./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d176a2cb-f57f-4024-bd26-6bf8623cae9b/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d176a2cb-f57f-4024-bd26-6bf8623cae9b/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d176a2cb-f57f-4024-bd26-6bf8623cae9b/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d176a2cb-f57f-4024-bd26-6bf8623cae9b/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d176a2cb-f57f-4024-bd26-6bf8623cae9b/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d176a2cb-f57f-4024-bd26-6bf8623cae9b/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:19:46,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:19:46,920 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:19:46,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:19:46,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:19:46,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:19:46,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:19:46,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:19:46,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:19:46,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:19:46,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:19:46,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:19:46,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:19:46,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:19:46,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:19:46,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:19:46,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:19:46,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:19:46,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:19:46,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:19:47,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:19:47,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:19:47,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:19:47,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:19:47,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:19:47,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:19:47,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:19:47,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:19:47,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:19:47,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:19:47,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:19:47,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:19:47,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:19:47,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:19:47,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:19:47,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:19:47,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:19:47,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:19:47,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:19:47,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:19:47,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:19:47,036 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d176a2cb-f57f-4024-bd26-6bf8623cae9b/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 03:19:47,093 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:19:47,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:19:47,094 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:19:47,094 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:19:47,095 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:19:47,095 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:19:47,095 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:19:47,096 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:19:47,096 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:19:47,096 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:19:47,096 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:19:47,096 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:19:47,096 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:19:47,096 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:19:47,096 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:19:47,097 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:19:47,097 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:19:47,097 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:19:47,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:19:47,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:19:47,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:19:47,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:19:47,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:19:47,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:19:47,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:19:47,100 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:19:47,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:19:47,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:19:47,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:19:47,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:19:47,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:19:47,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:19:47,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:19:47,102 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:19:47,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:19:47,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:19:47,103 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:19:47,103 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:19:47,104 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_d176a2cb-f57f-4024-bd26-6bf8623cae9b/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d176a2cb-f57f-4024-bd26-6bf8623cae9b/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 [2021-11-23 03:19:47,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:19:47,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:19:47,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:19:47,491 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:19:47,492 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:19:47,493 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d176a2cb-f57f-4024-bd26-6bf8623cae9b/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2021-11-23 03:19:47,564 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d176a2cb-f57f-4024-bd26-6bf8623cae9b/bin/utaipan-EQgc7hIp5V/data/068aab239/195d5f1459ca4bcea0ffae88ce486358/FLAG6a274a96d [2021-11-23 03:19:48,617 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:19:48,618 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d176a2cb-f57f-4024-bd26-6bf8623cae9b/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2021-11-23 03:19:48,694 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d176a2cb-f57f-4024-bd26-6bf8623cae9b/bin/utaipan-EQgc7hIp5V/data/068aab239/195d5f1459ca4bcea0ffae88ce486358/FLAG6a274a96d [2021-11-23 03:19:48,938 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d176a2cb-f57f-4024-bd26-6bf8623cae9b/bin/utaipan-EQgc7hIp5V/data/068aab239/195d5f1459ca4bcea0ffae88ce486358 [2021-11-23 03:19:48,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:19:48,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:19:48,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:19:48,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:19:48,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:19:48,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:19:48" (1/1) ... [2021-11-23 