./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f266b6e-23e7-4c38-9d47-8de262df32bd/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f266b6e-23e7-4c38-9d47-8de262df32bd/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f266b6e-23e7-4c38-9d47-8de262df32bd/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f266b6e-23e7-4c38-9d47-8de262df32bd/bin/uautomizer-DrprNOufMa/config/AutomizerReach.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_7f266b6e-23e7-4c38-9d47-8de262df32bd/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f266b6e-23e7-4c38-9d47-8de262df32bd/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:52:24,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:52:24,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:52:24,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:52:24,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:52:24,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:52:24,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:52:24,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:52:24,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:52:24,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:52:24,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:52:24,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:52:24,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:52:24,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:52:24,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:52:24,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:52:24,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:52:24,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:52:24,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:52:24,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:52:24,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:52:24,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:52:24,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:52:24,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:52:24,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:52:24,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:52:24,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:52:24,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:52:24,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:52:24,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:52:24,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:52:24,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:52:24,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:52:24,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:52:24,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:52:24,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:52:24,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:52:24,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:52:24,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:52:24,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:52:24,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:52:24,891 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f266b6e-23e7-4c38-9d47-8de262df32bd/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 20:52:24,908 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:52:24,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:52:24,909 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:52:24,909 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:52:24,909 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 20:52:24,909 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 20:52:24,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:52:24,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:52:24,910 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:52:24,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:52:24,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 20:52:24,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:52:24,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 20:52:24,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 20:52:24,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 20:52:24,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 20:52:24,911 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:52:24,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 20:52:24,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:52:24,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:52:24,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 20:52:24,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:52:24,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:52:24,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 20:52:24,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 20:52:24,912 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 20:52:24,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 20:52:24,912 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 20:52:24,912 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 20:52:24,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 20:52:24,912 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:52:24,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f266b6e-23e7-4c38-9d47-8de262df32bd/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f266b6e-23e7-4c38-9d47-8de262df32bd/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 [2021-12-06 20:52:25,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:52:25,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:52:25,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:52:25,119 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:52:25,120 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:52:25,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f266b6e-23e7-4c38-9d47-8de262df32bd/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2021-12-06 20:52:25,163 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f266b6e-23e7-4c38-9d47-8de262df32bd/bin/uautomizer-DrprNOufMa/data/8813faec4/d5c80a7a017344c5a1d96c8b80cc259f/FLAGd3e737c6d [2021-12-06 20:52:25,777 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:52:25,778 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f266b6e-23e7-4c38-9d47-8de262df32bd/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2021-12-06 20:52:25,808 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f266b6e-23e7-4c38-9d47-8de262df32bd/bin/uautomizer-DrprNOufMa/data/8813faec4/d5c80a7a017344c5a1d96c8b80cc259f/FLAGd3e737c6d [2021-12-06 20:52:26,165 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f266b6e-23e7-4c38-9d47-8de262df32bd/bin/uautomizer-DrprNOufMa/data/8813faec4/d5c80a7a017344c5a1d96c8b80cc259f [2021-12-06 20:52:26,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:52:26,173 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:52:26,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:52:26,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:52:26,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:52:26,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:52:26" (1/1) ... [2021-12-06 20:52:26,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3196a532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:52:26, skipping insertion in model container [2021-12-06 20:52:26,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:52:26" (1/1) ... [2021-12-06 20:52:26,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:52:26,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:52:26,603 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] [2021-12-06 20:52:26,603 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] [2021-12-06 