:36:15,356 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:36:15,357 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_40114ff3-5aad-4379-8822-49615f8c5264/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88f19b088f98626e870666f9633d9e7e34156d2b7ba315c9b1bc3979a22f8d34 [2022-12-14 14:36:15,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:36:15,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:36:15,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:36:15,579 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:36:15,580 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:36:15,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-12-14 14:36:18,136 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:36:18,336 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:36:18,336 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-12-14 14:36:18,346 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/data/ed1087e21/d1ac8d12027f4d8c819c03cba3a7513d/FLAGebb576f2b [2022-12-14 14:36:18,697 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/data/ed1087e21/d1ac8d12027f4d8c819c03cba3a7513d [2022-12-14 14:36:18,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:36:18,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:36:18,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:36:18,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:36:18,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:36:18,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:36:18" (1/1) ... [2022-12-14 14:36:18,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@250a7454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:18, skipping insertion in model container [2022-12-14 14:36:18,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:36:18" (1/1) ... [2022-12-14 14:36:18,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:36:18,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:36:18,988 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 14:36:18,990 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 14:36:18,994 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 14:36:18,995 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 14:36:18,997 WARN L623 FunctionHandler]: Unknown extern function s3c_adc_read [2022-12-14 14:36:18,997 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:36:19,014 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:36:19,018 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-14 14:36:19,018 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:36:19,020 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-14 14:36:19,021 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-14 14:36:19,024 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:36:19,025 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:36:19,026 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 14:36:19,027 WARN L623 FunctionHandler]: Unknown extern function s3c_adc_register [2022-12-14 14:36:19,028 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:36:19,030 WARN L623 FunctionHandler]: Unknown extern function hwmon_device_register [2022-12-14 14:36:19,031 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:36:19,032 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 14:36:19,033 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:36:19,034 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:36:19,037 WARN L623 FunctionHandler]: Unknown extern function hwmon_device_unregister [2022-12-14 14:36:19,038 WARN L623 FunctionHandler]: Unknown extern function s3c_adc_release [2022-12-14 14:36:19,038 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:36:19,040 WARN L623 FunctionHandler]: Unknown extern function hwmon_device_unregister [2022-12-14 14:36:19,041 WARN L623 FunctionHandler]: Unknown extern function s3c_adc_release [2022-12-14 14:36:19,043 WARN L623 FunctionHandler]: Unknown extern function platform_driver_register [2022-12-14 14:36:19,044 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-12-14 14:36:19,054 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-14 14:36:19,057 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_40114ff3-5aad-4379-8822-49615f8c5264/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i[37767,37780] [2022-12-14 14:36:19,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:36:19,077 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:36:19,108 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 14:36:19,109 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 14:36:19,110 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 14:36:19,110 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 14:36:19,111 WARN L623 FunctionHandler]: Unknown extern function s3c_adc_read [2022-12-14 14:36:19,111 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:36:19,119 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:36:19,121 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-14 14:36:19,122 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:36:19,122 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-14 14:36:19,123 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-14 14:36:19,124 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:36:19,125 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:36:19,125 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 14:36:19,126 WARN L623 FunctionHandler]: Unknown extern function s3c_adc_register [2022-12-14 14:36:19,127 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:36:19,127 WARN L623 FunctionHandler]: Unknown extern function hwmon_device_register [2022-12-14 14:36:19,128 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:36:19,129 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 14:36:19,130 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:36:19,130 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:36:19,132 WARN L623 FunctionHandler]: Unknown extern function hwmon_device_unregister [2022-12-14 14:36:19,132 WARN L623 FunctionHandler]: Unknown extern function s3c_adc_release [2022-12-14 14:36:19,132 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:36:19,134 WARN L623 FunctionHandler]: Unknown extern function hwmon_device_unregister [2022-12-14 14:36:19,134 WARN L623 FunctionHandler]: Unknown extern function s3c_adc_release [2022-12-14 14:36:19,135 WARN L623 FunctionHandler]: Unknown extern function platform_driver_register [2022-12-14 14:36:19,136 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-12-14 14:36:19,140 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-14 14:36:19,142 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_40114ff3-5aad-4379-8822-49615f8c5264/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i[37767,37780] [2022-12-14 14:36:19,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:36:19,164 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:36:19,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:19 WrapperNode [2022-12-14 14:36:19,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:36:19,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:36:19,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:36:19,165 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:36:19,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:19" (1/1) ... [2022-12-14 14:36:19,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:19" (1/1) ... [2022-12-14 14:36:19,209 INFO L138 Inliner]: procedures = 83, calls = 168, calls flagged for inlining = 31, calls inlined = 25, statements flattened = 527 [2022-12-14 