03:19:48,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb8526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:48, skipping insertion in model container [2021-11-23 03:19:48,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:19:48" (1/1) ... [2021-11-23 03:19:48,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:19:49,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:19:49,814 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___0 * , struct si_sm_io * ) [3397] [2021-11-23 03:19:49,815 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3398] [2021-11-23 03:19:49,815 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3399] [2021-11-23 03:19:49,816 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2021-11-23 03:19:49,816 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2021-11-23 03:19:49,816 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2021-11-23 03:19:49,818 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___1 * , struct si_sm_io * ) [3433] [2021-11-23 03:19:49,818 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3434] [2021-11-23 03:19:49,819 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3435] [2021-11-23 03:19:49,819 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2021-11-23 03:19:49,819 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2021-11-23 03:19:49,820 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2021-11-23 03:19:50,202 WARN L230 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_d176a2cb-f57f-4024-bd26-6bf8623cae9b/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i[105316,105329] [2021-11-23 03:19:51,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:19:51,951 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:19:52,035 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___0 * , struct si_sm_io * ) [3397] [2021-11-23 03:19:52,036 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3398] [2021-11-23 03:19:52,036 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3399] [2021-11-23 03:19:52,036 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2021-11-23 03:19:52,037 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2021-11-23 03:19:52,037 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2021-11-23 03:19:52,038 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___1 * , struct si_sm_io * ) [3433] [2021-11-23 03:19:52,038 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3434] [2021-11-23 03:19:52,039 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3435] [2021-11-23 03:19:52,040 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2021-11-23 03:19:52,041 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2021-11-23 03:19:52,041 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2021-11-23 03:19:52,053 WARN L230 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_d176a2cb-f57f-4024-bd26-6bf8623cae9b/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i[105316,105329] [2021-11-23 03:19:52,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:19:52,762 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:19:52,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:52 WrapperNode [2021-11-23 03:19:52,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:19:52,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:19:52,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:19:52,765 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:19:52,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:52" (1/1) ... [2021-11-23 03:19:52,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:52" (1/1) ... [2021-11-23 03:19:53,187 INFO L137 Inliner]: procedures = 348, calls = 3212, calls flagged for inlining = 148, calls inlined = 148, statements flattened = 6697 [2021-11-23 03:19:53,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:19:53,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:19:53,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:19:53,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:19:53,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:52" (1/1) ... [2021-11-23 03:19:53,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:52" (1/1) ... [2021-11-23 03:19:53,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:52" (1/1) ... [2021-11-23 03:19:53,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:52" (1/1) ... [2021-11-23 03:19:53,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:52" (1/1) ... [2021-11-23 03:19:53,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:52" (1/1) ... [2021-11-23 03:19:53,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:52" (1/1) ... [2021-11-23 03:19:53,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:19:53,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:19:53,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:19:53,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:19:53,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:52" (1/1) ... [2021-11-23 03:19:53,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:19:53,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d176a2cb-f57f-4024-bd26-6bf8623cae9b/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:19:53,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d176a2cb-f57f-4024-bd26-6bf8623cae9b/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:19:53,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d176a2cb-f57f-4024-bd26-6bf8623cae9b/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:19:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure smic_size [2021-11-23 03:19:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_size [2021-11-23 03:19:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-23 03:19:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-23 03:19:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2021-11-23 03:19:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2021-11-23 03:19:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure bt_event [2021-11-23 03:19:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_event [2021-11-23 03:19:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2021-11-23 03:19:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2021-11-23 03:19:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 03:19:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2021-11-23 03:19:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2021-11-23 03:19:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 03:19:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-11-23 03:19:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-11-23 03:19:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure enable_si_irq [2021-11-23 03:19:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_si_irq [2021-11-23 03:19:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 03:19:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 03:19:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_msg_done [2021-11-23 03:19:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_msg_done [2021-11-23 03:19:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure start_enable_irq [2021-11-23 