./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb4ee4-ebc7-46ff-bbc0-e4d87a07ab34/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb4ee4-ebc7-46ff-bbc0-e4d87a07ab34/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb4ee4-ebc7-46ff-bbc0-e4d87a07ab34/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb4ee4-ebc7-46ff-bbc0-e4d87a07ab34/bin/uautomizer-YU5uOKAj3y/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_d0bb4ee4-ebc7-46ff-bbc0-e4d87a07ab34/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb4ee4-ebc7-46ff-bbc0-e4d87a07ab34/bin/uautomizer-YU5uOKAj3y --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 0.2.1-dev-63182f1 [2021-11-13 18:08:39,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:08:39,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:08:39,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:08:39,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:08:39,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:08:39,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:08:39,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:08:39,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:08:39,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:08:39,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:08:39,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:08:39,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:08:39,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:08:39,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:08:39,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:08:39,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:08:39,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:08:39,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:08:39,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:08:39,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:08:39,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:08:39,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:08:39,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:08:39,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:08:39,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:08:39,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:08:39,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:08:39,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:08:39,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:08:39,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:08:39,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:08:39,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:08:39,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:08:39,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:08:39,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:08:39,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:08:39,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:08:39,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:08:39,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:08:39,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:08:39,918 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb4ee4-ebc7-46ff-bbc0-e4d87a07ab34/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-13 18:08:39,974 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:08:39,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:08:39,974 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:08:39,975 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:08:39,976 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:08:39,976 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:08:39,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:08:39,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:08:39,977 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:08:39,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:08:39,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:08:39,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:08:39,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:08:39,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:08:39,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:08:39,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:08:39,980 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:08:39,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:08:39,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:08:39,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:08:39,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:08:39,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:08:39,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:08:39,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:08:39,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:08:39,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:08:39,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:08:39,983 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:08:39,983 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:08:39,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:08:39,984 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:08:39,984 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_d0bb4ee4-ebc7-46ff-bbc0-e4d87a07ab34/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb4ee4-ebc7-46ff-bbc0-e4d87a07ab34/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 [2021-11-13 18:08:40,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:08:40,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:08:40,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:08:40,368 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:08:40,369 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:08:40,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb4ee4-ebc7-46ff-bbc0-e4d87a07ab34/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2021-11-13 18:08:40,443 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb4ee4-ebc7-46ff-bbc0-e4d87a07ab34/bin/uautomizer-YU5uOKAj3y/data/4fdde8929/e62c9a1893fb49caa72c380947be329e/FLAGaafb64dda [2021-11-13 18:08:41,476 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:08:41,477 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb4ee4-ebc7-46ff-bbc0-e4d87a07ab34/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2021-11-13 18:08:41,542 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb4ee4-ebc7-46ff-bbc0-e4d87a07ab34/bin/uautomizer-YU5uOKAj3y/data/4fdde8929/e62c9a1893fb49caa72c380947be329e/FLAGaafb64dda [2021-11-13 18:08:41,767 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb4ee4-ebc7-46ff-bbc0-e4d87a07ab34/bin/uautomizer-YU5uOKAj3y/data/4fdde8929/e62c9a1893fb49caa72c380947be329e [2021-11-13 18:08:41,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:08:41,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:08:41,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:08:41,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:08:41,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:08:41,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:08:41" (1/1) ... [2021-11-13 18:08:41,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7facfeac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:08:41, skipping insertion in model container [2021-11-13 18:08:41,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:08:41" (1/1) ... [2021-11-13 18:08:41,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:08:41,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:08:42,606 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___0 * , struct si_sm_io * ) [3397] [2021-11-13 18:08:42,607 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3398] [2021-11-13 18:08:42,607 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3399] [2021-11-13 18:08:42,608 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2021-11-13 18:08:42,608 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2021-11-13 18:08:42,608 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2021-11-13 18:08:42,610 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___1 * , struct si_sm_io * ) [3433] [2021-11-13 18:08:42,610 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3434] [2021-11-13 18:08:42,611 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3435] [2021-11-13 18:08:42,611 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2021-11-13 18:08:42,611 