./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 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202f93a7-aabb-43d5-97e0-ca23d1803975/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202f93a7-aabb-43d5-97e0-ca23d1803975/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202f93a7-aabb-43d5-97e0-ca23d1803975/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202f93a7-aabb-43d5-97e0-ca23d1803975/bin/uautomizer-TMbwUNV5ro/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_202f93a7-aabb-43d5-97e0-ca23d1803975/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202f93a7-aabb-43d5-97e0-ca23d1803975/bin/uautomizer-TMbwUNV5ro --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 21:02:56,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:02:56,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:02:56,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:02:56,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:02:56,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:02:56,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:02:56,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:02:56,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:02:56,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:02:56,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:02:56,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:02:56,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:02:56,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:02:56,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:02:56,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:02:56,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:02:56,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:02:56,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:02:56,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:02:56,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:02:56,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:02:56,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:02:56,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:02:56,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:02:56,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:02:56,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:02:56,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:02:56,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:02:56,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:02:56,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:02:56,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:02:56,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:02:56,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:02:56,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:02:56,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:02:56,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:02:56,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:02:56,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:02:56,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:02:56,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:02:56,187 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202f93a7-aabb-43d5-97e0-ca23d1803975/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 21:02:56,231 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:02:56,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:02:56,232 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:02:56,233 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:02:56,234 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 21:02:56,234 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 21:02:56,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:02:56,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:02:56,236 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:02:56,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:02:56,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 21:02:56,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:02:56,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 21:02:56,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 21:02:56,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 21:02:56,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:02:56,239 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:02:56,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 21:02:56,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:02:56,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:02:56,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 21:02:56,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:02:56,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:02:56,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 21:02:56,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 21:02:56,241 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 21:02:56,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 21:02:56,244 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 21:02:56,244 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 21:02:56,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 21:02:56,244 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_202f93a7-aabb-43d5-97e0-ca23d1803975/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202f93a7-aabb-43d5-97e0-ca23d1803975/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 [2022-11-18 21:02:56,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:02:56,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:02:56,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:02:56,714 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:02:56,715 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:02:56,716 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202f93a7-aabb-43d5-97e0-ca23d1803975/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2022-11-18 21:02:56,796 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202f93a7-aabb-43d5-97e0-ca23d1803975/bin/uautomizer-TMbwUNV5ro/data/ccf8a58be/c8bbc6de5c7a4b6a8b22ce30a51810b5/FLAG8222f0313 [2022-11-18 21:02:57,998 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:02:57,999 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202f93a7-aabb-43d5-97e0-ca23d1803975/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2022-11-18 21:02:58,102 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202f93a7-aabb-43d5-97e0-ca23d1803975/bin/uautomizer-TMbwUNV5ro/data/ccf8a58be/c8bbc6de5c7a4b6a8b22ce30a51810b5/FLAG8222f0313 [2022-11-18 21:02:58,240 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202f93a7-aabb-43d5-97e0-ca23d1803975/bin/uautomizer-TMbwUNV5ro/data/ccf8a58be/c8bbc6de5c7a4b6a8b22ce30a51810b5 [2022-11-18 21:02:58,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:02:58,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:02:58,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:02:58,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:02:58,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:02:58,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:02:58" (1/1) ... [2022-11-18 21:02:58,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45c8b8e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:58, skipping insertion in model container [2022-11-18 21:02:58,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:02:58" (1/1) ... [2022-11-18 21:02:58,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:02:58,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:02:58,995 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___0 * , struct si_sm_io * ) [3397] [2022-11-18 21:02:58,996 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3398] [2022-11-18 