03:19:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure start_enable_irq [2021-11-23 03:19:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-23 03:19:53,851 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-23 03:19:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_30 [2021-11-23 03:19:53,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_30 [2021-11-23 03:19:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 03:19:53,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 03:19:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure reset_flags [2021-11-23 03:19:53,853 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_flags [2021-11-23 03:19:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure smic_cleanup [2021-11-23 03:19:53,853 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_cleanup [2021-11-23 03:19:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure clear_obf [2021-11-23 03:19:53,854 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_obf [2021-11-23 03:19:53,855 INFO L130 BoogieDeclarations]: Found specification of procedure smi_event_handler [2021-11-23 03:19:53,855 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_event_handler [2021-11-23 03:19:53,855 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte___0 [2021-11-23 03:19:53,855 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte___0 [2021-11-23 03:19:53,855 INFO L130 BoogieDeclarations]: Found specification of procedure read_status [2021-11-23 03:19:53,856 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status [2021-11-23 03:19:53,856 INFO L130 BoogieDeclarations]: Found specification of procedure bt_size [2021-11-23 03:19:53,856 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_size [2021-11-23 03:19:53,856 INFO L130 BoogieDeclarations]: Found specification of procedure bt_init_data [2021-11-23 03:19:53,856 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_init_data [2021-11-23 03:19:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_resume [2021-11-23 03:19:53,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_resume [2021-11-23 03:19:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure smic_detect [2021-11-23 03:19:53,857 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_detect [2021-11-23 03:19:53,858 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 03:19:53,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 03:19:53,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 03:19:53,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 03:19:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure request_events [2021-11-23 03:19:53,860 INFO L138 BoogieDeclarations]: Found implementation of procedure request_events [2021-11-23 03:19:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2021-11-23 03:19:53,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2021-11-23 03:19:53,861 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 03:19:53,862 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 03:19:53,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:19:53,862 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:19:53,862 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-11-23 03:19:53,862 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-11-23 03:19:53,863 INFO L130 BoogieDeclarations]: Found specification of procedure check_hotmod_int_op [2021-11-23 03:19:53,864 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hotmod_int_op [2021-11-23 03:19:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure parse_str [2021-11-23 03:19:53,864 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_str [2021-11-23 03:19:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 03:19:53,866 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 03:19:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_detect [2021-11-23 03:19:53,866 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_detect [2021-11-23 03:19:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_size [2021-11-23 03:19:53,867 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_size [2021-11-23 03:19:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure drain_BMC2HOST [2021-11-23 03:19:53,867 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_BMC2HOST [2021-11-23 03:19:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure error_recovery [2021-11-23 03:19:53,868 INFO L138 BoogieDeclarations]: Found implementation of procedure error_recovery [2021-11-23 03:19:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_status [2021-11-23 03:19:53,868 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_status [2021-11-23 03:19:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure disable_si_irq [2021-11-23 03:19:53,869 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_si_irq [2021-11-23 03:19:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery [2021-11-23 03:19:53,869 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery [2021-11-23 03:19:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_event [2021-11-23 03:19:53,870 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_event [2021-11-23 03:19:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte [2021-11-23 03:19:53,873 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte [2021-11-23 03:19:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure start_smic_transaction [2021-11-23 03:19:53,877 INFO L138 BoogieDeclarations]: Found implementation of procedure start_smic_transaction [2021-11-23 03:19:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2021-11-23 03:19:53,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2021-11-23 03:19:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:19:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 03:19:53,879 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 03:19:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure state2txt [2021-11-23 03:19:53,879 INFO L138 BoogieDeclarations]: Found implementation of procedure state2txt [2021-11-23 03:19:53,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:19:53,886 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_unregister_smi [2021-11-23 03:19:53,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_unregister_smi [2021-11-23 03:19:53,887 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 03:19:53,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 03:19:53,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_38 [2021-11-23 03:19:53,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_38 [2021-11-23 03:19:53,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 03:19:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 03:19:53,888 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2021-11-23 03:19:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2021-11-23 03:19:53,888 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 03:19:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 03:19:53,889 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2021-11-23 03:19:53,889 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2021-11-23 03:19:53,889 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-23 03:19:53,889 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-23 