14:36:19,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:36:19,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:36:19,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:36:19,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:36:19,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:19" (1/1) ... [2022-12-14 14:36:19,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:19" (1/1) ... [2022-12-14 14:36:19,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:19" (1/1) ... [2022-12-14 14:36:19,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:19" (1/1) ... [2022-12-14 14:36:19,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:19" (1/1) ... [2022-12-14 14:36:19,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:19" (1/1) ... [2022-12-14 14:36:19,239 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:19" (1/1) ... [2022-12-14 14:36:19,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:19" (1/1) ... [2022-12-14 14:36:19,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:36:19,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:36:19,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:36:19,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:36:19,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:19" (1/1) ... [2022-12-14 14:36:19,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:36:19,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:36:19,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:36:19,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:36:19,301 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_raw [2022-12-14 14:36:19,302 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_raw [2022-12-14 14:36:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_probe [2022-12-14 14:36:19,302 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_probe [2022-12-14 14:36:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:36:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 14:36:19,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 14:36:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 14:36:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 14:36:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 14:36:19,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 14:36:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 14:36:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 14:36:19,303 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 14:36:19,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 14:36:19,303 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-14 14:36:19,303 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-14 14:36:19,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 14:36:19,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 14:36:19,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 14:36:19,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 14:36:19,303 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_attr [2022-12-14 14:36:19,303 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_attr [2022-12-14 14:36:19,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 14:36:19,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 14:36:19,303 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-12-14 14:36:19,303 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-12-14 14:36:19,304 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2022-12-14 14:36:19,304 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2022-12-14 14:36:19,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 14:36:19,304 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_release [2022-12-14 14:36:19,304 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_release [2022-12-14 14:36:19,304 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 14:36:19,304 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 14:36:19,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:36:19,304 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove [2022-12-14 14:36:19,304 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove [2022-12-14 14:36:19,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 14:36:19,304 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-12-14 14:36:19,305 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-12-14 14:36:19,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:36:19,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:36:19,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file [2022-12-14 14:36:19,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file [2022-12-14 14:36:19,305 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 14:36:19,305 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 14:36:19,452 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:36:19,453 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:36:19,725 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 14:36:19,892 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:36:19,962 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:36:19,963 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 14:36:19,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:36:19 BoogieIcfgContainer [2022-12-14 14:36:19,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:36:19,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:36:19,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:36:19,969 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:36:19,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:36:18" (1/3) ... [2022-12-14 14:36:19,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f53cca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:36:19, skipping insertion in model container [2022-12-14 14:36:19,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:36:19" (2/3) ... [2022-12-14 14:36:19,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f53cca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:36:19, skipping insertion in model container [2022-12-14 14:36:19,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:36:19" (3/3) ... [2022-12-14 14:36:19,972 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-12-14 14:36:19,985 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:36:19,986 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-12-14 14:36:20,024 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:36:20,028 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;@49d89dac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:36:20,029 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-12-14 14:36:20,032 INFO L276 IsEmpty]: Start isEmpty. Operand has 192 states, 119 states have (on average 1.4789915966386555) internal successors, (176), 140 states have internal predecessors, (176), 40 states have call successors, (40), 17 states have call predecessors, (40), 16 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-12-14 14:36:20,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 14:36:20,046 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:36:20,047 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:36:20,047 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 14:36:20,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:36:20,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1216458967, now seen corresponding path program 1 times [2022-12-14 14:36:20,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:36:20,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315355005] [2022-12-14 14:36:20,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:36:20,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:36:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:36:20,233 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 14:36:20,234 