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2021-11-13 18:08:42,612 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2021-11-13 18:08:43,089 WARN L228 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_d0bb4ee4-ebc7-46ff-bbc0-e4d87a07ab34/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i[105316,105329] [2021-11-13 18:08:44,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:08:44,957 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:08:45,062 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___0 * , struct si_sm_io * ) [3397] [2021-11-13 18:08:45,063 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3398] [2021-11-13 18:08:45,063 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3399] [2021-11-13 18:08:45,064 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2021-11-13 18:08:45,064 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2021-11-13 18:08:45,065 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2021-11-13 18:08:45,066 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___1 * , struct si_sm_io * ) [3433] [2021-11-13 18:08:45,066 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3434] [2021-11-13 18:08:45,067 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3435] [2021-11-13 18:08:45,068 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2021-11-13 18:08:45,068 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2021-11-13 18:08:45,068 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2021-11-13 18:08:45,079 WARN L228 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_d0bb4ee4-ebc7-46ff-bbc0-e4d87a07ab34/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i[105316,105329] [2021-11-13 18:08:45,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:08:45,769 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:08:45,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:08:45 WrapperNode [2021-11-13 18:08:45,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:08:45,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:08:45,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:08:45,776 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:08:45,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:08:45" (1/1) ... [2021-11-13 18:08:45,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:08:45" (1/1) ... [2021-11-13 18:08:46,235 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:08:46,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:08:46,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:08:46,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:08:46,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:08:45" (1/1) ... [2021-11-13 18:08:46,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:08:45" (1/1) ... [2021-11-13 18:08:46,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:08:45" (1/1) ... [2021-11-13 18:08:46,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:08:45" (1/1) ... [2021-11-13 18:08:46,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:08:45" (1/1) ... [2021-11-13 18:08:46,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:08:45" (1/1) ... [2021-11-13 18:08:46,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:08:45" (1/1) ... [2021-11-13 18:08:46,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:08:46,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:08:46,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:08:46,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:08:46,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:08:45" (1/1) ... [2021-11-13 18:08:46,819 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:08:46,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb4ee4-ebc7-46ff-bbc0-e4d87a07ab34/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:08:46,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb4ee4-ebc7-46ff-bbc0-e4d87a07ab34/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:08:46,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb4ee4-ebc7-46ff-bbc0-e4d87a07ab34/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:08:46,923 INFO L130 BoogieDeclarations]: Found specification of procedure smic_size [2021-11-13 18:08:46,923 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_size [2021-11-13 18:08:46,924 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-13 18:08:46,924 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-13 18:08:46,924 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2021-11-13 18:08:46,924 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2021-11-13 18:08:46,924 INFO L130 BoogieDeclarations]: Found specification of procedure bt_event [2021-11-13 18:08:46,925 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_event [2021-11-13 18:08:46,925 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2021-11-13 18:08:46,925 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2021-11-13 18:08:46,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 18:08:46,925 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2021-11-13 18:08:46,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2021-11-13 18:08:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 18:08:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-11-13 18:08:46,926 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-11-13 18:08:46,927 INFO L130 BoogieDeclarations]: Found specification of procedure enable_si_irq [2021-11-13 18:08:46,927 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_si_irq [2021-11-13 18:08:46,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 18:08:46,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 18:08:46,928 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_msg_done [2021-11-13 18:08:46,928 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_msg_done [2021-11-13 18:08:46,928 INFO L130 BoogieDeclarations]: Found specification of procedure start_enable_irq [2021-11-13 18:08:46,928 INFO L138 BoogieDeclarations]: Found implementation of procedure start_enable_irq [2021-11-13 18:08:46,929 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-13 18:08:46,929 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-13 18:08:46,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_30 [2021-11-13 18:08:46,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_30 [2021-11-13 18:08:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 18:08:46,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 18:08:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure reset_flags [2021-11-13 18:08:46,931 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_flags [2021-11-13 18:08:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure smic_cleanup [2021-11-13 18:08:46,931 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_cleanup [2021-11-13 18:08:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure clear_obf [2021-11-13 18:08:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_obf [2021-11-13 18:08:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure smi_event_handler [2021-11-13 18:08:46,934 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_event_handler [2021-11-13 18:08:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte___0 [2021-11-13 18:08:46,934 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte___0 [2021-11-13 18:08:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure read_status [2021-11-13 18:08:46,935 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status [2021-11-13 18:08:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure bt_size [2021-11-13 18:08:46,935 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_size [2021-11-13 18:08:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure bt_init_data [2021-11-13 18:08:46,936 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_init_data [2021-11-13 18:08:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_resume [2021-11-13 18:08:46,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_resume [2021-11-13 18:08:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure smic_detect [2021-11-13 18:08:46,938 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_detect [2021-11-13 18:08:46,939 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-13 18:08:46,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-13 18:08:46,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-13 