03:19:53,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:19:53,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 03:19:53,890 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2021-11-23 03:19:53,890 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2021-11-23 03:19:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure start_next_msg [2021-11-23 03:19:53,891 INFO L138 BoogieDeclarations]: Found implementation of procedure start_next_msg [2021-11-23 03:19:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure init_smic_data [2021-11-23 03:19:53,891 INFO L138 BoogieDeclarations]: Found implementation of procedure init_smic_data [2021-11-23 03:19:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-23 03:19:53,892 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 03:19:53,892 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 03:19:53,892 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_cleanup [2021-11-23 03:19:53,892 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_cleanup [2021-11-23 03:19:53,892 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 03:19:53,893 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 03:19:53,893 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery___0 [2021-11-23 03:19:53,893 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery___0 [2021-11-23 03:19:53,893 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2021-11-23 03:19:53,893 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2021-11-23 03:19:53,894 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd [2021-11-23 03:19:53,894 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd [2021-11-23 03:19:53,894 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 03:19:53,894 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 03:19:53,894 INFO L130 BoogieDeclarations]: Found specification of procedure bt_get_result [2021-11-23 03:19:53,895 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_get_result [2021-11-23 03:19:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_one_si [2021-11-23 03:19:53,895 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_one_si [2021-11-23 03:19:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure smic_get_result [2021-11-23 03:19:53,895 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_get_result [2021-11-23 03:19:53,896 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_remove [2021-11-23 03:19:53,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_remove [2021-11-23 03:19:53,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 03:19:53,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 03:19:53,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 03:19:53,897 INFO L130 BoogieDeclarations]: Found specification of procedure check_obf [2021-11-23 03:19:53,897 INFO L138 BoogieDeclarations]: Found implementation of procedure check_obf [2021-11-23 03:19:53,897 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_add_proc_entry [2021-11-23 03:19:53,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_add_proc_entry [2021-11-23 03:19:53,897 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-11-23 03:19:53,898 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-11-23 03:19:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-23 03:19:53,898 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-23 03:19:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 03:19:53,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 03:19:53,899 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2021-11-23 03:19:53,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2021-11-23 03:19:53,899 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-23 03:19:53,899 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-23 03:19:53,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 03:19:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2021-11-23 03:19:53,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2021-11-23 03:19:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2021-11-23 03:19:53,900 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2021-11-23 03:19:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure get_kcs_result [2021-11-23 03:19:53,901 INFO L138 BoogieDeclarations]: Found implementation of procedure get_kcs_result [2021-11-23 03:19:53,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:19:53,901 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_probe [2021-11-23 03:19:53,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_probe [2021-11-23 03:19:53,901 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_timer_and_thread [2021-11-23 03:19:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_timer_and_thread [2021-11-23 03:19:53,902 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-23 03:19:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-23 03:19:53,902 INFO L130 BoogieDeclarations]: Found specification of procedure bt_detect [2021-11-23 03:19:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_detect [2021-11-23 03:19:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2021-11-23 03:19:53,903 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2021-11-23 03:19:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 03:19:53,903 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 03:19:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2021-11-23 03:19:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2021-11-23 03:19:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-11-23 03:19:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-11-23 03:19:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_init [2021-11-23 03:19:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_init [2021-11-23 03:19:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure try_smi_init [2021-11-23 03:19:53,905 INFO L138 BoogieDeclarations]: Found implementation of procedure try_smi_init [2021-11-23 03:19:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure add_smi [2021-11-23 03:19:53,905 INFO L138 BoogieDeclarations]: Found implementation of procedure add_smi [2021-11-23 03:19:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure force_result [2021-11-23 03:19:53,906 INFO L138 BoogieDeclarations]: Found implementation of procedure force_result [2021-11-23 03:19:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-23 03:19:53,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-23 03:19:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 03:19:53,906 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 03:19:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_recv_msg [2021-11-23 03:19:53,907 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_recv_msg [2021-11-23 03:19:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure status2txt [2021-11-23 03:19:53,907 INFO L138 BoogieDeclarations]: Found implementation of procedure status2txt [2021-11-23 03:19:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_flags [2021-11-23 03:19:53,908 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_flags [2021-11-23 03:19:53,908 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-23 03:19:53,908 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-23 03:19:53,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:19:53,908 INFO L130 BoogieDeclarations]: Found specification of