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:36:20,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315355005] [2022-12-14 14:36:20,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315355005] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:36:20,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:36:20,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:36:20,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460704245] [2022-12-14 14:36:20,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:36:20,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:36:20,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:36:20,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:36:20,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:36:20,263 INFO L87 Difference]: Start difference. First operand has 192 states, 119 states have (on average 1.4789915966386555) internal successors, (176), 140 states have internal predecessors, (176), 40 states have call successors, (40), 17 states have call predecessors, (40), 16 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 14:36:20,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:36:20,392 INFO L93 Difference]: Finished difference Result 403 states and 534 transitions. [2022-12-14 14:36:20,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:36:20,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-12-14 14:36:20,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:36:20,400 INFO L225 Difference]: With dead ends: 403 [2022-12-14 14:36:20,401 INFO L226 Difference]: Without dead ends: 200 [2022-12-14 14:36:20,403 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 14:36:20,405 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 27 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:36:20,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 431 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:36:20,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2022-12-14 14:36:20,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2022-12-14 14:36:20,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 132 states have (on average 1.4393939393939394) internal successors, (190), 148 states have internal predecessors, (190), 36 states have call successors, (36), 16 states have call predecessors, (36), 16 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-12-14 14:36:20,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 262 transitions. [2022-12-14 14:36:20,443 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 262 transitions. Word has length 14 [2022-12-14 14:36:20,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:36:20,443 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 262 transitions. [2022-12-14 14:36:20,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 14:36:20,444 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 262 transitions. [2022-12-14 14:36:20,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 14:36:20,445 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:36:20,445 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 14:36:20,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 14:36:20,446 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 14:36:20,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:36:20,446 INFO L85 PathProgramCache]: Analyzing trace with hash -95729712, now seen corresponding path program 1 times [2022-12-14 14:36:20,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:36:20,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107452302] [2022-12-14 14:36:20,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:36:20,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:36:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:36:20,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 14:36:20,613 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:36:20,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107452302] [2022-12-14 14:36:20,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107452302] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:36:20,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:36:20,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:36:20,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333392927] [2022-12-14 14:36:20,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:36:20,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:36:20,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:36:20,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:36:20,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:36:20,617 INFO L87 Difference]: Start difference. First operand 200 states and 262 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 14:36:20,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:36:20,742 INFO L93 Difference]: Finished difference Result 399 states and 523 transitions. [2022-12-14 14:36:20,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:36:20,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2022-12-14 14:36:20,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:36:20,746 INFO L225 Difference]: With dead ends: 399 [2022-12-14 14:36:20,746 INFO L226 Difference]: Without dead ends: 393 [2022-12-14 14:36:20,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:36:20,748 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 210 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:36:20,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 471 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:36:20,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2022-12-14 14:36:20,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 383. [2022-12-14 14:36:20,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 263 states have (on average 1.4182509505703422) internal successors, (373), 280 states have internal predecessors, (373), 72 states have call successors, (72), 32 states have call predecessors, (72), 32 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2022-12-14 14:36:20,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 517 transitions. [2022-12-14 14:36:20,789 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 517 transitions. Word has length 33 [2022-12-14 14:36:20,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:36:20,789 INFO L495 AbstractCegarLoop]: Abstraction has 383 states and 517 transitions. [2022-12-14 14:36:20,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 14:36:20,790 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 517 transitions. [2022-12-14 14:36:20,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 14:36:20,792 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:36:20,793 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 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] [2022-12-14 14:36:20,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 14:36:20,793 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 14:36:20,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:36:20,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1492265416, now seen corresponding path program 1 times [2022-12-14 14:36:20,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:36:20,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32363793] [2022-12-14 14:36:20,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:36:20,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:36:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:36:20,928 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 14:36:20,929 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:36:20,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32363793] [2022-12-14 