18:08:46,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-13 18:08:46,941 INFO L130 BoogieDeclarations]: Found specification of procedure request_events [2021-11-13 18:08:46,941 INFO L138 BoogieDeclarations]: Found implementation of procedure request_events [2021-11-13 18:08:46,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2021-11-13 18:08:46,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2021-11-13 18:08:46,941 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-13 18:08:46,942 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-13 18:08:46,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 18:08:46,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 18:08:46,942 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-11-13 18:08:46,942 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-11-13 18:08:46,943 INFO L130 BoogieDeclarations]: Found specification of procedure check_hotmod_int_op [2021-11-13 18:08:46,943 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hotmod_int_op [2021-11-13 18:08:46,944 INFO L130 BoogieDeclarations]: Found specification of procedure parse_str [2021-11-13 18:08:46,944 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_str [2021-11-13 18:08:46,945 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 18:08:46,945 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 18:08:46,945 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_detect [2021-11-13 18:08:46,945 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_detect [2021-11-13 18:08:46,945 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_size [2021-11-13 18:08:46,947 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_size [2021-11-13 18:08:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure drain_BMC2HOST [2021-11-13 18:08:46,947 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_BMC2HOST [2021-11-13 18:08:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure error_recovery [2021-11-13 18:08:46,947 INFO L138 BoogieDeclarations]: Found implementation of procedure error_recovery [2021-11-13 18:08:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_status [2021-11-13 18:08:46,948 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_status [2021-11-13 18:08:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure disable_si_irq [2021-11-13 18:08:46,948 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_si_irq [2021-11-13 18:08:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery [2021-11-13 18:08:46,949 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery [2021-11-13 18:08:46,949 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_event [2021-11-13 18:08:46,949 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_event [2021-11-13 18:08:46,949 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte [2021-11-13 18:08:46,949 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte [2021-11-13 18:08:46,950 INFO L130 BoogieDeclarations]: Found specification of procedure start_smic_transaction [2021-11-13 18:08:46,950 INFO L138 BoogieDeclarations]: Found implementation of procedure start_smic_transaction [2021-11-13 18:08:46,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2021-11-13 18:08:46,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2021-11-13 18:08:46,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:08:46,951 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-13 18:08:46,952 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-13 18:08:46,954 INFO L130 BoogieDeclarations]: Found specification of procedure state2txt [2021-11-13 18:08:46,957 INFO L138 BoogieDeclarations]: Found implementation of procedure state2txt [2021-11-13 18:08:46,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 18:08:46,958 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_unregister_smi [2021-11-13 18:08:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_unregister_smi [2021-11-13 18:08:46,959 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-13 18:08:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-13 18:08:46,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_38 [2021-11-13 18:08:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_38 [2021-11-13 18:08:46,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 18:08:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 18:08:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2021-11-13 18:08:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2021-11-13 18:08:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-13 18:08:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-13 18:08:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2021-11-13 18:08:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2021-11-13 18:08:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-13 18:08:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-13 18:08:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:08:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 18:08:46,970 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2021-11-13 18:08:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2021-11-13 18:08:46,970 INFO L130 BoogieDeclarations]: Found specification of procedure start_next_msg [2021-11-13 18:08:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure start_next_msg [2021-11-13 18:08:46,970 INFO L130 BoogieDeclarations]: Found specification of procedure init_smic_data [2021-11-13 18:08:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure init_smic_data [2021-11-13 18:08:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-13 18:08:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-13 18:08:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-13 18:08:46,972 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_cleanup [2021-11-13 18:08:46,972 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_cleanup [2021-11-13 18:08:46,972 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-13 18:08:46,972 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-13 18:08:46,972 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery___0 [2021-11-13 18:08:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery___0 [2021-11-13 18:08:46,973 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2021-11-13 18:08:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2021-11-13 18:08:46,973 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd [2021-11-13 18:08:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd [2021-11-13 18:08:46,973 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-13 18:08:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-13 18:08:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure bt_get_result [2021-11-13 18:08:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_get_result [2021-11-13 18:08:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_one_si [2021-11-13 18:08:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_one_si [2021-11-13 18:08:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure smic_get_result [2021-11-13 18:08:46,975 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_get_result [2021-11-13 18:08:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_remove [2021-11-13 18:08:46,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_remove [2021-11-13 18:08:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-13 18:08:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-13 18:08:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-13 18:08:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure check_obf [2021-11-13 18:08:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure check_obf [2021-11-13 18:08:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_add_proc_entry [2021-11-13 18:08:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_add_proc_entry [2021-11-13 18:08:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-11-13 18:08:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-11-13 18:08:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-13 18:08:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-13 18:08:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-13 18:08:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-13 18:08:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2021-11-13 18:08:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2021-11-13 18:08:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-13 