procedure bt_start_transaction [2021-11-23 03:19:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_start_transaction [2021-11-23 03:19:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure start_kcs_transaction [2021-11-23 03:19:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure start_kcs_transaction [2021-11-23 03:19:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 03:19:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 03:19:53,910 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_data [2021-11-23 03:19:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_data [2021-11-23 03:19:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure handle_flags [2021-11-23 03:19:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_flags [2021-11-23 03:19:53,916 INFO L130 BoogieDeclarations]: Found specification of procedure start_clear_flags [2021-11-23 03:19:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure start_clear_flags [2021-11-23 03:19:53,916 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2021-11-23 03:19:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2021-11-23 03:19:53,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:19:53,917 INFO L130 BoogieDeclarations]: Found specification of procedure bt_cleanup [2021-11-23 03:19:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_cleanup [2021-11-23 03:19:53,918 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_thread [2021-11-23 03:19:53,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_thread [2021-11-23 03:19:53,921 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2021-11-23 03:19:53,921 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2021-11-23 03:19:53,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:19:53,921 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-23 03:19:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-23 03:19:53,922 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte [2021-11-23 03:19:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte [2021-11-23 03:19:53,922 INFO L130 BoogieDeclarations]: Found specification of procedure poll [2021-11-23 03:19:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure poll [2021-11-23 03:19:53,922 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 03:19:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 03:19:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_si_set_not_busy [2021-11-23 03:19:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_si_set_not_busy [2021-11-23 03:19:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:19:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 03:19:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-23 03:19:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-23 03:19:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 03:19:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 03:19:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-11-23 03:19:53,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-11-23 03:19:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_flags [2021-11-23 03:19:53,925 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_flags [2021-11-23 03:19:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 03:19:53,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 03:19:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2021-11-23 03:19:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2021-11-23 03:19:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_control [2021-11-23 03:19:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_control [2021-11-23 03:19:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 03:19:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 03:19:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure return_hosed_msg [2021-11-23 03:19:53,927 INFO L138 BoogieDeclarations]: Found implementation of procedure return_hosed_msg [2021-11-23 03:19:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_remove [2021-11-23 03:19:53,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_remove [2021-11-23 03:19:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_probe [2021-11-23 03:19:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_probe [2021-11-23 03:19:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte___0 [2021-11-23 03:19:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte___0 [2021-11-23 03:19:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure read_all_bytes [2021-11-23 03:19:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure read_all_bytes [2021-11-23 03:19:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure init_kcs_data [2021-11-23 03:19:53,929 INFO L138 BoogieDeclarations]: Found implementation of procedure init_kcs_data [2021-11-23 03:19:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure si_irq_handler [2021-11-23 03:19:53,929 INFO L138 BoogieDeclarations]: Found implementation of procedure si_irq_handler [2021-11-23 03:19:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 03:19:53,929 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 03:19:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure smic_event [2021-11-23 03:19:53,930 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_event [2021-11-23 03:19:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:19:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-23 03:19:53,930 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-23 03:19:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-23 03:19:53,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-23 03:19:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-11-23 03:19:53,931 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-11-23 03:19:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure handle_transaction_done [2021-11-23 03:19:53,931 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_transaction_done [2021-11-23 03:19:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:19:53,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:19:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-23 03:19:53,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-23 03:19:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 03:19:53,933 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 03:19:55,261 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:19:55,269 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:19:56,214 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 03:20:03,609 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:20:06,241 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:20:06,242 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 03:20:06,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:20:06 BoogieIcfgContainer [2021-11-23 03:20:06,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:20:06,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:20:06,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:20:06,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:20:06,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:19:48" (1/3) ... [2021-11-23 03:20:06,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec99e6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:20:06, skipping insertion in model container [2021-11-23 