20:52:26,604 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] [2021-12-06 20:52:26,604 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2021-12-06 20:52:26,604 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2021-12-06 20:52:26,605 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2021-12-06 20:52:26,606 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] [2021-12-06 20:52:26,607 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] [2021-12-06 20:52:26,607 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] [2021-12-06 20:52:26,607 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2021-12-06 20:52:26,608 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2021-12-06 20:52:26,608 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2021-12-06 20:52:26,893 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_7f266b6e-23e7-4c38-9d47-8de262df32bd/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] [2021-12-06 20:52:27,949 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:52:27,972 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:52:28,018 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] [2021-12-06 20:52:28,018 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] [2021-12-06 20:52:28,019 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] [2021-12-06 20:52:28,019 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2021-12-06 20:52:28,019 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2021-12-06 20:52:28,019 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2021-12-06 20:52:28,020 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] [2021-12-06 20:52:28,020 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] [2021-12-06 20:52:28,020 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] [2021-12-06 20:52:28,020 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2021-12-06 20:52:28,020 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2021-12-06 20:52:28,021 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2021-12-06 20:52:28,027 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_7f266b6e-23e7-4c38-9d47-8de262df32bd/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] [2021-12-06 20:52:28,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:52:28,337 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:52:28,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:52:28 WrapperNode [2021-12-06 20:52:28,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:52:28,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:52:28,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:52:28,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:52:28,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:52:28" (1/1) ... [2021-12-06 20:52:28,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:52:28" (1/1) ... [2021-12-06 20:52:28,535 INFO L137 Inliner]: procedures = 348, calls = 3212, calls flagged for inlining = 148, calls inlined = 148, statements flattened = 6697 [2021-12-06 20:52:28,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:52:28,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:52:28,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:52:28,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:52:28,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:52:28" (1/1) ... [2021-12-06 20:52:28,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:52:28" (1/1) ... [2021-12-06 20:52:28,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:52:28" (1/1) ... [2021-12-06 20:52:28,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:52:28" (1/1) ... [2021-12-06 20:52:28,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:52:28" (1/1) ... [2021-12-06 20:52:28,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:52:28" (1/1) ... [2021-12-06 20:52:28,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:52:28" (1/1) ... [2021-12-06 20:52:28,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:52:28,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:52:28,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:52:28,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:52:28,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:52:28" (1/1) ... [2021-12-06 20:52:28,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:52:28,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f266b6e-23e7-4c38-9d47-8de262df32bd/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:52:28,807 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f266b6e-23e7-4c38-9d47-8de262df32bd/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 20:52:28,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f266b6e-23e7-4c38-9d47-8de262df32bd/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 20:52:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure smic_size [2021-12-06 20:52:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_size [2021-12-06 20:52:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-06 20:52:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-06 20:52:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2021-12-06 20:52:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2021-12-06 20:52:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure bt_event [2021-12-06 20:52:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_event [2021-12-06 20:52:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2021-12-06 20:52:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2021-12-06 20:52:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 20:52:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2021-12-06 20:52:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2021-12-06 20:52:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 20:52:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-12-06 20:52:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-12-06 20:52:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure enable_si_irq [2021-12-06 20:52:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_si_irq [2021-12-06 20:52:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 20:52:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 20:52:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_msg_done [2021-12-06 20:52:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_msg_done [2021-12-06 20:52:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure start_enable_irq [2021-12-06 20:52:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure start_enable_irq [2021-12-06 20:52:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-06 20:52:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-06 20:52:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_30 [2021-12-06 20:52:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_30 [2021-12-06 20:52:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 20:52:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 20:52:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure reset_flags [2021-12-06 20:52:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_flags [2021-12-06 20:52:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure smic_cleanup [2021-12-06 20:52:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_cleanup [2021-12-06 20:52:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure clear_obf [2021-12-06 20:52:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_obf [2021-12-06 20:52:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure smi_event_handler [2021-12-06 20:52:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_event_handler [2021-12-06 20:52:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte___0 [2021-12-06 20:52:28,859 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte___0 [2021-12-06 20:52:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure read_status [2021-12-06 20:52:28,859 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status [2021-12-06 20:52:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure bt_size [2021-12-06 20:52:28,859 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_size [2021-12-06 20:52:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure bt_init_data [2021-12-06 20:52:28,859 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_init_data [2021-12-06 20:52:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_resume [2021-12-06 20:52:28,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_resume [2021-12-06 20:52:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure smic_detect [2021-12-06 20:52:28,860 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_detect [2021-12-06 20:52:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-06 20:52:28,860 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-06 20:52:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-06 20:52:28,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-06 20:52:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure request_events [2021-12-06 20:52:28,860 INFO L138 BoogieDeclarations]: Found implementation of procedure request_events [2021-12-06 20:52:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2021-12-06 20:52:28,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2021-12-06 20:52:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-06 20:52:28,860 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-06 20:52:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 20:52:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 20:52:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-12-06 20:52:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-12-06 20:52:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure check_hotmod_int_op [2021-12-06 20:52:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hotmod_int_op [2021-12-06 20:52:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure parse_str [2021-12-06 20:52:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_str [2021-12-06 20:52:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 20:52:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 20:52:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_detect [2021-12-06 20:52:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_detect [2021-12-06 20:52:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_size [2021-12-06 20:52:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_size [2021-12-06 20:52:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure drain_BMC2HOST [2021-12-06 20:52:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_BMC2HOST [2021-12-06 20:52:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure error_recovery [2021-12-06 20:52:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure error_recovery [2021-12-06 20:52:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_status [2021-12-06 20:52:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_status [2021-12-06 20:52:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure disable_si_irq [2021-12-06 20:52:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_si_irq [2021-12-06 20:52:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery [2021-12-06 20:52:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery [2021-12-06 20:52:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_event [2021-12-06 20:52:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_event [2021-12-06 20:52:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte [2021-12-06 20:52:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte [2021-12-06 20:52:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure start_smic_transaction [2021-12-06 20:52:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure start_smic_transaction [2021-12-06 20:52:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2021-12-06 20:52:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2021-12-06 20:52:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 20:52:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-06 20:52:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-06 20:52:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure state2txt [2021-12-06 20:52:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure state2txt [2021-12-06 20:52:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 20:52:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_unregister_smi [2021-12-06 20:52:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_unregister_smi [2021-12-06 20:52:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-06 20:52:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-06 20:52:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_38 [2021-12-06 20:52:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_38 [2021-12-06 20:52:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-06 20:52:28,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-06 20:52:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2021-12-06 20:52:28,864 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2021-12-06 20:52:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-06 20:52:28,864 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-06 20:52:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2021-12-06 20:52:28,864 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2021-12-06 20:52:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-06 20:52:28,864 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-06 20:52:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 20:52:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 20:52:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2021-12-06 20:52:28,864 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2021-12-06 20:52:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure start_next_msg [2021-12-06 20:52:28,864 INFO L138 BoogieDeclarations]: Found implementation of procedure start_next_msg [2021-12-06 20:52:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure init_smic_data [2021-12-06 20:52:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure init_smic_data [2021-12-06 20:52:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-12-06 20:52:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-06 20:52:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-06 20:52:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_cleanup [2021-12-06 20:52:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_cleanup [2021-12-06 20:52:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-06 20:52:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-06 20:52:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery___0 [2021-12-06 20:52:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery___0 [2021-12-06 20:52:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2021-12-06 20:52:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2021-12-06 20:52:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd [2021-12-06 20:52:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd [2021-12-06 20:52:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 20:52:28,866 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 20:52:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure bt_get_result [2021-12-06 20:52:28,866 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_get_result [2021-12-06 