18:08:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-13 18:08:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-13 18:08:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2021-11-13 18:08:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2021-11-13 18:08:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2021-11-13 18:08:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2021-11-13 18:08:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure get_kcs_result [2021-11-13 18:08:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure get_kcs_result [2021-11-13 18:08:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:08:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_probe [2021-11-13 18:08:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_probe [2021-11-13 18:08:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_timer_and_thread [2021-11-13 18:08:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_timer_and_thread [2021-11-13 18:08:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-13 18:08:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-13 18:08:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure bt_detect [2021-11-13 18:08:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_detect [2021-11-13 18:08:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2021-11-13 18:08:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2021-11-13 18:08:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 18:08:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 18:08:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2021-11-13 18:08:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2021-11-13 18:08:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-11-13 18:08:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-11-13 18:08:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_init [2021-11-13 18:08:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_init [2021-11-13 18:08:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure try_smi_init [2021-11-13 18:08:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure try_smi_init [2021-11-13 18:08:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure add_smi [2021-11-13 18:08:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure add_smi [2021-11-13 18:08:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure force_result [2021-11-13 18:08:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure force_result [2021-11-13 18:08:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-13 18:08:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-13 18:08:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 18:08:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 18:08:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_recv_msg [2021-11-13 18:08:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_recv_msg [2021-11-13 18:08:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure status2txt [2021-11-13 18:08:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure status2txt [2021-11-13 18:08:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_flags [2021-11-13 18:08:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_flags [2021-11-13 18:08:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-13 18:08:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-13 18:08:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:08:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure bt_start_transaction [2021-11-13 18:08:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_start_transaction [2021-11-13 18:08:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure start_kcs_transaction [2021-11-13 18:08:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure start_kcs_transaction [2021-11-13 18:08:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 18:08:46,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 18:08:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_data [2021-11-13 18:08:46,988 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_data [2021-11-13 18:08:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure handle_flags [2021-11-13 18:08:46,988 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_flags [2021-11-13 18:08:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure start_clear_flags [2021-11-13 18:08:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure start_clear_flags [2021-11-13 18:08:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2021-11-13 18:08:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2021-11-13 18:08:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 18:08:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure bt_cleanup [2021-11-13 18:08:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_cleanup [2021-11-13 18:08:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_thread [2021-11-13 18:08:46,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_thread [2021-11-13 18:08:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2021-11-13 18:08:46,996 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2021-11-13 18:08:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-13 18:08:46,996 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-13 18:08:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte [2021-11-13 18:08:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte [2021-11-13 18:08:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure poll [2021-11-13 18:08:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure poll [2021-11-13 18:08:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 18:08:47,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 18:08:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_si_set_not_busy [2021-11-13 18:08:47,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_si_set_not_busy [2021-11-13 18:08:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 18:08:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-13 18:08:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-13 18:08:47,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-13 18:08:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 18:08:47,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 18:08:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-11-13 18:08:47,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-11-13 18:08:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_flags [2021-11-13 18:08:47,003 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_flags [2021-11-13 18:08:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-13 18:08:47,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-13 18:08:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2021-11-13 18:08:47,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2021-11-13 18:08:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_control [2021-11-13 18:08:47,004 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_control [2021-11-13 18:08:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-13 18:08:47,005 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-13 18:08:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure return_hosed_msg [2021-11-13 18:08:47,005 INFO L138 BoogieDeclarations]: Found implementation of procedure return_hosed_msg [2021-11-13 18:08:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_remove [2021-11-13 18:08:47,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_remove [2021-11-13 18:08:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_probe [2021-11-13 18:08:47,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_probe [2021-11-13 18:08:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte___0 [2021-11-13 18:08:47,006 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte___0 [2021-11-13 18:08:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure read_all_bytes [2021-11-13 18:08:47,006 INFO L138 BoogieDeclarations]: Found implementation of procedure read_all_bytes [2021-11-13 18:08:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure init_kcs_data [2021-11-13 18:08:47,007 INFO L138 BoogieDeclarations]: Found implementation of procedure init_kcs_data [2021-11-13 18:08:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure si_irq_handler [2021-11-13 18:08:47,007 INFO L138 BoogieDeclarations]: Found implementation of procedure