14:36:20,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32363793] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:36:20,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:36:20,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:36:20,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456307507] [2022-12-14 14:36:20,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:36:20,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:36:20,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:36:20,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:36:20,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:36:20,932 INFO L87 Difference]: Start difference. First operand 383 states and 517 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 14:36:21,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:36:21,029 INFO L93 Difference]: Finished difference Result 907 states and 1209 transitions. [2022-12-14 14:36:21,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:36:21,030 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 47 [2022-12-14 14:36:21,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:36:21,033 INFO L225 Difference]: With dead ends: 907 [2022-12-14 14:36:21,033 INFO L226 Difference]: Without dead ends: 525 [2022-12-14 14:36:21,036 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 [2022-12-14 14:36:21,037 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 85 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:36:21,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 457 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:36:21,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2022-12-14 14:36:21,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 523. [2022-12-14 14:36:21,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 357 states have (on average 1.3865546218487395) internal successors, (495), 374 states have internal predecessors, (495), 96 states have call successors, (96), 54 states have call predecessors, (96), 54 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2022-12-14 14:36:21,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 687 transitions. [2022-12-14 14:36:21,071 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 687 transitions. Word has length 47 [2022-12-14 14:36:21,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:36:21,072 INFO L495 AbstractCegarLoop]: Abstraction has 523 states and 687 transitions. [2022-12-14 14:36:21,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 14:36:21,072 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 687 transitions. [2022-12-14 14:36:21,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 14:36:21,074 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:36:21,074 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 14:36:21,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 14:36:21,074 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting s3c_hwmon_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 14:36:21,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:36:21,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1110422287, now seen corresponding path program 1 times [2022-12-14 14:36:21,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:36:21,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110467588] [2022-12-14 14:36:21,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:36:21,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:36:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:36:21,151 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 14:36:21,151 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:36:21,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110467588] [2022-12-14 14:36:21,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110467588] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:36:21,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769384238] [2022-12-14 14:36:21,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:36:21,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:36:21,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:36:21,153 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:36:21,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 14:36:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:36:21,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 14:36:21,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:36:21,330 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 14:36:21,330 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:36:21,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769384238] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:36:21,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 14:36:21,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-14 14:36:21,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091780745] [2022-12-14 14:36:21,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:36:21,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:36:21,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:36:21,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:36:21,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:36:21,333 INFO L87 Difference]: Start difference. First operand 523 states and 687 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 14:36:21,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:36:21,442 INFO L93 Difference]: Finished difference Result 1112 states and 1467 transitions. [2022-12-14 14:36:21,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:36:21,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 54 [2022-12-14 14:36:21,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:36:21,447 INFO L225 Difference]: With dead ends: 1112 [2022-12-14 14:36:21,447 INFO L226 Difference]: Without dead ends: 590 [2022-12-14 14:36:21,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:36:21,450 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 170 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:36:21,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 447 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:36:21,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2022-12-14 14:36:21,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 578. [2022-12-14 14:36:21,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 403 states have (on average 1.401985111662531) internal successors, (565), 421 states have internal predecessors, (565), 104 states have call successors, (104), 55 states have call predecessors, (104), 55 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2022-12-14 14:36:21,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 773 transitions. [2022-12-14 14:36:21,480 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 773 transitions. Word has length 54 [2022-12-14 14:36:21,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:36:21,480 INFO L495 AbstractCegarLoop]: Abstraction has 578 states and 773 transitions. [2022-12-14 14:36:21,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 14:36:21,481 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 773 transitions. [2022-12-14 14:36:21,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-14 14:36:21,482 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:36:21,482 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 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] [2022-12-14 14:36:21,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 14:36:21,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:36:21,683 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting s3c_hwmon_probeErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 