03:20:06,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:52" (2/3) ... [2021-11-23 03:20:06,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec99e6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:20:06, skipping insertion in model container [2021-11-23 03:20:06,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:20:06" (3/3) ... [2021-11-23 03:20:06,262 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2021-11-23 03:20:06,274 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:20:06,274 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:20:06,355 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:20:06,370 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 03:20:06,371 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:20:06,459 INFO L276 IsEmpty]: Start isEmpty. Operand has 2133 states, 1381 states have (on average 1.4257784214337437) internal successors, (1969), 1468 states have internal predecessors, (1969), 615 states have call successors, (615), 136 states have call predecessors, (615), 135 states have return successors, (600), 566 states have call predecessors, (600), 600 states have call successors, (600) [2021-11-23 03:20:06,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 03:20:06,487 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:20:06,488 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:20:06,489 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:20:06,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:20:06,496 INFO L85 PathProgramCache]: Analyzing trace with hash 2049125687, now seen corresponding path program 1 times [2021-11-23 03:20:06,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:20:06,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036521605] [2021-11-23 03:20:06,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:20:06,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:20:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:20:07,478 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 03:20:07,479 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:20:07,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036521605] [2021-11-23 03:20:07,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036521605] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:20:07,480 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:20:07,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:20:07,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752852980] [2021-11-23 03:20:07,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:20:07,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:20:07,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:20:07,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:20:07,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:20:07,553 INFO L87 Difference]: Start difference. First operand has 2133 states, 1381 states have (on average 1.4257784214337437) internal successors, (1969), 1468 states have internal predecessors, (1969), 615 states have call successors, (615), 136 states have call predecessors, (615), 135 states have return successors, (600), 566 states have call predecessors, (600), 600 states have call successors, (600) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-23 03:20:23,512 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:20:29,210 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:20:29,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:20:29,353 INFO L93 Difference]: Finished difference Result 8416 states and 13239 transitions. [2021-11-23 03:20:29,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:20:29,356 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 103 [2021-11-23 03:20:29,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:20:29,478 INFO L225 Difference]: With dead ends: 8416 [2021-11-23 03:20:29,478 INFO L226 Difference]: Without dead ends: 6251 [2021-11-23 03:20:29,521 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:20:29,528 INFO L933 BasicCegarLoop]: 4175 mSDtfsCounter, 6267 mSDsluCounter, 8261 mSDsCounter, 0 mSdLazyCounter, 2406 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6267 SdHoareTripleChecker+Valid, 11624 SdHoareTripleChecker+Invalid, 2414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2406 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:20:29,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6267 Valid, 11624 Invalid, 2414 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 2406 Invalid, 1 Unknown, 0 Unchecked, 20.9s Time] [2021-11-23 03:20:29,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6251 states. [2021-11-23 03:20:30,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6251 to 6239. [2021-11-23 03:20:30,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6239 states, 4090 states have (on average 1.414914425427873) internal successors, (5787), 4285 states have internal predecessors, (5787), 1748 states have call successors, (1748), 401 states have call predecessors, (1748), 400 states have return successors, (1886), 1651 states have call predecessors, (1886), 1747 states have call successors, (1886) [2021-11-23 03:20:30,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6239 states to 6239 states and 9421 transitions. [2021-11-23 03:20:30,399 INFO L78 Accepts]: Start accepts. Automaton has 6239 states and 9421 transitions. Word has length 103 [2021-11-23 03:20:30,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:20:30,403 INFO L470 AbstractCegarLoop]: Abstraction has 6239 states and 9421 transitions. [2021-11-23 03:20:30,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-23 03:20:30,404 INFO L276 IsEmpty]: Start isEmpty. Operand 6239 states and 9421 transitions. [2021-11-23 03:20:30,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-23 03:20:30,411 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:20:30,412 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:20:30,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:20:30,412 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:20:30,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:20:30,416 INFO L85 PathProgramCache]: Analyzing trace with hash 664426745, now seen corresponding path program 1 times [2021-11-23 03:20:30,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:20:30,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402049525] [2021-11-23 03:20:30,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:20:30,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:20:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:20:30,811 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 03:20:30,812 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:20:30,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402049525] [2021-11-23 03:20:30,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402049525] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:20:30,813 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:20:30,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:20:30,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129946568] [2021-11-23 03:20:30,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:20:30,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:20:30,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:20:30,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:20:30,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:20:30,817 