21:02:58,997 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3399] [2022-11-18 21:02:58,997 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-11-18 21:02:58,998 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-11-18 21:02:58,998 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-11-18 21:02:59,000 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___1 * , struct si_sm_io * ) [3433] [2022-11-18 21:02:59,000 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3434] [2022-11-18 21:02:59,001 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3435] [2022-11-18 21:02:59,001 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-11-18 21:02:59,001 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-11-18 21:02:59,002 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-11-18 21:02:59,598 WARN L234 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_202f93a7-aabb-43d5-97e0-ca23d1803975/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] [2022-11-18 21:03:01,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:03:01,596 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:03:01,730 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___0 * , struct si_sm_io * ) [3397] [2022-11-18 21:03:01,731 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3398] [2022-11-18 21:03:01,731 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3399] [2022-11-18 21:03:01,732 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-11-18 21:03:01,732 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-11-18 21:03:01,733 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-11-18 21:03:01,734 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___1 * , struct si_sm_io * ) [3433] [2022-11-18 21:03:01,734 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3434] [2022-11-18 21:03:01,735 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3435] [2022-11-18 21:03:01,735 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-11-18 21:03:01,735 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-11-18 21:03:01,736 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-11-18 21:03:01,750 WARN L234 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_202f93a7-aabb-43d5-97e0-ca23d1803975/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] [2022-11-18 21:03:02,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:03:02,546 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:03:02,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:02 WrapperNode [2022-11-18 21:03:02,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:03:02,550 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:03:02,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:03:02,552 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:03:02,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:02" (1/1) ... [2022-11-18 21:03:02,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:02" (1/1) ... [2022-11-18 21:03:03,090 INFO L138 Inliner]: procedures = 348, calls = 3372, calls flagged for inlining = 148, calls inlined = 148, statements flattened = 6847 [2022-11-18 21:03:03,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:03:03,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:03:03,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:03:03,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:03:03,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:02" (1/1) ... [2022-11-18 21:03:03,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:02" (1/1) ... [2022-11-18 21:03:03,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:02" (1/1) ... [2022-11-18 21:03:03,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:02" (1/1) ... [2022-11-18 21:03:03,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:02" (1/1) ... [2022-11-18 21:03:03,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:02" (1/1) ... [2022-11-18 21:03:03,547 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:02" (1/1) ... [2022-11-18 21:03:03,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:02" (1/1) ... [2022-11-18 21:03:03,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:03:03,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:03:03,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:03:03,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:03:03,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:02" (1/1) ... [2022-11-18 21:03:03,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:03:03,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202f93a7-aabb-43d5-97e0-ca23d1803975/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:03:03,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202f93a7-aabb-43d5-97e0-ca23d1803975/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 21:03:03,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202f93a7-aabb-43d5-97e0-ca23d1803975/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 21:03:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure smic_size [2022-11-18 21:03:03,754 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_size [2022-11-18 21:03:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-18 21:03:03,755 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-18 21:03:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2022-11-18 21:03:03,755 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2022-11-18 21:03:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure bt_event [2022-11-18 21:03:03,756 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_event [2022-11-18 21:03:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-11-18 21:03:03,756 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-11-18 21:03:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 21:03:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2022-11-18 21:03:03,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2022-11-18 21:03:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 21:03:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-18 21:03:03,757 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-18 21:03:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure enable_si_irq [2022-11-18 21:03:03,758 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_si_irq [2022-11-18 21:03:03,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 21:03:03,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 21:03:03,758 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_msg_done [2022-11-18 21:03:03,759 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_msg_done [2022-11-18 21:03:03,759 INFO L130 BoogieDeclarations]: Found specification of procedure start_enable_irq [2022-11-18 21:03:03,759 INFO L138 BoogieDeclarations]: Found implementation of procedure start_enable_irq [2022-11-18 21:03:03,759 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-18 21:03:03,760 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-18 21:03:03,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_30 [2022-11-18 21:03:03,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_30 [2022-11-18 21:03:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 21:03:03,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 21:03:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure reset_flags [2022-11-18 21:03:03,762 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_flags [2022-11-18 21:03:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure smic_cleanup [2022-11-18 21:03:03,764 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_cleanup [2022-11-18 21:03:03,765 INFO L130 BoogieDeclarations]: Found specification of procedure clear_obf [2022-11-18 21:03:03,765 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_obf [2022-11-18 21:03:03,765 INFO L130 BoogieDeclarations]: Found specification of procedure smi_event_handler [2022-11-18 21:03:03,765 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_event_handler [2022-11-18 21:03:03,765 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte___0 [2022-11-18 21:03:03,766 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte___0 [2022-11-18 21:03:03,766 INFO L130 BoogieDeclarations]: Found specification of procedure read_status [2022-11-18 21:03:03,766 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status [2022-11-18 21:03:03,766 INFO L130 BoogieDeclarations]: Found specification of procedure bt_size [2022-11-18 21:03:03,767 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_size [2022-11-18 21:03:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure bt_init_data [2022-11-18 21:03:03,768 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_init_data [2022-11-18 21:03:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_resume [2022-11-18 21:03:03,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_resume [2022-11-18 21:03:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure smic_detect [2022-11-18 21:03:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_detect [2022-11-18 21:03:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 21:03:03,771 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 21:03:03,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 21:03:03,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 21:03:03,771 INFO L130 BoogieDeclarations]: Found specification of procedure request_events [2022-11-18 21:03:03,771 INFO L138 BoogieDeclarations]: Found implementation of procedure request_events [2022-11-18 21:03:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2022-11-18 21:03:03,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2022-11-18 21:03:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-18 21:03:03,773 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-18 21:03:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 21:03:03,773 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 21:03:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-11-18 21:03:03,773 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-11-18 21:03:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure check_hotmod_int_op [2022-11-18 21:03:03,774 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hotmod_int_op [2022-11-18 21:03:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure parse_str [2022-11-18 21:03:03,775 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_str [2022-11-18 21:03:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 21:03:03,776 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 21:03:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_detect [2022-11-18 21:03:03,776 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_detect [2022-11-18 21:03:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_size [2022-11-18 21:03:03,778 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_size [2022-11-18 21:03:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure drain_BMC2HOST [2022-11-18 21:03:03,778 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_BMC2HOST [2022-11-18 21:03:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure error_recovery [2022-11-18 21:03:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure error_recovery [2022-11-18 21:03:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_status [2022-11-18 21:03:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_status [2022-11-18 21:03:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure disable_si_irq [2022-11-18 21:03:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_si_irq [2022-11-18 21:03:03,780 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery [2022-11-18 21:03:03,780 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery [2022-11-18 21:03:03,780 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_event [2022-11-18 21:03:03,780 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_event [2022-11-18 21:03:03,780 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte [2022-11-18 21:03:03,781 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte [2022-11-18 21:03:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure start_smic_transaction [2022-11-18 21:03:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure start_smic_transaction [2022-11-18 21:03:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-11-18 21:03:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-11-18 21:03:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 21:03:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 21:03:03,785 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 21:03:03,789 INFO L130 BoogieDeclarations]: Found specification of procedure state2txt [2022-11-18 21:03:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure state2txt [2022-11-18 21:03:03,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 21:03:03,790 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_unregister_smi [2022-11-18 21:03:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_unregister_smi [2022-11-18 21:03:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-18 21:03:03,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-18 21:03:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_38 [2022-11-18 21:03:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_38 [2022-11-18 21:03:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 21:03:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 21:03:03,802 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2022-11-18 21:03:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2022-11-18 21:03:03,802 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 21:03:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 21:03:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2022-11-18 21:03:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2022-11-18 21:03:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-18 21:03:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-18 21:03:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 21:03:03,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 21:03:03,804 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2022-11-18 21:03:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2022-11-18 21:03:03,804 INFO L130 BoogieDeclarations]: Found specification of procedure start_next_msg [2022-11-18 21:03:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure start_next_msg [2022-11-18 21:03:03,804 INFO L130 BoogieDeclarations]: Found specification of procedure init_smic_data [2022-11-18 21:03:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure init_smic_data [2022-11-18 21:03:03,805 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-11-18 21:03:03,805 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-18 21:03:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-18 21:03:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_cleanup [2022-11-18 21:03:03,806 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_cleanup [2022-11-18 21:03:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-18 21:03:03,806 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-18 21:03:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery___0 [2022-11-18 21:03:03,807 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery___0 [2022-11-18 21:03:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2022-11-18 21:03:03,807 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2022-11-18 21:03:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd [2022-11-18 21:03:03,807 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd [2022-11-18 21:03:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 21:03:03,808 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 21:03:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure bt_get_result [2022-11-18 21:03:03,808 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_get_result [2022-11-18 21:03:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_one_si [2022-11-18 21:03:03,808 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_one_si [2022-11-18 21:03:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure smic_get_result [2022-11-18 21:03:03,809 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_get_result [2022-11-18 21:03:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_remove [2022-11-18 21:03:03,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_remove [2022-11-18 21:03:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 21:03:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-18 21:03:03,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-18 21:03:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure check_obf [2022-11-18 21:03:03,810 INFO L138 BoogieDeclarations]: Found implementation of procedure check_obf [2022-11-18 21:03:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_add_proc_entry [2022-11-18 21:03:03,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_add_proc_entry [2022-11-18 21:03:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-18 21:03:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-18 21:03:03,811 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-18 21:03:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-18 21:03:03,811 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-18 21:03:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-18 21:03:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2022-11-18 21:03:03,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2022-11-18 21:03:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-18 21:03:03,812 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-18 21:03:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 21:03:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2022-11-18 21:03:03,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2022-11-18 21:03:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-11-18 21:03:03,813 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-11-18 21:03:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure get_kcs_result [2022-11-18 21:03:03,813 INFO L138 BoogieDeclarations]: Found implementation of procedure get_kcs_result [2022-11-18 21:03:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 21:03:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_probe [2022-11-18 21:03:03,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_probe [2022-11-18 21:03:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_timer_and_thread [2022-11-18 21:03:03,814 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_timer_and_thread [2022-11-18 21:03:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-18 21:03:03,815 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-18 21:03:03,815 INFO L130 BoogieDeclarations]: Found specification of procedure bt_detect [2022-11-18 21:03:03,815 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_detect [2022-11-18 21:03:03,815 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2022-11-18 21:03:03,815 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2022-11-18 21:03:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 21:03:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 21:03:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-11-18 21:03:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-11-18 21:03:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-11-18 21:03:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-11-18 21:03:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_init [2022-11-18 21:03:03,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_init [2022-11-18 21:03:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure try_smi_init [2022-11-18 21:03:03,817 INFO L138 BoogieDeclarations]: Found implementation of procedure try_smi_init [2022-11-18 21:03:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure add_smi [2022-11-18 21:03:03,818 INFO L138 BoogieDeclarations]: Found implementation of procedure add_smi [2022-11-18 21:03:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure force_result [2022-11-18 21:03:03,818 INFO L138 BoogieDeclarations]: Found implementation of procedure force_result [2022-11-18 21:03:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-18 21:03:03,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-18 21:03:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 21:03:03,819 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 21:03:03,819 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_recv_msg [2022-11-18 21:03:03,819 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_recv_msg [2022-11-18 21:03:03,819 INFO L130 BoogieDeclarations]: Found specification of procedure status2txt [2022-11-18 21:03:03,819 INFO L138 BoogieDeclarations]: Found implementation of procedure status2txt [2022-11-18 21:03:03,819 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_flags [2022-11-18 21:03:03,820 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_flags [2022-11-18 21:03:03,820 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-18 21:03:03,820 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-18 21:03:03,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 21:03:03,820 INFO L130 BoogieDeclarations]: Found specification of procedure bt_start_transaction [2022-11-18 21:03:03,821 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_start_transaction [2022-11-18 21:03:03,821 INFO L130 BoogieDeclarations]: Found specification of procedure start_kcs_transaction [2022-11-18 21:03:03,821 INFO L138 BoogieDeclarations]: Found implementation of procedure start_kcs_transaction [2022-11-18 21:03:03,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 21:03:03,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 21:03:03,821 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_data [2022-11-18 21:03:03,822 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_data [2022-11-18 21:03:03,822 INFO L130 BoogieDeclarations]: Found specification of procedure handle_flags [2022-11-18 21:03:03,822 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_flags [2022-11-18 21:03:03,822 INFO L130 BoogieDeclarations]: Found specification of procedure start_clear_flags [2022-11-18 21:03:03,822 INFO L138 BoogieDeclarations]: Found implementation of procedure start_clear_flags [2022-11-18 21:03:03,822 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2022-11-18 21:03:03,823 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2022-11-18 21:03:03,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 21:03:03,830 INFO L130 BoogieDeclarations]: Found specification of procedure bt_cleanup [2022-11-18 21:03:03,830 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_cleanup [2022-11-18 21:03:03,830 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_thread [2022-11-18 21:03:03,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_thread [2022-11-18 21:03:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-11-18 21:03:03,831 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-11-18 21:03:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 21:03:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-18 21:03:03,831 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-18 