14:36:21,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:36:21,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1401013189, now seen corresponding path program 1 times [2022-12-14 14:36:21,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:36:21,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374971210] [2022-12-14 14:36:21,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:36:21,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:36:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:36:21,793 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 14:36:21,794 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:36:21,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374971210] [2022-12-14 14:36:21,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374971210] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:36:21,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:36:21,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:36:21,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502911043] [2022-12-14 14:36:21,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:36:21,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:36:21,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:36:21,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:36:21,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:36:21,795 INFO L87 Difference]: Start difference. First operand 578 states and 773 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 14:36:21,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:36:21,912 INFO L93 Difference]: Finished difference Result 1218 states and 1659 transitions. [2022-12-14 14:36:21,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:36:21,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 65 [2022-12-14 14:36:21,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:36:21,915 INFO L225 Difference]: With dead ends: 1218 [2022-12-14 14:36:21,916 INFO L226 Difference]: Without dead ends: 641 [2022-12-14 14:36:21,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:36:21,917 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 22 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:36:21,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 404 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:36:21,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2022-12-14 14:36:21,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 641. [2022-12-14 14:36:21,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 457 states have (on average 1.4070021881838075) internal successors, (643), 475 states have internal predecessors, (643), 113 states have call successors, (113), 55 states have call predecessors, (113), 55 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2022-12-14 14:36:21,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 869 transitions. [2022-12-14 14:36:21,938 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 869 transitions. Word has length 65 [2022-12-14 14:36:21,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:36:21,939 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 869 transitions. [2022-12-14 14:36:21,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 14:36:21,939 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 869 transitions. [2022-12-14 14:36:21,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-14 14:36:21,940 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:36:21,940 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 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] [2022-12-14 14:36:21,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 14:36:21,940 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting s3c_hwmon_probeErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 14:36:21,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:36:21,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1902449512, now seen corresponding path program 1 times [2022-12-14 14:36:21,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:36:21,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103848487] [2022-12-14 14:36:21,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:36:21,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:36:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:36:22,028 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 14:36:22,028 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:36:22,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103848487] [2022-12-14 14:36:22,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103848487] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:36:22,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730637212] [2022-12-14 14:36:22,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:36:22,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:36:22,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:36:22,029 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:36:22,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 14:36:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:36:22,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 14:36:22,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:36:22,233 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 14:36:22,233 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:36:22,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730637212] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:36:22,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 14:36:22,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-12-14 14:36:22,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61124922] [2022-12-14 14:36:22,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:36:22,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:36:22,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:36:22,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:36:22,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:36:22,236 INFO L87 Difference]: Start difference. First operand 641 states and 869 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 14:36:22,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:36:22,363 INFO L93 Difference]: Finished difference Result 1287 states and 1752 transitions. [2022-12-14 14:36:22,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:36:22,364 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 69 [2022-12-14 14:36:22,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:36:22,368 INFO L225 Difference]: With dead ends: 1287 [2022-12-14 14:36:22,369 INFO L226 Difference]: Without dead ends: 647 [2022-12-14 14:36:22,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:36:22,371 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 48 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:36:22,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 594 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:36:22,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2022-12-14 14:36:22,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 641. [2022-12-14 14:36:22,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 460 states have (on average 1.3847826086956523) internal successors, (637), 475 states have internal predecessors, (637), 113 states have call successors, (113), 55 states have call predecessors, (113), 55 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2022-12-14 14:36:22,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 863 transitions. [2022-12-14 14:36:22,410 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 863 transitions. Word has length 69 [2022-12-14 