INFO L87 Difference]: Start difference. First operand 6239 states and 9421 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-23 03:20:46,475 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:20:50,468 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:20:50,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:20:50,625 INFO L93 Difference]: Finished difference Result 24839 states and 38191 transitions. [2021-11-23 03:20:50,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:20:50,626 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 104 [2021-11-23 03:20:50,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:20:50,865 INFO L225 Difference]: With dead ends: 24839 [2021-11-23 03:20:50,865 INFO L226 Difference]: Without dead ends: 18631 [2021-11-23 03:20:50,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:20:50,939 INFO L933 BasicCegarLoop]: 4043 mSDtfsCounter, 8078 mSDsluCounter, 5160 mSDsCounter, 0 mSdLazyCounter, 2033 mSolverCounterSat, 1154 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8078 SdHoareTripleChecker+Valid, 8654 SdHoareTripleChecker+Invalid, 3188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1154 IncrementalHoareTripleChecker+Valid, 2033 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:20:50,940 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8078 Valid, 8654 Invalid, 3188 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1154 Valid, 2033 Invalid, 1 Unknown, 0 Unchecked, 19.0s Time] [2021-11-23 03:20:50,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18631 states. [2021-11-23 03:20:52,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18631 to 18619. [2021-11-23 03:20:52,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18619 states, 12226 states have (on average 1.4154261410109603) internal successors, (17305), 12795 states have internal predecessors, (17305), 5194 states have call successors, (5194), 1199 states have call predecessors, (5194), 1198 states have return successors, (6295), 4915 states have call predecessors, (6295), 5193 states have call successors, (6295) [2021-11-23 03:20:52,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18619 states to 18619 states and 28794 transitions. [2021-11-23 03:20:52,525 INFO L78 Accepts]: Start accepts. Automaton has 18619 states and 28794 transitions. Word has length 104 [2021-11-23 03:20:52,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:20:52,526 INFO L470 AbstractCegarLoop]: Abstraction has 18619 states and 28794 transitions. [2021-11-23 03:20:52,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-23 03:20:52,528 INFO L276 IsEmpty]: Start isEmpty. Operand 18619 states and 28794 transitions. [2021-11-23 03:20:52,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 03:20:52,533 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:20:52,534 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:20:52,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:20:52,534 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:20:52,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:20:52,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1030793023, now seen corresponding path program 1 times [2021-11-23 03:20:52,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:20:52,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526721356] [2021-11-23 03:20:52,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:20:52,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:20:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:20:52,943 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 03:20:52,944 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:20:52,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526721356] [2021-11-23 03:20:52,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526721356] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:20:52,949 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:20:52,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:20:52,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026102999] [2021-11-23 03:20:52,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:20:52,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:20:52,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:20:52,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:20:52,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:20:52,956 INFO L87 Difference]: Start difference. First operand 18619 states and 28794 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-23 03:21:07,650 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:21:09,727 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:21:12,353 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:21:16,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:21:16,338 INFO L93 Difference]: Finished difference Result 74363 states and 118221 transitions. [2021-11-23 03:21:16,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:21:16,338 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 105 [2021-11-23 03:21:16,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:21:16,916 INFO L225 Difference]: With dead ends: 74363 [2021-11-23 03:21:16,916 INFO L226 Difference]: Without dead ends: 55775 [2021-11-23 03:21:17,093 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:21:17,099 INFO L933 BasicCegarLoop]: 4044 mSDtfsCounter, 8110 mSDsluCounter, 5173 mSDsCounter, 0 mSdLazyCounter, 2046 mSolverCounterSat, 1162 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8110 SdHoareTripleChecker+Valid, 8665 SdHoareTripleChecker+Invalid, 3210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1162 IncrementalHoareTripleChecker+Valid, 2046 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:21:17,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8110 Valid, 8665 Invalid, 3210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1162 Valid, 2046 Invalid, 2 Unknown, 0 Unchecked, 21.7s Time] [2021-11-23 03:21:17,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55775 states. [2021-11-23 03:21:20,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55775 to 55763. [2021-11-23 03:21:20,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55763 states, 36642 states have (on average 1.4152338846132853) internal successors, (51857), 38327 states have internal predecessors, (51857), 15528 states have call successors, (15528), 3593 states have call predecessors, (15528), 3592 states have return successors, (22052), 14711 states have call predecessors, (22052), 15527 states have call successors, (22052) [2021-11-23 03:21:21,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55763 states to 55763 states and 89437 transitions. [2021-11-23 03:21:21,690 INFO L78 Accepts]: Start accepts. Automaton has 55763 states and 89437 transitions. Word has length 105 [2021-11-23 03:21:21,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:21:21,691 INFO L470 AbstractCegarLoop]: Abstraction has 55763 states and 89437 transitions. [2021-11-23 03:21:21,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-23 03:21:21,691 INFO L276 IsEmpty]: Start isEmpty. Operand 55763 states and 89437 transitions. [2021-11-23 03:21:21,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-23 