si_irq_handler [2021-11-13 18:08:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-13 18:08:47,007 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-13 18:08:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure smic_event [2021-11-13 18:08:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_event [2021-11-13 18:08:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:08:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-13 18:08:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-13 18:08:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-13 18:08:47,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-13 18:08:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-11-13 18:08:47,009 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-11-13 18:08:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure handle_transaction_done [2021-11-13 18:08:47,009 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_transaction_done [2021-11-13 18:08:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:08:47,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:08:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-13 18:08:47,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-13 18:08:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-13 18:08:47,011 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-13 18:08:49,300 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 18:09:09,212 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:09:09,213 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 18:09:09,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:09:09 BoogieIcfgContainer [2021-11-13 18:09:09,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:09:09,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:09:09,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:09:09,234 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:09:09,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:08:41" (1/3) ... [2021-11-13 18:09:09,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5083ac97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:09:09, skipping insertion in model container [2021-11-13 18:09:09,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:08:45" (2/3) ... [2021-11-13 18:09:09,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5083ac97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:09:09, skipping insertion in model container [2021-11-13 18:09:09,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:09:09" (3/3) ... [2021-11-13 18:09:09,237 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2021-11-13 18:09:09,259 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:09:09,259 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 18:09:09,360 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:09:09,368 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 [2021-11-13 18:09:09,368 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 18:09:09,472 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) [2021-11-13 18:09:09,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-13 18:09:09,493 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:09:09,494 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] [2021-11-13 18:09:09,495 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:09:09,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:09:09,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1611012063, now seen corresponding path program 1 times [2021-11-13 18:09:09,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:09:09,516 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181028450] [2021-11-13 18:09:09,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:09:09,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:09:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:10,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:09:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:10,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 18:09:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:11,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:09:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:11,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 18:09:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:11,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-13 18:09:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:11,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-13 18:09:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:11,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-13 18:09:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:11,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-13 18:09:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:11,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 18:09:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:11,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-13 18:09:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:11,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-13 18:09:11,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:11,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-13 18:09:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:11,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-13 18:09:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:11,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:09:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:11,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-13 18:09:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:11,411 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-13 18:09:11,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:09:11,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181028450] [2021-11-13 18:09:11,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181028450] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:09:11,413 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:09:11,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-13 18:09:11,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873948641] [2021-11-13 18:09:11,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:09:11,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 18:09:11,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:09:11,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 18:09:11,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:09:11,470 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) [2021-11-13 18:09:13,604 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:15,727 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:17,868 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:15,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:10:15,772 INFO L93 Difference]: Finished difference Result 17082 states and 29031 transitions. [2021-11-13 18:10:15,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 18:10:15,779 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 [2021-11-13 18:10:15,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:10:15,968 INFO L225 Difference]: With dead ends: 17082 [2021-11-13 18:10:15,968 INFO L226 Difference]: Without dead ends: 14337 [2021-11-13 18:10:16,031 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2021-11-13 18:10:16,035 INFO L933 BasicCegarLoop]: 6303 mSDtfsCounter, 23473 mSDsluCounter, 14095 mSDsCounter, 0 mSdLazyCounter, 16207 mSolverCounterSat, 14469 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55911.