20:52:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_one_si [2021-12-06 20:52:28,866 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_one_si [2021-12-06 20:52:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure smic_get_result [2021-12-06 20:52:28,866 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_get_result [2021-12-06 20:52:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_remove [2021-12-06 20:52:28,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_remove [2021-12-06 20:52:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 20:52:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-06 20:52:28,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-06 20:52:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure check_obf [2021-12-06 20:52:28,866 INFO L138 BoogieDeclarations]: Found implementation of procedure check_obf [2021-12-06 20:52:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_add_proc_entry [2021-12-06 20:52:28,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_add_proc_entry [2021-12-06 20:52:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-12-06 20:52:28,867 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-12-06 20:52:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-06 20:52:28,867 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-06 20:52:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-06 20:52:28,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-06 20:52:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2021-12-06 20:52:28,867 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2021-12-06 20:52:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-06 20:52:28,867 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-06 20:52:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 20:52:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2021-12-06 20:52:28,867 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2021-12-06 20:52:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2021-12-06 20:52:28,867 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2021-12-06 20:52:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure get_kcs_result [2021-12-06 20:52:28,868 INFO L138 BoogieDeclarations]: Found implementation of procedure get_kcs_result [2021-12-06 20:52:28,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 20:52:28,868 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_probe [2021-12-06 20:52:28,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_probe [2021-12-06 20:52:28,868 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_timer_and_thread [2021-12-06 20:52:28,868 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_timer_and_thread [2021-12-06 20:52:28,868 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-06 20:52:28,868 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-06 20:52:28,868 INFO L130 BoogieDeclarations]: Found specification of procedure bt_detect [2021-12-06 20:52:28,868 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_detect [2021-12-06 20:52:28,868 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2021-12-06 20:52:28,868 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2021-12-06 20:52:28,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 20:52:28,868 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 20:52:28,868 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2021-12-06 20:52:28,868 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2021-12-06 20:52:28,869 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-12-06 20:52:28,869 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-12-06 20:52:28,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_init [2021-12-06 20:52:28,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_init [2021-12-06 20:52:28,869 INFO L130 BoogieDeclarations]: Found specification of procedure try_smi_init [2021-12-06 20:52:28,869 INFO L138 BoogieDeclarations]: Found implementation of procedure try_smi_init [2021-12-06 20:52:28,869 INFO L130 BoogieDeclarations]: Found specification of procedure add_smi [2021-12-06 20:52:28,869 INFO L138 BoogieDeclarations]: Found implementation of procedure add_smi [2021-12-06 20:52:28,869 INFO L130 BoogieDeclarations]: Found specification of procedure force_result [2021-12-06 20:52:28,869 INFO L138 BoogieDeclarations]: Found implementation of procedure force_result [2021-12-06 20:52:28,869 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-06 20:52:28,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-06 20:52:28,869 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 20:52:28,869 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 20:52:28,869 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_recv_msg [2021-12-06 20:52:28,869 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_recv_msg [2021-12-06 20:52:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure status2txt [2021-12-06 20:52:28,870 INFO L138 BoogieDeclarations]: Found implementation of procedure status2txt [2021-12-06 20:52:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_flags [2021-12-06 20:52:28,870 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_flags [2021-12-06 20:52:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-06 20:52:28,870 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-06 20:52:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 20:52:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure bt_start_transaction [2021-12-06 20:52:28,870 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_start_transaction [2021-12-06 20:52:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure start_kcs_transaction [2021-12-06 20:52:28,870 INFO L138 BoogieDeclarations]: Found implementation of procedure start_kcs_transaction [2021-12-06 20:52:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 20:52:28,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 20:52:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_data [2021-12-06 20:52:28,870 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_data [2021-12-06 20:52:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure handle_flags [2021-12-06 20:52:28,870 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_flags [2021-12-06 20:52:28,871 INFO L130 BoogieDeclarations]: Found specification of procedure start_clear_flags [2021-12-06 20:52:28,871 INFO L138 BoogieDeclarations]: Found implementation of procedure start_clear_flags [2021-12-06 20:52:28,871 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2021-12-06 20:52:28,871 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2021-12-06 20:52:28,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 20:52:28,871 INFO L130 BoogieDeclarations]: Found specification of procedure bt_cleanup [2021-12-06 20:52:28,871 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_cleanup [2021-12-06 20:52:28,871 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_thread [2021-12-06 20:52:28,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_thread [2021-12-06 20:52:28,871 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2021-12-06 20:52:28,871 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2021-12-06 20:52:28,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 20:52:28,871 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-06 20:52:28,871 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-06 20:52:28,871 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte [2021-12-06 20:52:28,871 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte [2021-12-06 20:52:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure poll [2021-12-06 20:52:28,872 INFO L138 