03:21:21,696 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:21:21,696 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:21:21,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 03:21:21,697 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:21:21,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:21:21,698 INFO L85 PathProgramCache]: Analyzing trace with hash -154393727, now seen corresponding path program 1 times [2021-11-23 03:21:21,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:21:21,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212136172] [2021-11-23 03:21:21,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:21:21,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:21:21,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:21:22,052 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 03:21:22,053 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:21:22,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212136172] [2021-11-23 03:21:22,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212136172] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:21:22,054 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:21:22,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:21:22,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371545242] [2021-11-23 03:21:22,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:21:22,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:21:22,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:21:22,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:21:22,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:21:22,058 INFO L87 Difference]: Start difference. First operand 55763 states and 89437 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-23 03:21:38,300 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:21:44,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:21:44,719 INFO L93 Difference]: Finished difference Result 222119 states and 371142 transitions. [2021-11-23 03:21:44,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:21:44,720 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 106 [2021-11-23 03:21:44,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:21:46,629 INFO L225 Difference]: With dead ends: 222119 [2021-11-23 03:21:46,630 INFO L226 Difference]: Without dead ends: 166387 [2021-11-23 03:21:47,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:21:47,069 INFO L933 BasicCegarLoop]: 4036 mSDtfsCounter, 8071 mSDsluCounter, 5160 mSDsCounter, 0 mSdLazyCounter, 2036 mSolverCounterSat, 1154 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8071 SdHoareTripleChecker+Valid, 8647 SdHoareTripleChecker+Invalid, 3191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1154 IncrementalHoareTripleChecker+Valid, 2036 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:21:47,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8071 Valid, 8647 Invalid, 3191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1154 Valid, 2036 Invalid, 1 Unknown, 0 Unchecked, 16.0s Time] [2021-11-23 03:21:47,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166387 states. [2021-11-23 03:21:56,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166387 to 166321. [2021-11-23 03:21:57,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166321 states, 109387 states have (on average 1.4150584621572948) internal successors, (154789), 114364 states have internal predecessors, (154789), 46192 states have call successors, (46192), 10743 states have call predecessors, (46192), 10741 states have return successors, (80586), 43792 states have call predecessors, (80586), 46191 states have call successors, (80586) [2021-11-23 03:22:00,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166321 states to 166321 states and 281567 transitions. [2021-11-23 03:22:00,560 INFO L78 Accepts]: Start accepts. Automaton has 166321 states and 281567 transitions. Word has length 106 [2021-11-23 03:22:00,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:22:00,561 INFO L470 AbstractCegarLoop]: Abstraction has 166321 states and 281567 transitions. [2021-11-23 03:22:00,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-23 03:22:00,561 INFO L276 IsEmpty]: Start isEmpty. Operand 166321 states and 281567 transitions. [2021-11-23 03:22:00,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 03:22:00,564 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:22:00,564 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:22:00,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 03:22:00,565 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:22:00,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:22:00,565 INFO L85 PathProgramCache]: Analyzing trace with hash 711180582, now seen corresponding path program 1 times [2021-11-23 03:22:00,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:22:00,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051120411] [2021-11-23 03:22:00,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:22:00,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:22:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:22:00,789 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 03:22:00,789 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:22:00,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051120411] [2021-11-23 03:22:00,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051120411] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:22:00,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:22:00,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:22:00,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556187106] [2021-11-23 03:22:00,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:22:00,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:22:00,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:22:00,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:22:00,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:22:00,792 INFO L87 Difference]: Start difference. First operand 166321 states and 281567 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-23 03:22:12,810 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:22:26,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:22:26,079 INFO L93 Difference]: Finished difference Result 498067 states and 843348 transitions. [2021-11-23 03:22:26,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:22:26,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 108 [2021-11-23 03:22:26,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:22:29,276 INFO L225 Difference]: With dead ends: 498067 [2021-11-23 03:22:29,276 INFO L226 Difference]: Without dead ends: 331777 [2021-11-23 03:22:30,884 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:22:30,885 INFO L933 BasicCegarLoop]: 3435 mSDtfsCounter, 3102 mSDsluCounter, 3088 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3102 SdHoareTripleChecker+Valid, 6248 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:22:30,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3102 Valid, 6248 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 561 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2021-11-23 03:22:31,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331777 states.