14:36:22,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:36:22,411 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 863 transitions. [2022-12-14 14:36:22,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 14:36:22,411 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 863 transitions. [2022-12-14 14:36:22,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-14 14:36:22,413 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:36:22,413 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 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] [2022-12-14 14:36:22,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 14:36:22,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:36:22,614 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting s3c_hwmon_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 14:36:22,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:36:22,614 INFO L85 PathProgramCache]: Analyzing trace with hash 2065717175, now seen corresponding path program 1 times [2022-12-14 14:36:22,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:36:22,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608026177] [2022-12-14 14:36:22,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:36:22,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:36:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:36:22,695 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 14:36:22,695 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:36:22,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608026177] [2022-12-14 14:36:22,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608026177] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:36:22,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:36:22,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:36:22,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226324737] [2022-12-14 14:36:22,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:36:22,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:36:22,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:36:22,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:36:22,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:36:22,697 INFO L87 Difference]: Start difference. First operand 641 states and 863 transitions. Second operand has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 14:36:22,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:36:22,776 INFO L93 Difference]: Finished difference Result 1112 states and 1499 transitions. [2022-12-14 14:36:22,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:36:22,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 69 [2022-12-14 14:36:22,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:36:22,778 INFO L225 Difference]: With dead ends: 1112 [2022-12-14 14:36:22,778 INFO L226 Difference]: Without dead ends: 649 [2022-12-14 14:36:22,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:36:22,780 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 1 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:36:22,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 407 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:36:22,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2022-12-14 14:36:22,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 649. [2022-12-14 14:36:22,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 466 states have (on average 1.3798283261802575) internal successors, (643), 481 states have internal predecessors, (643), 115 states have call successors, (115), 55 states have call predecessors, (115), 55 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2022-12-14 14:36:22,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 873 transitions. [2022-12-14 14:36:22,800 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 873 transitions. Word has length 69 [2022-12-14 14:36:22,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:36:22,800 INFO L495 AbstractCegarLoop]: Abstraction has 649 states and 873 transitions. [2022-12-14 14:36:22,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 14:36:22,801 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 873 transitions. [2022-12-14 14:36:22,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-12-14 14:36:22,801 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:36:22,801 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 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] [2022-12-14 14:36:22,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 14:36:22,802 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting s3c_hwmon_probeErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 14:36:22,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:36:22,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1153607454, now seen corresponding path program 1 times [2022-12-14 14:36:22,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:36:22,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899686295] [2022-12-14 14:36:22,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:36:22,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:36:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:36:22,896 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 14:36:22,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:36:22,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899686295] [2022-12-14 14:36:22,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899686295] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:36:22,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385472462] [2022-12-14 14:36:22,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:36:22,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:36:22,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:36:22,898 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:36:22,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 14:36:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:36:23,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 14:36:23,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:36:23,064 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 14:36:23,065 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:36:23,110 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 14:36:23,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385472462] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:36:23,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [747698076] [2022-12-14 14:36:23,130 INFO L159 IcfgInterpreter]: Started Sifa with 51 locations of interest [2022-12-14 14:36:23,130 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:36:23,134 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:36:23,139 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:36:23,139 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:36:25,093 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 187 for LOIs [2022-12-14 14:36:25,104 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 279 for LOIs [2022-12-14 14:36:25,178 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:36:35,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [747698076] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:36:35,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 14:36:35,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [3, 3, 3] total 24 [2022-12-14 14:36:35,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937668755] [2022-12-14 14:36:35,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:36:35,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-12-14 14:36:35,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:36:35,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-12-14 