BoogieDeclarations]: Found implementation of procedure poll [2021-12-06 20:52:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-06 20:52:28,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-06 20:52:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_si_set_not_busy [2021-12-06 20:52:28,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_si_set_not_busy [2021-12-06 20:52:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 20:52:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 20:52:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-06 20:52:28,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-06 20:52:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 20:52:28,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 20:52:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-12-06 20:52:28,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-12-06 20:52:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_flags [2021-12-06 20:52:28,872 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_flags [2021-12-06 20:52:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-06 20:52:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-06 20:52:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2021-12-06 20:52:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2021-12-06 20:52:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_control [2021-12-06 20:52:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_control [2021-12-06 20:52:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-06 20:52:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-06 20:52:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure return_hosed_msg [2021-12-06 20:52:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure return_hosed_msg [2021-12-06 20:52:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_remove [2021-12-06 20:52:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_remove [2021-12-06 20:52:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_probe [2021-12-06 20:52:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_probe [2021-12-06 20:52:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte___0 [2021-12-06 20:52:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte___0 [2021-12-06 20:52:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure read_all_bytes [2021-12-06 20:52:28,874 INFO L138 BoogieDeclarations]: Found implementation of procedure read_all_bytes [2021-12-06 20:52:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure init_kcs_data [2021-12-06 20:52:28,874 INFO L138 BoogieDeclarations]: Found implementation of procedure init_kcs_data [2021-12-06 20:52:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure si_irq_handler [2021-12-06 20:52:28,874 INFO L138 BoogieDeclarations]: Found implementation of procedure si_irq_handler [2021-12-06 20:52:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 20:52:28,874 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 20:52:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure smic_event [2021-12-06 20:52:28,874 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_event [2021-12-06 20:52:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 20:52:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-06 20:52:28,874 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-06 20:52:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-06 20:52:28,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-06 20:52:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-12-06 20:52:28,874 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-12-06 20:52:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure handle_transaction_done [2021-12-06 20:52:28,874 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_transaction_done [2021-12-06 20:52:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:52:28,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:52:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-12-06 20:52:28,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-12-06 20:52:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-06 20:52:28,875 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-06 20:52:29,419 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:52:29,421 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:52:29,849 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 20:52:33,759 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:52:33,778 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:52:33,778 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 20:52:33,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:52:33 BoogieIcfgContainer [2021-12-06 20:52:33,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:52:33,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 20:52:33,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 20:52:33,785 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 20:52:33,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 08:52:26" (1/3) ... [2021-12-06 20:52:33,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6747fd9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:52:33, skipping insertion in model container [2021-12-06 20:52:33,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:52:28" (2/3) ... [2021-12-06 20:52:33,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6747fd9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:52:33, skipping insertion in model container [2021-12-06 20:52:33,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:52:33" (3/3) ... [2021-12-06 20:52:33,788 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2021-12-06 20:52:33,791 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 20:52:33,792 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 20:52:33,834 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 20:52:33,839 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 20:52:33,839 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 20:52:33,890 INFO L276 IsEmpty]: Start isEmpty. Operand has 2652 states, 1900 states have (on average 1.418421052631579) internal successors, (2695), 1987 states have internal predecessors, (2695), 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) [2021-12-06 20:52:33,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-06 20:52:33,899 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:52:33,900 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] [2021-12-06 20:52:33,900 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:52:33,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:52:33,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1611012063, now seen corresponding path program 1 times [2021-12-06 20:52:33,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:52:33,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094640518] [2021-12-06 20:52:33,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:52:33,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:52:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:34,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:52:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:34,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 20:52:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:34,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:52:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:34,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 20:52:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:34,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 20:52:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:34,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 