21:03:03,832 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte [2022-11-18 21:03:03,838 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte [2022-11-18 21:03:03,838 INFO L130 BoogieDeclarations]: Found specification of procedure poll [2022-11-18 21:03:03,838 INFO L138 BoogieDeclarations]: Found implementation of procedure poll [2022-11-18 21:03:03,839 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-18 21:03:03,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-18 21:03:03,839 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_si_set_not_busy [2022-11-18 21:03:03,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_si_set_not_busy [2022-11-18 21:03:03,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 21:03:03,839 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 21:03:03,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-18 21:03:03,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-18 21:03:03,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 21:03:03,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 21:03:03,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-11-18 21:03:03,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-11-18 21:03:03,841 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_flags [2022-11-18 21:03:03,841 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_flags [2022-11-18 21:03:03,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-18 21:03:03,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-18 21:03:03,841 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2022-11-18 21:03:03,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2022-11-18 21:03:03,841 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_control [2022-11-18 21:03:03,842 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_control [2022-11-18 21:03:03,842 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-18 21:03:03,842 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-18 21:03:03,842 INFO L130 BoogieDeclarations]: Found specification of procedure return_hosed_msg [2022-11-18 21:03:03,842 INFO L138 BoogieDeclarations]: Found implementation of procedure return_hosed_msg [2022-11-18 21:03:03,842 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_remove [2022-11-18 21:03:03,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_remove [2022-11-18 21:03:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_probe [2022-11-18 21:03:03,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_probe [2022-11-18 21:03:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte___0 [2022-11-18 21:03:03,843 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte___0 [2022-11-18 21:03:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure read_all_bytes [2022-11-18 21:03:03,844 INFO L138 BoogieDeclarations]: Found implementation of procedure read_all_bytes [2022-11-18 21:03:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure init_kcs_data [2022-11-18 21:03:03,844 INFO L138 BoogieDeclarations]: Found implementation of procedure init_kcs_data [2022-11-18 21:03:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure si_irq_handler [2022-11-18 21:03:03,844 INFO L138 BoogieDeclarations]: Found implementation of procedure si_irq_handler [2022-11-18 21:03:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 21:03:03,845 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 21:03:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure smic_event [2022-11-18 21:03:03,845 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_event [2022-11-18 21:03:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 21:03:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-18 21:03:03,845 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-18 21:03:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-18 21:03:03,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-18 21:03:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-11-18 21:03:03,846 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-11-18 21:03:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure handle_transaction_done [2022-11-18 21:03:03,846 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_transaction_done [2022-11-18 21:03:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:03:03,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:03:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-11-18 21:03:03,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-11-18 21:03:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-18 21:03:03,847 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-18 21:03:05,200 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:03:05,204 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:03:06,130 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 21:03:14,426 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:03:14,458 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:03:14,458 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 21:03:14,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:03:14 BoogieIcfgContainer [2022-11-18 21:03:14,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:03:14,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 21:03:14,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 21:03:14,468 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 21:03:14,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:02:58" (1/3) ... [2022-11-18 21:03:14,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb0b1dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:03:14, skipping insertion in model container [2022-11-18 21:03:14,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:03:02" (2/3) ... [2022-11-18 21:03:14,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb0b1dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:03:14, skipping insertion in model container [2022-11-18 21:03:14,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:03:14" (3/3) ... [2022-11-18 21:03:14,471 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2022-11-18 21:03:14,499 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 21:03:14,499 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 21:03:14,621 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 21:03:14,631 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@76b2dea8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 21:03:14,631 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 21:03:14,643 INFO L276 IsEmpty]: Start isEmpty. Operand has 2646 states, 1894 states have (on average 1.4181626187961984) internal successors, (2686), 1981 states have internal predecessors, (2686), 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) [2022-11-18 21:03:14,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-18 21:03:14,666 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:03:14,667 INFO L195 NwaCegarLoop]: 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] [2022-11-18 21:03:14,668 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:03:14,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:03:14,675 INFO L85 PathProgramCache]: Analyzing trace with hash -245138274, now seen corresponding path program 1 times [2022-11-18 21:03:14,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:03:14,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166171384] [2022-11-18 21:03:14,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:03:14,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:03:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:15,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:03:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:15,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 21:03:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:16,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:03:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:16,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 21:03:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:16,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 21:03:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:16,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 21:03:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:16,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 21:03:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:16,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 21:03:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:16,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:03:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:16,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 21:03:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:16,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 21:03:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:16,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-18 21:03:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:16,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 21:03:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:16,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:03:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:16,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-18 21:03:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:16,399 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-18 21:03:16,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:03:16,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166171384] [2022-11-18 21:03:16,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166171384] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:03:16,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:03:16,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 21:03:16,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447938581] [2022-11-18 21:03:16,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:03:16,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 21:03:16,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:03:16,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 21:03:16,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-18 21:03:16,457 INFO L87 Difference]: Start difference. First operand has 2646 states, 1894 states have (on average 1.4181626187961984) internal successors, (2686), 1981 states have internal predecessors, (2686), 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) [2022-11-18 21:04:15,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:04:15,376 INFO L93 Difference]: Finished difference Result 17044 states and 28974 transitions. [2022-11-18 21:04:15,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 21:04:15,386 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 [2022-11-18 21:04:15,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:04:15,544 INFO L225 Difference]: With dead ends: 17044 [2022-11-18 21:04:15,545 INFO L226 Difference]: Without dead ends: 14305 [2022-11-18 21:04:15,682 INFO L412 NwaCegarLoop]: 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 [2022-11-18 21:04:15,690 INFO L413 NwaCegarLoop]: 5713 mSDtfsCounter, 19686 mSDsluCounter, 17266 mSDsCounter, 0 mSdLazyCounter, 23318 mSolverCounterSat, 10323 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20949 SdHoareTripleChecker+Valid, 22979 SdHoareTripleChecker+Invalid, 33641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 10323 IncrementalHoareTripleChecker+Valid, 23318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.3s IncrementalHoareTripleChecker+Time [2022-11-18 21:04:15,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20949 Valid, 22979 Invalid, 33641 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [10323 Valid, 23318 Invalid, 0 Unknown, 0 Unchecked, 56.3s Time] [2022-11-18 21:04:15,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14305 states. [2022-11-18 21:04:16,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14305 to 11638. [2022-11-18 21:04:16,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11638 states, 8347 states have (on average 1.4092488319156584) internal successors, (11763), 8657 states have internal predecessors, (11763), 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) [2022-11-18 21:04:16,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11638 states to 11638 states and 18270 transitions. [2022-11-18 21:04:16,879 INFO L78 Accepts]: Start accepts. Automaton has 11638 states and 18270 transitions. Word has length 107 [2022-11-18 21:04:16,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:04:16,880 INFO L495 AbstractCegarLoop]: Abstraction has 11638 states and 18270 transitions. [2022-11-18 21:04:16,881 INFO L496 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) [2022-11-18 21:04:16,881 INFO L276 IsEmpty]: Start isEmpty. Operand 11638 states and 18270 transitions. [2022-11-18 21:04:16,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-18 21:04:16,885 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:04:16,886 INFO L195 NwaCegarLoop]: 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] [2022-11-18 21:04:16,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 21:04:16,886 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:04:16,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:04:16,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1348006380, now seen corresponding path program 1 times [2022-11-18 21:04:16,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:04:16,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352442921] [2022-11-18 21:04:16,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:04:16,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:04:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:04:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 21:04:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:04:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 21:04:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 21:04:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 21:04:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 21:04:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 21:04:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:04:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 21:04:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 21:04:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-18 21:04:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 21:04:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:04:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-18 21:04:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,883 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-18 21:04:17,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:04:17,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352442921] [2022-11-18 21:04:17,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352442921] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:04:17,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:04:17,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 21:04:17,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509415105] [2022-11-18 21:04:17,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:04:17,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 21:04:17,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:04:17,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 