14:36:35,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=472, Unknown=0, NotChecked=0, Total=552 [2022-12-14 14:36:35,356 INFO L87 Difference]: Start difference. First operand 649 states and 873 transitions. Second operand has 19 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 15 states have internal predecessors, (40), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-14 14:36:39,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:36:39,908 INFO L93 Difference]: Finished difference Result 1323 states and 1781 transitions. [2022-12-14 14:36:39,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-14 14:36:39,908 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 15 states have internal predecessors, (40), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) Word has length 70 [2022-12-14 14:36:39,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:36:39,910 INFO L225 Difference]: With dead ends: 1323 [2022-12-14 14:36:39,911 INFO L226 Difference]: Without dead ends: 670 [2022-12-14 14:36:39,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 188 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2022-12-14 14:36:39,912 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 18 mSDsluCounter, 1069 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 1263 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-14 14:36:39,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 1263 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 962 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-14 14:36:39,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2022-12-14 14:36:39,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 667. [2022-12-14 14:36:39,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 483 states have (on average 1.3747412008281574) internal successors, (664), 498 states have internal predecessors, (664), 116 states have call successors, (116), 56 states have call predecessors, (116), 55 states have return successors, (116), 115 states have call predecessors, (116), 116 states have call successors, (116) [2022-12-14 14:36:39,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 896 transitions. [2022-12-14 14:36:39,936 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 896 transitions. Word has length 70 [2022-12-14 14:36:39,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:36:39,936 INFO L495 AbstractCegarLoop]: Abstraction has 667 states and 896 transitions. [2022-12-14 14:36:39,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 15 states have internal predecessors, (40), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-14 14:36:39,936 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 896 transitions. [2022-12-14 14:36:39,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-14 14:36:39,937 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:36:39,938 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2022-12-14 14:36:39,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 14:36:40,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:36:40,138 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting s3c_hwmon_probeErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 14:36:40,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:36:40,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1500690540, now seen corresponding path program 1 times [2022-12-14 14:36:40,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:36:40,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953261769] [2022-12-14 14:36:40,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:36:40,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:36:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:36:40,220 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-14 14:36:40,220 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:36:40,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953261769] [2022-12-14 14:36:40,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953261769] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:36:40,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386406540] [2022-12-14 14:36:40,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:36:40,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:36:40,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:36:40,222 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:36:40,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40114ff3-5aad-4379-8822-49615f8c5264/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 14:36:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:36:40,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 14:36:40,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:36:40,390 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-14 14:36:40,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:36:40,441 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-14 14:36:40,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386406540] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:36:40,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [691120224] [2022-12-14 14:36:40,444 INFO L159 IcfgInterpreter]: Started Sifa with 56 locations of interest [2022-12-14 14:36:40,445 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:36:40,445 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:36:40,445 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:36:40,445 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:36:40,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 14:36:40,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 14:36:42,757 INFO L197 IcfgInterpreter]: Interpreting procedure s3c_hwmon_probe with input of size 60 for LOIs [2022-12-14 14:36:42,806 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 313 for LOIs [2022-12-14 14:36:43,347 INFO L321 Elim1Store]: treesize reduction 160, result has 63.0 percent of original size [2022-12-14 14:36:43,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 137 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 662 treesize of output 902 [2022-12-14 14:36:43,541 INFO L321 Elim1Store]: treesize reduction 160, result has 47.5 percent of original size [2022-12-14 14:36:43,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 121 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 16 case distinctions, treesize of input 625 treesize of output 736 [2022-12-14 14:42:38,651 INFO L321 Elim1Store]: treesize reduction 160, result has 63.0 percent of original size [2022-12-14 14:42:38,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 137 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 662 treesize of output 902 [2022-12-14 14:42:38,845 INFO L321 Elim1Store]: treesize reduction 160, result has 47.5 percent of original size [2022-12-14 14:42:38,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 121 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 16 case distinctions, treesize of input 625 treesize of output 736 [2022-12-14 14:48:44,074 INFO L321 Elim1Store]: treesize reduction 192, result has 43.0 percent of original size [2022-12-14 14:48:44,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 17 new quantified variables, introduced 16 case distinctions, treesize of input 766 treesize of output 876 [2022-12-14 14:48:44,491 INFO L321 Elim1Store]: treesize reduction 182, result has 60.4 percent of original size [2022-12-14 14:48:44,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 136 disjoint index pairs (out of 153 index pairs), introduced 19 new quantified variables, introduced 34 case distinctions, treesize of input 736 treesize of output 975