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 24734 SdHoareTripleChecker+Valid, 20398 SdHoareTripleChecker+Invalid, 30679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 366.57ms SdHoareTripleChecker+Time, 14469 IncrementalHoareTripleChecker+Valid, 16207 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61794.34ms IncrementalHoareTripleChecker+Time [2021-11-13 18:10:16,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24734 Valid, 20398 Invalid, 30679 Unknown, 0 Unchecked, 366.57ms Time], IncrementalHoareTripleChecker [14469 Valid, 16207 Invalid, 3 Unknown, 0 Unchecked, 61794.34ms Time] [2021-11-13 18:10:16,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14337 states. [2021-11-13 18:10:17,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14337 to 11662. [2021-11-13 18:10:17,193 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) [2021-11-13 18:10:17,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11662 states to 11662 states and 18306 transitions. [2021-11-13 18:10:17,330 INFO L78 Accepts]: Start accepts. Automaton has 11662 states and 18306 transitions. Word has length 107 [2021-11-13 18:10:17,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:10:17,333 INFO L470 AbstractCegarLoop]: Abstraction has 11662 states and 18306 transitions. [2021-11-13 18:10:17,334 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) [2021-11-13 18:10:17,334 INFO L276 IsEmpty]: Start isEmpty. Operand 11662 states and 18306 transitions. [2021-11-13 18:10:17,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-13 18:10:17,346 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:10:17,347 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:10:17,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:10:17,347 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:10:17,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:10:17,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1130693809, now seen corresponding path program 1 times [2021-11-13 18:10:17,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:10:17,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580469644] [2021-11-13 18:10:17,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:10:17,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:10:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:17,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:10:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:17,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 18:10:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:17,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:10:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:17,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 18:10:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:18,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-13 18:10:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:18,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-13 18:10:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:18,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-13 18:10:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:18,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-13 18:10:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:18,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 18:10:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:18,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-13 18:10:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:18,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-13 18:10:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:18,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-13 18:10:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:18,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-13 18:10:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:18,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:10:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:18,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-13 18:10:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:10:18,306 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-13 18:10:18,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:10:18,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580469644] [2021-11-13 18:10:18,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580469644] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:10:18,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:10:18,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-13 18:10:18,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315620585] [2021-11-13 18:10:18,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:10:18,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 18:10:18,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:10:18,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 18:10:18,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:10:18,315 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) [2021-11-13 18:10:20,411 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:22,512 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:24,619 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:26,724 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:11:27,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:11:27,564 INFO L93 Difference]: Finished difference Result 68790 states and 121354 transitions. [2021-11-13 18:11:27,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 18:11:27,565 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 [2021-11-13 18:11:27,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:11:28,314 INFO L225 Difference]: With dead ends: 68790 [2021-11-13 18:11:28,315 INFO L226 Difference]: Without dead ends: 57162 [2021-11-13 18:11:28,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2021-11-13 18:11:28,573 INFO L933 BasicCegarLoop]: 6138 mSDtfsCounter, 19307 mSDsluCounter, 17818 mSDsCounter, 0 mSdLazyCounter, 21604 mSolverCounterSat, 10706 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59937.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20568 SdHoareTripleChecker+Valid, 23956 SdHoareTripleChecker+Invalid, 32314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 283.10ms SdHoareTripleChecker+Time, 10706 IncrementalHoareTripleChecker+Valid, 21604 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65868.44ms IncrementalHoareTripleChecker+Time [2021-11-13 18:11:28,574 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20568 Valid, 23956 Invalid, 32314 Unknown, 0 Unchecked, 283.10ms Time], IncrementalHoareTripleChecker [10706 Valid, 21604 Invalid, 4 Unknown, 0 Unchecked, 65868.44ms Time] [2021-11-13 18:11:28,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57162 states. [2021-11-13 18:11:31,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57162 to 48683. [2021-11-13 18:11:31,902 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) [2021-11-13 18:11:32,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48683 states to 48683 states and 81685 transitions. [2021-11-13 18:11:32,402 INFO L78 Accepts]: Start accepts. Automaton has 48683 states and 81685 transitions. Word has length 108 [2021-11-13 18:11:32,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:11:32,403 INFO L470 AbstractCegarLoop]: Abstraction has 48683 states and 81685 transitions. [2021-11-13 18:11:32,404 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) [2021-11-13 18:11:32,404 INFO L276 IsEmpty]: Start isEmpty. Operand 48683 states and 81685 transitions. [2021-11-13 18:11:32,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-13 18:11:32,407 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:11:32,407 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] [2021-11-13 18:11:32,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:11:32,408 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:11:32,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:11:32,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1216630697, now seen corresponding path program 1 times [2021-11-13 18:11:32,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:11:32,409 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302648176] [2021-11-13 18:11:32,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:11:32,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:11:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:32,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:11:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:32,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 18:11:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:32,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:11:32,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:32,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 18:11:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:32,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-13 18:11:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:32,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-13 18:11:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:32,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-13 