21:04:17,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-18 21:04:17,888 INFO L87 Difference]: Start difference. First operand 11638 states and 18270 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) [2022-11-18 21:05:07,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:05:07,033 INFO L93 Difference]: Finished difference Result 68638 states and 121126 transitions. [2022-11-18 21:05:07,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 21:05:07,034 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 [2022-11-18 21:05:07,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:05:07,776 INFO L225 Difference]: With dead ends: 68638 [2022-11-18 21:05:07,777 INFO L226 Difference]: Without dead ends: 57034 [2022-11-18 21:05:08,041 INFO L412 NwaCegarLoop]: 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 [2022-11-18 21:05:08,043 INFO L413 NwaCegarLoop]: 5712 mSDtfsCounter, 24036 mSDsluCounter, 13047 mSDsCounter, 0 mSdLazyCounter, 17618 mSolverCounterSat, 13866 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25292 SdHoareTripleChecker+Valid, 18759 SdHoareTripleChecker+Invalid, 31484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 13866 IncrementalHoareTripleChecker+Valid, 17618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.1s IncrementalHoareTripleChecker+Time [2022-11-18 21:05:08,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25292 Valid, 18759 Invalid, 31484 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [13866 Valid, 17618 Invalid, 0 Unknown, 0 Unchecked, 45.1s Time] [2022-11-18 21:05:08,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57034 states. [2022-11-18 21:05:12,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57034 to 48587. [2022-11-18 21:05:12,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48587 states, 34779 states have (on average 1.4081485954167745) internal successors, (48974), 36065 states have internal predecessors, (48974), 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) [2022-11-18 21:05:12,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48587 states to 48587 states and 81541 transitions. [2022-11-18 21:05:12,898 INFO L78 Accepts]: Start accepts. Automaton has 48587 states and 81541 transitions. Word has length 108 [2022-11-18 21:05:12,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:05:12,899 INFO L495 AbstractCegarLoop]: Abstraction has 48587 states and 81541 transitions. [2022-11-18 21:05:12,900 INFO L496 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) [2022-11-18 21:05:12,901 INFO L276 IsEmpty]: Start isEmpty. Operand 48587 states and 81541 transitions. [2022-11-18 21:05:12,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-18 21:05:12,913 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:05:12,913 INFO L195 NwaCegarLoop]: 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] [2022-11-18 21:05:12,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 21:05:12,914 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:05:12,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:05:12,915 INFO L85 PathProgramCache]: Analyzing trace with hash -461756378, now seen corresponding path program 1 times [2022-11-18 21:05:12,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:05:12,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598855996] [2022-11-18 21:05:12,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:05:12,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:05:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:13,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:05:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:13,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 21:05:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:13,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:05:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:13,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 21:05:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:13,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 21:05:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:13,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 21:05:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:13,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 21:05:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:13,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 21:05:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:13,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:05:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:13,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 21:05:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:13,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 21:05:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:13,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-18 21:05:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:13,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 21:05:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:13,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:05:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:13,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-18 21:05:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:13,889 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-18 21:05:13,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:05:13,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598855996] [2022-11-18 21:05:13,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598855996] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:05:13,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:05:13,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 21:05:13,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624807176] [2022-11-18 21:05:13,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:05:13,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 21:05:13,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:05:13,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 21:05:13,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-18 21:05:13,893 INFO L87 Difference]: Start difference. First operand 48587 states and 81541 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) [2022-11-18 21:06:13,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:06:13,798 INFO L93 Difference]: Finished difference Result 276467 states and 556683 transitions. [2022-11-18 21:06:13,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 21:06:13,798 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 [2022-11-18 21:06:13,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:06:16,829 INFO L225 Difference]: With dead ends: 276467 [2022-11-18 21:06:16,829 INFO L226 Difference]: Without dead ends: 227914 [2022-11-18 21:06:18,359 INFO L412 NwaCegarLoop]: 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 [2022-11-18 21:06:18,360 INFO L413 NwaCegarLoop]: 5498 mSDtfsCounter, 19820 mSDsluCounter, 17922 mSDsCounter, 0 mSdLazyCounter, 22226 mSolverCounterSat, 9033 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21077 SdHoareTripleChecker+Valid, 23420 SdHoareTripleChecker+Invalid, 31259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 9033 IncrementalHoareTripleChecker+Valid, 22226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.6s IncrementalHoareTripleChecker+Time [2022-11-18 21:06:18,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21077 Valid, 23420 Invalid, 31259 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [9033 Valid, 22226 Invalid, 0 Unknown, 0 Unchecked, 44.6s Time] [2022-11-18 21:06:18,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227914 states.