20:52:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:34,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 20:52:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:34,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 20:52:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:34,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 20:52:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:34,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 20:52:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:34,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 20:52:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:34,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 20:52:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:34,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 20:52:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:34,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:52:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:34,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-06 20:52:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:34,599 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-12-06 20:52:34,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:52:34,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094640518] [2021-12-06 20:52:34,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094640518] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:52:34,600 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:52:34,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 20:52:34,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024020513] [2021-12-06 20:52:34,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:52:34,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 20:52:34,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:52:34,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 20:52:34,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:52:34,635 INFO L87 Difference]: Start difference. First operand has 2652 states, 1900 states have (on average 1.418421052631579) internal successors, (2695), 1987 states have internal predecessors, (2695), 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 8 states, 8 states have (on average 4.75) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-12-06 20:52:56,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:52:56,965 INFO L93 Difference]: Finished difference Result 17082 states and 29031 transitions. [2021-12-06 20:52:56,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-06 20:52:56,967 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (18), 4 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 107 [2021-12-06 20:52:56,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:52:57,089 INFO L225 Difference]: With dead ends: 17082 [2021-12-06 20:52:57,090 INFO L226 Difference]: Without dead ends: 14337 [2021-12-06 20:52:57,134 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2021-12-06 20:52:57,137 INFO L933 BasicCegarLoop]: 6357 mSDtfsCounter, 23422 mSDsluCounter, 14232 mSDsCounter, 0 mSdLazyCounter, 16316 mSolverCounterSat, 14347 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24676 SdHoareTripleChecker+Valid, 20589 SdHoareTripleChecker+Invalid, 30663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 14347 IncrementalHoareTripleChecker+Valid, 16316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:52:57,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24676 Valid, 20589 Invalid, 30663 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [14347 Valid, 16316 Invalid, 0 Unknown, 0 Unchecked, 21.2s Time] [2021-12-06 20:52:57,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14337 states. [2021-12-06 20:52:57,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14337 to 11662. [2021-12-06 20:52:57,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11662 states, 8371 states have (on average 1.4095090192330666) internal successors, (11799), 8681 states have internal predecessors, (11799), 2645 states have call successors, (2645), 536 states have call predecessors, (2645), 645 states have return successors, (3862), 2583 states have call predecessors, (3862), 2644 states have call successors, (3862) [2021-12-06 20:52:57,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11662 states to 11662 states and 18306 transitions. [2021-12-06 20:52:57,976 INFO L78 Accepts]: Start accepts. Automaton has 11662 states and 18306 transitions. Word has length 107 [2021-12-06 20:52:57,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:52:57,978 INFO L470 AbstractCegarLoop]: Abstraction has 11662 states and 18306 transitions. [2021-12-06 20:52:57,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-12-06 20:52:57,978 INFO L276 IsEmpty]: Start isEmpty. Operand 11662 states and 18306 transitions. [2021-12-06 20:52:57,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-12-06 20:52:57,983 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:52:57,984 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] [2021-12-06 20:52:57,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 20:52:57,984 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:52:57,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:52:57,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1130693809, now seen corresponding path program 1 times [2021-12-06 20:52:57,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:52:57,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731081232] [2021-12-06 20:52:57,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:52:57,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:52:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:58,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:52:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:58,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 20:52:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:58,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:52:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:58,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 20:52:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:58,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 20:52:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:58,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 20:52:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:58,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 20:52:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:58,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 20:52:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:58,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 20:52:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:58,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 20:52:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:58,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 20:52:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:58,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 20:52:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:58,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 20:52:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:58,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:52:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:58,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-06 20:52:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:58,362 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-12-06 20:52:58,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:52:58,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731081232] [2021-12-06 20:52:58,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731081232] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:52:58,362 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:52:58,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 20:52:58,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795963315] [2021-12-06 20:52:58,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:52:58,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 20:52:58,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:52:58,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 20:52:58,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:52:58,364 INFO L87 Difference]: Start difference. First operand 11662 states and 18306 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-12-06 20:53:22,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:53:22,608 INFO L93 Difference]: Finished difference Result 68790 states and 121354 transitions. [2021-12-06 20:53:22,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-06 20:53:22,609 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (18), 4 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 108 [2021-12-06 20:53:22,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:53:22,987 INFO L225 Difference]: With dead ends: 68790 [2021-12-06 20:53:22,987 INFO L226 Difference]: Without dead ends: 57162 [2021-12-06 20:53:23,098 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2021-12-06 20:53:23,100 INFO L933 BasicCegarLoop]: 6273 mSDtfsCounter, 19292 mSDsluCounter, 17782 mSDsCounter, 0 mSdLazyCounter, 21802 mSolverCounterSat, 10679 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20537 SdHoareTripleChecker+Valid, 24055 SdHoareTripleChecker+Invalid, 32481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10679 IncrementalHoareTripleChecker+Valid, 21802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:53:23,100 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20537 Valid, 24055 Invalid, 32481 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10679 Valid, 21802 Invalid, 0 Unknown, 0 Unchecked, 22.2s Time] [2021-12-06 20:53:23,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57162 states. [2021-12-06 20:53:24,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57162 to 48683. [2021-12-06 20:53:25,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48683 states, 34875 states have (on average 1.4084014336917563) internal successors, (49118), 36161 states have internal predecessors, (49118), 11048 states have call successors, (11048), 2141 states have call predecessors, (11048), 2759 states have return successors, (21519), 10935 states have call predecessors, (21519), 11047 states have call successors, (21519) [2021-12-06 20:53:25,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48683 states to 48683 states and 81685 transitions. [2021-12-06 20:53:25,487 INFO L78 Accepts]: Start accepts. Automaton has 48683 states and 81685 transitions. Word has length 108 [2021-12-06 20:53:25,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:53:25,487 INFO L470 AbstractCegarLoop]: Abstraction has 48683 states and 81685 transitions. [2021-12-06 20:53:25,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-12-06 20:53:25,488 INFO L276 IsEmpty]: Start isEmpty. Operand 48683 states and 81685 transitions. [2021-12-06 20:53:25,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-12-06 20:53:25,491 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:53:25,491 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, 1] [2021-12-06 20:53:25,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 20:53:25,491 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:53:25,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:53:25,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1216630697, now seen corresponding path program 1 times [2021-12-06 20:53:25,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:53:25,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059351706] [2021-12-06 20:53:25,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:53:25,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:53:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:53:25,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:53:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:53:25,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 20:53:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:53:25,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:53:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:53:25,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 20:53:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:53:25,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 20:53:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:53:25,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 20:53:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:53:25,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 20:53:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:53:25,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 20:53:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:53:25,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 20:53:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:53:25,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 20:53:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:53:25,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 20:53:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:53:25,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 20:53:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:53:25,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 20:53:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:53:25,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:53:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:53:25,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-06 20:53:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:53:25,861 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-12-06 20:53:25,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:53:25,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059351706] [2021-12-06 20:53:25,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059351706] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:53:25,862 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:53:25,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 20:53:25,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506350845] [2021-12-06 20:53:25,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:53:25,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 20:53:25,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:53:25,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 20:53:25,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:53:25,863 INFO L87 Difference]: Start difference. First operand 48683 states and 81685 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-12-06 20:53:58,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:53:58,567 INFO L93 Difference]: Finished difference Result 277075 states and 557595 transitions. [2021-12-06 20:53:58,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-06 20:53:58,567 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 4 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 109 [2021-12-06 20:53:58,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:54:00,483 INFO L225 Difference]: With dead ends: 277075 [2021-12-06 20:54:00,483 INFO L226 Difference]: Without dead ends: 228426 [2021-12-06 20:54:01,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2021-12-06 20:54:01,254 INFO L933 BasicCegarLoop]: 6035 mSDtfsCounter, 22549 mSDsluCounter, 15531 mSDsCounter, 0 mSdLazyCounter, 19317 mSolverCounterSat, 12639 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23802 SdHoareTripleChecker+Valid, 21566 SdHoareTripleChecker+Invalid, 31956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12639 IncrementalHoareTripleChecker+Valid, 19317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.7s IncrementalHoareTripleChecker+Time [2021-12-06 20:54:01,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23802 Valid, 21566 Invalid, 31956 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12639 Valid, 19317 Invalid, 0 Unknown, 0 Unchecked, 24.7s Time] [2021-12-06 20:54:01,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228426 states. [2021-12-06 20:54:10,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228426 to 198505. [2021-12-06 20:54:10,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198505 states, 142079 states have (on average 1.407329725012141) internal successors, (199952), 147275 states have internal predecessors, (199952), 45068 states have call successors, (45068), 8561 states have call predecessors, (45068), 11357 states have return successors, (129232), 44887 states have call predecessors, (129232), 45067 states have call successors, (129232) [2021-12-06 20:54:13,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198505 states to 198505 states and 374252 transitions. [2021-12-06 20:54:13,324 INFO L78 Accepts]: Start accepts. Automaton has 198505 states and 374252 transitions. Word has length 109 [2021-12-06 20:54:13,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:54:13,325 INFO L470 AbstractCegarLoop]: Abstraction has 198505 states and 374252 transitions. [2021-12-06 20:54:13,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-12-06 20:54:13,325 INFO L276 IsEmpty]: Start isEmpty. Operand 198505 states and 374252 transitions. [2021-12-06 20:54:13,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-12-06 20:54:13,327 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:54:13,328 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, 1, 1] [2021-12-06 20:54:13,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 20:54:13,328 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:54:13,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:54:13,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1311606871, now seen corresponding path program 1 times [2021-12-06 20:54:13,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:54:13,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090486980] [2021-12-06 20:54:13,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:54:13,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:54:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:54:13,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:54:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:54:13,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 20:54:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:54:13,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:54:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:54:13,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 20:54:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:54:13,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 20:54:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:54:13,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 20:54:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:54:13,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 20:54:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:54:13,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 20:54:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:54:13,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 20:54:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:54:13,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 20:54:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:54:13,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 20:54:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:54:13,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 20:54:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:54:13,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 20:54:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:54:13,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:54:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:54:13,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-06 20:54:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:54:13,633 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-12-06 20:54:13,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:54:13,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090486980] [2021-12-06 20:54:13,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090486980] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:54:13,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:54:13,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 20:54:13,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053268880] [2021-12-06 20:54:13,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:54:13,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 20:54:13,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:54:13,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 20:54:13,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:54:13,635 INFO L87 Difference]: Start difference. First operand 198505 states and 374252 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-12-06 20:55:28,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:55:28,675 INFO L93 Difference]: Finished difference Result 1111042 states and 2851263 transitions. [2021-12-06 20:55:28,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-06 20:55:28,676 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (18), 4 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 110 [2021-12-06 20:55:28,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:55:43,069 INFO L225 Difference]: With dead ends: 1111042 [2021-12-06 20:55:43,070 INFO L226 Difference]: Without dead ends: 912571 [2021-12-06 20:55:54,039 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2021-12-06 20:55:54,040 INFO L933 BasicCegarLoop]: 5951 mSDtfsCounter, 21468 mSDsluCounter, 17373 mSDsCounter, 0 mSdLazyCounter, 17091 mSolverCounterSat, 11643 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22719 SdHoareTripleChecker+Valid, 23324 SdHoareTripleChecker+Invalid, 28734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11643 IncrementalHoareTripleChecker+Valid, 17091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:55:54,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22719 Valid, 23324 Invalid, 28734 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11643 Valid, 17091 Invalid, 0 Unknown, 0 Unchecked, 23.2s Time] [2021-12-06 20:55:54,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912571 states. [2021-12-06 20:56:59,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912571 to 800873. [2021-12-06 20:56:59,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800873 states, 573110 states have (on average 1.406572909214636) internal successors, (806121), 593891 states have internal predecessors, (806121), 181724 states have call successors, (181724), 34160 states have call predecessors, (181724), 46038 states have return successors, (888585), 181694 states have call predecessors, (888585), 181723 states have call successors, (888585)