18:11:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:32,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-13 18:11:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:32,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 18:11:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:33,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-13 18:11:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:33,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-13 18:11:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:33,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-13 18:11:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:33,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-13 18:11:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:33,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:11:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:33,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-13 18:11:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:33,594 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-13 18:11:33,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:11:33,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302648176] [2021-11-13 18:11:33,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302648176] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:11:33,595 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:11:33,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-13 18:11:33,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568483811] [2021-11-13 18:11:33,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:11:33,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 18:11:33,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:11:33,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 18:11:33,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:11:33,614 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) [2021-11-13 18:11:36,024 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:11:38,117 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:11:40,228 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:11:42,327 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:12:39,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:12:39,733 INFO L93 Difference]: Finished difference Result 277075 states and 557595 transitions. [2021-11-13 18:12:39,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 18:12:39,734 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 [2021-11-13 18:12:39,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:12:43,356 INFO L225 Difference]: With dead ends: 277075 [2021-11-13 18:12:43,356 INFO L226 Difference]: Without dead ends: 228426 [2021-11-13 18:12:44,940 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2021-11-13 18:12:44,944 INFO L933 BasicCegarLoop]: 6022 mSDtfsCounter, 22564 mSDsluCounter, 15357 mSDsCounter, 0 mSdLazyCounter, 19201 mSolverCounterSat, 12632 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47590.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 23825 SdHoareTripleChecker+Valid, 21379 SdHoareTripleChecker+Invalid, 31837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 259.35ms SdHoareTripleChecker+Time, 12632 IncrementalHoareTripleChecker+Valid, 19201 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53008.56ms IncrementalHoareTripleChecker+Time [2021-11-13 18:12:44,945 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23825 Valid, 21379 Invalid, 31837 Unknown, 0 Unchecked, 259.35ms Time], IncrementalHoareTripleChecker [12632 Valid, 19201 Invalid, 4 Unknown, 0 Unchecked, 53008.56ms Time] [2021-11-13 18:12:45,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228426 states. [2021-11-13 18:13:00,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228426 to 198505. [2021-11-13 18:13:00,953 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) [2021-11-13 18:13:05,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198505 states to 198505 states and 374252 transitions. [2021-11-13 18:13:05,158 INFO L78 Accepts]: Start accepts. Automaton has 198505 states and 374252 transitions. Word has length 109 [2021-11-13 18:13:05,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:13:05,159 INFO L470 AbstractCegarLoop]: Abstraction has 198505 states and 374252 transitions. [2021-11-13 18:13:05,159 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) [2021-11-13 18:13:05,159 INFO L276 IsEmpty]: Start isEmpty. Operand 198505 states and 374252 transitions. [2021-11-13 18:13:05,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-13 18:13:05,162 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:13:05,162 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] [2021-11-13 18:13:05,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:13:05,163 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:13:05,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:13:05,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1311606871, now seen corresponding path program 1 times [2021-11-13 18:13:05,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:13:05,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538786033] [2021-11-13 18:13:05,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:13:05,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:13:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:13:05,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:13:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:13:05,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 18:13:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:13:06,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:13:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:13:06,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 18:13:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:13:06,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-13 18:13:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:13:06,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-13 18:13:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:13:06,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-13 18:13:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:13:06,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-13 18:13:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:13:06,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 18:13:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:13:06,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-13 18:13:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:13:06,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-13 18:13:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:13:06,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-13 18:13:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:13:06,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-13 18:13:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:13:06,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:13:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:13:06,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-13 18:13:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:13:06,292 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-13 18:13:06,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:13:06,293 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538786033] [2021-11-13 18:13:06,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538786033] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:13:06,293 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:13:06,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-13 18:13:06,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040689303] [2021-11-13 18:13:06,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:13:06,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 18:13:06,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:13:06,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 18:13:06,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:13:06,295 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) [2021-11-13 18:13:08,397 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:13:10,509 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:13:12,633 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []